From 8b49e36656d7caf8a2f5c5537df2875ba7eacfee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Holeczek?= <lukasz@holeczek.pl>
Date: Sun, 22 Oct 2017 19:18:46 +0200
Subject: [PATCH] - update: Bootstrap version to v4.0.0-beta.2 - refactor:
 Remove old SCSS variables - refactor: Breadcrumb Menu styles - fix: External
 links issue - fix: Mobile sidebar-nav height issue

---
 React_Full_Project/package.json               |   5 +-
 .../scss/_bootstrap-variables.scss            |   1 +
 React_Full_Project/scss/bootstrap/_alert.scss |   7 +-
 React_Full_Project/scss/bootstrap/_badge.scss |   3 +-
 .../scss/bootstrap/_breadcrumb.scss           |   8 +-
 .../scss/bootstrap/_button-group.scss         |  57 +-
 .../scss/bootstrap/_buttons.scss              |  55 +-
 React_Full_Project/scss/bootstrap/_card.scss  |  80 +-
 .../scss/bootstrap/_carousel.scss             |   6 +
 React_Full_Project/scss/bootstrap/_close.scss |   4 +-
 .../scss/bootstrap/_custom-forms.scss         |  19 +-
 .../scss/bootstrap/_dropdown.scss             |  57 +-
 React_Full_Project/scss/bootstrap/_forms.scss |  56 +-
 .../scss/bootstrap/_functions.scss            |  16 +-
 React_Full_Project/scss/bootstrap/_grid.scss  |   1 -
 .../scss/bootstrap/_input-group.scss          |  24 +-
 .../scss/bootstrap/_mixins.scss               |   1 +
 React_Full_Project/scss/bootstrap/_modal.scss |  13 +-
 React_Full_Project/scss/bootstrap/_nav.scss   |  10 +-
 .../scss/bootstrap/_navbar.scss               |  32 +-
 .../scss/bootstrap/_pagination.scss           |   6 +-
 .../scss/bootstrap/_popover.scss              |  33 +-
 React_Full_Project/scss/bootstrap/_print.scss |   5 +-
 .../scss/bootstrap/_progress.scss             |  10 +-
 .../scss/bootstrap/_reboot.scss               |  55 +-
 React_Full_Project/scss/bootstrap/_root.scss  |  19 +
 .../scss/bootstrap/_tables.scss               |  70 +-
 .../scss/bootstrap/_tooltip.scss              |  12 +-
 .../scss/bootstrap/_transitions.scss          |   2 +
 React_Full_Project/scss/bootstrap/_type.scss  |   2 +
 .../scss/bootstrap/_variables.scss            | 931 +++++++++---------
 .../scss/bootstrap/bootstrap-grid.scss        |  16 +-
 .../scss/bootstrap/bootstrap-reboot.scss      |  11 +-
 .../scss/bootstrap/bootstrap.scss             |   3 +-
 .../scss/bootstrap/mixins/_alert.scss         |   2 +-
 .../bootstrap/mixins/_background-variant.scss |   8 +
 .../scss/bootstrap/mixins/_badge.scss         |   4 +-
 .../scss/bootstrap/mixins/_breakpoints.scss   |  22 +-
 .../scss/bootstrap/mixins/_buttons.scss       |  43 +-
 .../scss/bootstrap/mixins/_caret.scss         |  35 +
 .../scss/bootstrap/mixins/_float.scss         |   2 +
 .../scss/bootstrap/mixins/_forms.scss         |  35 +-
 .../scss/bootstrap/mixins/_gradients.scss     |   8 +
 .../bootstrap/mixins/_grid-framework.scss     |  15 +-
 .../scss/bootstrap/mixins/_grid.scss          |  15 +-
 .../scss/bootstrap/mixins/_hover.scss         |  25 +-
 .../scss/bootstrap/mixins/_image.scss         |   6 +-
 .../scss/bootstrap/mixins/_list-group.scss    |   2 -
 .../scss/bootstrap/mixins/_navbar-align.scss  |   3 +-
 .../scss/bootstrap/mixins/_reset-text.scss    |   3 +-
 .../scss/bootstrap/mixins/_screen-reader.scss |   4 +-
 .../scss/bootstrap/mixins/_text-emphasis.scss |   2 +
 .../scss/bootstrap/mixins/_visibility.scss    |   2 +
 .../scss/bootstrap/utilities/_align.scss      |   2 +
 .../scss/bootstrap/utilities/_background.scss |  19 +-
 .../scss/bootstrap/utilities/_borders.scss    |   8 +-
 .../scss/bootstrap/utilities/_display.scss    |   3 +
 .../scss/bootstrap/utilities/_flex.scss       |   2 +
 .../scss/bootstrap/utilities/_position.scss   |  13 +-
 .../scss/bootstrap/utilities/_sizing.scss     |   2 +
 .../scss/bootstrap/utilities/_spacing.scss    |  38 +-
 .../scss/bootstrap/utilities/_text.scss       |  11 +-
 .../scss/core/_breadcrumb-menu.scss           |  12 +-
 React_Full_Project/scss/core/_breadcrumb.scss |   2 -
 React_Full_Project/scss/core/_layout.scss     |   2 +-
 React_Full_Project/scss/core/_variables.scss  |   2 -
 React_Full_Project/scss/style.scss            |   2 +-
 .../src/components/Aside/package.json         |   2 +-
 .../src/components/Breadcrumb/package.json    |   2 +-
 .../src/components/Footer/package.json        |   2 +-
 .../src/components/Header/HeaderDropdown.js   |   5 +-
 .../src/components/Header/package.json        |   2 +-
 .../src/components/Sidebar/Sidebar.js         |   6 +-
 .../src/components/Sidebar/package.json       |   2 +-
 .../src/components/SidebarFooter/package.json |   2 +-
 .../src/components/SidebarForm/package.json   |   2 +-
 .../src/components/SidebarHeader/package.json |   2 +-
 .../components/SidebarMinimizer/package.json  |   2 +-
 .../src/containers/Full/package.json          |   2 +-
 .../src/views/Charts/package.json             |   2 +-
 .../src/views/Components/Buttons/package.json |   2 +-
 .../src/views/Components/Cards/package.json   |   2 +-
 .../src/views/Components/Forms/package.json   |   2 +-
 .../src/views/Components/Modals/package.json  |   2 +-
 .../Components/SocialButtons/package.json     |   2 +-
 .../src/views/Components/Switches/Switches.js |   4 +-
 .../views/Components/Switches/package.json    |   2 +-
 .../src/views/Components/Tables/package.json  |   2 +-
 .../src/views/Components/Tabs/package.json    |   2 +-
 .../src/views/Dashboard/Dashboard.js          |   2 +-
 .../src/views/Dashboard/package.json          |   2 +-
 .../src/views/Icons/FontAwesome/package.json  |   2 +-
 .../views/Icons/SimpleLineIcons/package.json  |   2 +-
 .../src/views/Pages/Login/Login.js            |   2 +-
 .../src/views/Pages/Login/package.json        |   2 +-
 .../src/views/Pages/Page404/package.json      |   2 +-
 .../src/views/Pages/Page500/package.json      |   2 +-
 .../src/views/Pages/Register/package.json     |   2 +-
 .../src/views/Widgets/Widgets.js              |   2 +-
 .../src/views/Widgets/package.json            |   2 +-
 React_Starter/package.json                    |   3 +-
 React_Starter/scss/_bootstrap-variables.scss  |   1 +
 React_Starter/scss/bootstrap/_alert.scss      |   7 +-
 React_Starter/scss/bootstrap/_badge.scss      |   3 +-
 React_Starter/scss/bootstrap/_breadcrumb.scss |   8 +-
 .../scss/bootstrap/_button-group.scss         |  57 +-
 React_Starter/scss/bootstrap/_buttons.scss    |  55 +-
 React_Starter/scss/bootstrap/_card.scss       |  80 +-
 React_Starter/scss/bootstrap/_carousel.scss   |   6 +
 React_Starter/scss/bootstrap/_close.scss      |   4 +-
 .../scss/bootstrap/_custom-forms.scss         |  19 +-
 React_Starter/scss/bootstrap/_dropdown.scss   |  57 +-
 React_Starter/scss/bootstrap/_forms.scss      |  56 +-
 React_Starter/scss/bootstrap/_functions.scss  |  16 +-
 React_Starter/scss/bootstrap/_grid.scss       |   1 -
 .../scss/bootstrap/_input-group.scss          |  24 +-
 React_Starter/scss/bootstrap/_mixins.scss     |   1 +
 React_Starter/scss/bootstrap/_modal.scss      |  13 +-
 React_Starter/scss/bootstrap/_nav.scss        |  10 +-
 React_Starter/scss/bootstrap/_navbar.scss     |  32 +-
 React_Starter/scss/bootstrap/_pagination.scss |   6 +-
 React_Starter/scss/bootstrap/_popover.scss    |  33 +-
 React_Starter/scss/bootstrap/_print.scss      |   5 +-
 React_Starter/scss/bootstrap/_progress.scss   |  10 +-
 React_Starter/scss/bootstrap/_reboot.scss     |  55 +-
 React_Starter/scss/bootstrap/_root.scss       |  19 +
 React_Starter/scss/bootstrap/_tables.scss     |  70 +-
 React_Starter/scss/bootstrap/_tooltip.scss    |  12 +-
 .../scss/bootstrap/_transitions.scss          |   2 +
 React_Starter/scss/bootstrap/_type.scss       |   2 +
 React_Starter/scss/bootstrap/_variables.scss  | 931 +++++++++---------
 .../scss/bootstrap/bootstrap-grid.scss        |  16 +-
 .../scss/bootstrap/bootstrap-reboot.scss      |  11 +-
 React_Starter/scss/bootstrap/bootstrap.scss   |   3 +-
 .../scss/bootstrap/mixins/_alert.scss         |   2 +-
 .../bootstrap/mixins/_background-variant.scss |   8 +
 .../scss/bootstrap/mixins/_badge.scss         |   4 +-
 .../scss/bootstrap/mixins/_breakpoints.scss   |  22 +-
 .../scss/bootstrap/mixins/_buttons.scss       |  43 +-
 .../scss/bootstrap/mixins/_caret.scss         |  35 +
 .../scss/bootstrap/mixins/_float.scss         |   2 +
 .../scss/bootstrap/mixins/_forms.scss         |  35 +-
 .../scss/bootstrap/mixins/_gradients.scss     |   8 +
 .../bootstrap/mixins/_grid-framework.scss     |  15 +-
 .../scss/bootstrap/mixins/_grid.scss          |  15 +-
 .../scss/bootstrap/mixins/_hover.scss         |  25 +-
 .../scss/bootstrap/mixins/_image.scss         |   6 +-
 .../scss/bootstrap/mixins/_list-group.scss    |   2 -
 .../scss/bootstrap/mixins/_navbar-align.scss  |   3 +-
 .../scss/bootstrap/mixins/_reset-text.scss    |   3 +-
 .../scss/bootstrap/mixins/_screen-reader.scss |   4 +-
 .../scss/bootstrap/mixins/_text-emphasis.scss |   2 +
 .../scss/bootstrap/mixins/_visibility.scss    |   2 +
 .../scss/bootstrap/utilities/_align.scss      |   2 +
 .../scss/bootstrap/utilities/_background.scss |  19 +-
 .../scss/bootstrap/utilities/_borders.scss    |   8 +-
 .../scss/bootstrap/utilities/_display.scss    |   3 +
 .../scss/bootstrap/utilities/_flex.scss       |   2 +
 .../scss/bootstrap/utilities/_position.scss   |  13 +-
 .../scss/bootstrap/utilities/_sizing.scss     |   2 +
 .../scss/bootstrap/utilities/_spacing.scss    |  38 +-
 .../scss/bootstrap/utilities/_text.scss       |  11 +-
 React_Starter/scss/core/_breadcrumb-menu.scss |  12 +-
 React_Starter/scss/core/_breadcrumb.scss      |   2 -
 React_Starter/scss/core/_layout.scss          |   2 +-
 React_Starter/scss/core/_variables.scss       |   2 -
 React_Starter/scss/style.scss                 |   2 +-
 .../src/components/Aside/package.json         |   2 +-
 .../src/components/Breadcrumb/package.json    |   2 +-
 .../src/components/Footer/package.json        |   2 +-
 .../src/components/Header/package.json        |   2 +-
 .../src/components/Sidebar/Sidebar.js         |   7 +-
 .../src/components/Sidebar/package.json       |   2 +-
 .../src/components/SidebarFooter/package.json |   2 +-
 .../src/components/SidebarForm/package.json   |   2 +-
 .../src/components/SidebarHeader/package.json |   2 +-
 .../components/SidebarMinimizer/package.json  |   2 +-
 .../src/containers/Full/package.json          |   2 +-
 .../src/views/Dashboard/package.json          |   2 +-
 package.json                                  |   2 +-
 180 files changed, 2284 insertions(+), 1788 deletions(-)
 create mode 100755 React_Full_Project/scss/bootstrap/_root.scss
 create mode 100755 React_Full_Project/scss/bootstrap/mixins/_caret.scss
 create mode 100755 React_Starter/scss/bootstrap/_root.scss
 create mode 100755 React_Starter/scss/bootstrap/mixins/_caret.scss

diff --git a/React_Full_Project/package.json b/React_Full_Project/package.json
index 38fd5e0..8af750b 100644
--- a/React_Full_Project/package.json
+++ b/React_Full_Project/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coreui/react",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "",
   "author": "Łukasz Holeczek <lukasz@holeczek.pl>",
   "url": "http://coreui.io",
@@ -32,11 +32,10 @@
     "webpack-dev-server": "^2.9.2"
   },
   "dependencies": {
-    "bootstrap": "^4.0.0-beta",
+    "bootstrap": "^4.0.0-beta.2",
     "chart.js": "2.7.0",
     "font-awesome": "^4.7.0",
     "history": "4.7.2",
-    "is-url-external": "^1.0.3",
     "react": "^16.0.0",
     "react-chartjs-2": "2.6.4",
     "react-dom": "^16.0.0",
diff --git a/React_Full_Project/scss/_bootstrap-variables.scss b/React_Full_Project/scss/_bootstrap-variables.scss
index d05c987..9a9c272 100644
--- a/React_Full_Project/scss/_bootstrap-variables.scss
+++ b/React_Full_Project/scss/_bootstrap-variables.scss
@@ -76,6 +76,7 @@ $font-size-base:                  0.875rem;
 // Breadcrumbs
 
 $breadcrumb-bg:                   #fff;
+$breadcrumb-margin-bottom:        1.5rem;
 
 // Cards
 
diff --git a/React_Full_Project/scss/bootstrap/_alert.scss b/React_Full_Project/scss/bootstrap/_alert.scss
index 3dfd13f..66fba24 100755
--- a/React_Full_Project/scss/bootstrap/_alert.scss
+++ b/React_Full_Project/scss/bootstrap/_alert.scss
@@ -3,6 +3,7 @@
 //
 
 .alert {
+  position: relative;
   padding: $alert-padding-y $alert-padding-x;
   margin-bottom: $alert-margin-bottom;
   border: $alert-border-width solid transparent;
@@ -28,9 +29,9 @@
 .alert-dismissible {
   // Adjust close link position
   .close {
-    position: relative;
-    top: -$alert-padding-y;
-    right: -$alert-padding-x;
+    position: absolute;
+    top: 0;
+    right: 0;
     padding: $alert-padding-y $alert-padding-x;
     color: inherit;
   }
diff --git a/React_Full_Project/scss/bootstrap/_badge.scss b/React_Full_Project/scss/bootstrap/_badge.scss
index 8a76263..b87a1b0 100755
--- a/React_Full_Project/scss/bootstrap/_badge.scss
+++ b/React_Full_Project/scss/bootstrap/_badge.scss
@@ -9,11 +9,10 @@
   font-size: $badge-font-size;
   font-weight: $badge-font-weight;
   line-height: 1;
-  color: $badge-color;
   text-align: center;
   white-space: nowrap;
   vertical-align: baseline;
-  @include border-radius();
+  @include border-radius($badge-border-radius);
 
   // Empty badges collapse automatically
   &:empty {
diff --git a/React_Full_Project/scss/bootstrap/_breadcrumb.scss b/React_Full_Project/scss/bootstrap/_breadcrumb.scss
index 2bc0e20..25b9d85 100755
--- a/React_Full_Project/scss/bootstrap/_breadcrumb.scss
+++ b/React_Full_Project/scss/bootstrap/_breadcrumb.scss
@@ -1,15 +1,14 @@
 .breadcrumb {
+  display: flex;
+  flex-wrap: wrap;
   padding: $breadcrumb-padding-y $breadcrumb-padding-x;
-  margin-bottom: 1rem;
+  margin-bottom: $breadcrumb-margin-bottom;
   list-style: none;
   background-color: $breadcrumb-bg;
   @include border-radius($border-radius);
-  @include clearfix;
 }
 
 .breadcrumb-item {
-  float: left;
-
   // The separator between breadcrumbs (by default, a forward-slash: "/")
   + .breadcrumb-item::before {
     display: inline-block; // Suppress underlining of the separator in modern browsers
@@ -28,6 +27,7 @@
   + .breadcrumb-item:hover::before {
     text-decoration: underline;
   }
+  // stylelint-disable-next-line no-duplicate-selectors
   + .breadcrumb-item:hover::before {
     text-decoration: none;
   }
diff --git a/React_Full_Project/scss/bootstrap/_button-group.scss b/React_Full_Project/scss/bootstrap/_button-group.scss
index 30a14d8..1a373f3 100755
--- a/React_Full_Project/scss/bootstrap/_button-group.scss
+++ b/React_Full_Project/scss/bootstrap/_button-group.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable selector-no-qualifying-type
 
 // Make the div behave like a button
 .btn-group,
@@ -10,7 +10,6 @@
   > .btn {
     position: relative;
     flex: 0 1 auto;
-    margin-bottom: 0;
 
     // Bring the hover, focused, and "active" buttons to the front to overlay
     // the borders properly
@@ -48,7 +47,8 @@
   border-radius: 0;
 }
 
-// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
+// Set corners individual because sometimes a single button can be in a .btn-group
+// and we need :first-child and :last-child to both match
 .btn-group > .btn:first-child {
   margin-left: 0;
 
@@ -56,25 +56,30 @@
     @include border-right-radius(0);
   }
 }
-// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
+// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu
+// immediately after it
 .btn-group > .btn:last-child:not(:first-child),
 .btn-group > .dropdown-toggle:not(:first-child) {
   @include border-left-radius(0);
 }
 
-// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
+// Custom edits for including btn-groups within btn-groups (useful for including
+// dropdown buttons within a btn-group)
 .btn-group > .btn-group {
   float: left;
 }
+
 .btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
   border-radius: 0;
 }
+
 .btn-group > .btn-group:first-child:not(:last-child) {
   > .btn:last-child,
   > .dropdown-toggle {
     @include border-right-radius(0);
   }
 }
+
 .btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
   @include border-left-radius(0);
 }
@@ -129,7 +134,6 @@
 //
 
 .btn-group-vertical {
-  display: inline-flex;
   flex-direction: column;
   align-items: flex-start;
   justify-content: center;
@@ -146,31 +150,36 @@
     margin-top: -$input-btn-border-width;
     margin-left: 0;
   }
-}
 
-.btn-group-vertical > .btn {
-  &:not(:first-child):not(:last-child) {
+  > .btn {
+    &:not(:first-child):not(:last-child) {
+      border-radius: 0;
+    }
+
+    &:first-child:not(:last-child) {
+      @include border-bottom-radius(0);
+    }
+
+    &:last-child:not(:first-child) {
+      @include border-top-radius(0);
+    }
+  }
+
+  > .btn-group:not(:first-child):not(:last-child) > .btn {
     border-radius: 0;
   }
-  &:first-child:not(:last-child) {
-    @include border-bottom-radius(0);
+
+  > .btn-group:first-child:not(:last-child) {
+    > .btn:last-child,
+    > .dropdown-toggle {
+      @include border-bottom-radius(0);
+    }
   }
-  &:last-child:not(:first-child) {
+
+  > .btn-group:last-child:not(:first-child) > .btn:first-child {
     @include border-top-radius(0);
   }
 }
-.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group-vertical > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
-    @include border-bottom-radius(0);
-  }
-}
-.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  @include border-top-radius(0);
-}
 
 
 // Checkbox and radio options
diff --git a/React_Full_Project/scss/bootstrap/_buttons.scss b/React_Full_Project/scss/bootstrap/_buttons.scss
index 607f24a..7cd2783 100755
--- a/React_Full_Project/scss/bootstrap/_buttons.scss
+++ b/React_Full_Project/scss/bootstrap/_buttons.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable selector-no-qualifying-type
 
 //
 // Base styles
@@ -22,7 +22,7 @@
   &:focus,
   &.focus {
     outline: 0;
-    box-shadow: $btn-focus-box-shadow;
+    box-shadow: $input-btn-focus-box-shadow;
   }
 
   // Disabled comes first so active can properly restyle
@@ -32,10 +32,10 @@
     @include box-shadow(none);
   }
 
-  &:active,
-  &.active {
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active {
     background-image: none;
-    @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    @include box-shadow($input-btn-focus-box-shadow, $btn-active-box-shadow);
   }
 }
 
@@ -58,7 +58,11 @@ fieldset[disabled] a.btn {
 
 @each $color, $value in $theme-colors {
   .btn-outline-#{$color} {
-    @include button-outline-variant($value, #fff);
+    @if $color == "light" {
+      @include button-outline-variant($value, $gray-900);
+    } @else {
+      @include button-outline-variant($value, $white);
+    }
   }
 }
 
@@ -71,36 +75,27 @@ fieldset[disabled] a.btn {
 .btn-link {
   font-weight: $font-weight-normal;
   color: $link-color;
-  border-radius: 0;
+  background-color: transparent;
 
-  &,
-  &:active,
-  &.active,
-  &:disabled {
-    background-color: transparent;
-    @include box-shadow(none);
-  }
-  &,
-  &:focus,
-  &:active {
-    border-color: transparent;
-    box-shadow: none;
-  }
   @include hover {
-    border-color: transparent;
-  }
-  @include hover-focus {
     color: $link-hover-color;
     text-decoration: $link-hover-decoration;
     background-color: transparent;
+    border-color: transparent;
   }
-  &:disabled {
-    color: $btn-link-disabled-color;
 
-    @include hover-focus {
-      text-decoration: none;
-    }
+  &:focus,
+  &.focus {
+    border-color: transparent;
+    box-shadow: none;
   }
+
+  &:disabled,
+  &.disabled {
+    color: $btn-link-disabled-color;
+  }
+
+  // No need for an active state here
 }
 
 
@@ -109,11 +104,11 @@ fieldset[disabled] a.btn {
 //
 
 .btn-lg {
-  @include button-size($input-btn-padding-y-lg, $input-btn-padding-x-lg, $font-size-lg, $line-height-lg, $btn-border-radius-lg);
+  @include button-size($input-btn-padding-y-lg, $input-btn-padding-x-lg, $font-size-lg, $input-btn-line-height-lg, $btn-border-radius-lg);
 }
 
 .btn-sm {
-  @include button-size($input-btn-padding-y-sm, $input-btn-padding-x-sm, $font-size-sm, $line-height-sm, $btn-border-radius-sm);
+  @include button-size($input-btn-padding-y-sm, $input-btn-padding-x-sm, $font-size-sm, $input-btn-line-height-sm, $btn-border-radius-sm);
 }
 
 
diff --git a/React_Full_Project/scss/bootstrap/_card.scss b/React_Full_Project/scss/bootstrap/_card.scss
index 1ab85a4..a739f19 100755
--- a/React_Full_Project/scss/bootstrap/_card.scss
+++ b/React_Full_Project/scss/bootstrap/_card.scss
@@ -12,6 +12,23 @@
   background-clip: border-box;
   border: $card-border-width solid $card-border-color;
   @include border-radius($card-border-radius);
+
+  > hr {
+    margin-right: 0;
+    margin-left: 0;
+  }
+
+  > .list-group:first-child {
+    .list-group-item:first-child {
+      @include border-top-radius($card-border-radius);
+    }
+  }
+
+  > .list-group:last-child {
+    .list-group-item:last-child {
+      @include border-bottom-radius($card-border-radius);
+    }
+  }
 }
 
 .card-body {
@@ -44,21 +61,6 @@
   }
 }
 
-.card {
-  > .list-group:first-child {
-    .list-group-item:first-child {
-      @include border-top-radius($card-border-radius);
-    }
-  }
-
-  > .list-group:last-child {
-    .list-group-item:last-child {
-      @include border-bottom-radius($card-border-radius);
-    }
-  }
-}
-
-
 //
 // Optional textual caps
 //
@@ -72,6 +74,12 @@
   &:first-child {
     @include border-radius($card-inner-border-radius $card-inner-border-radius 0 0);
   }
+
+  + .list-group {
+    .list-group-item:first-child {
+      border-top: 0;
+    }
+  }
 }
 
 .card-footer {
@@ -130,18 +138,26 @@
 
 // Card deck
 
-@include media-breakpoint-up(sm) {
-  .card-deck {
-    display: flex;
+.card-deck {
+  display: flex;
+  flex-direction: column;
+
+  .card {
+    margin-bottom: $card-deck-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     flex-flow: row wrap;
     margin-right: -$card-deck-margin;
     margin-left: -$card-deck-margin;
 
     .card {
       display: flex;
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#4-flex-shorthand-declarations-with-unitless-flex-basis-values-are-ignored
       flex: 1 0 0%;
       flex-direction: column;
       margin-right: $card-deck-margin;
+      margin-bottom: 0; // Override the default
       margin-left: $card-deck-margin;
     }
   }
@@ -152,13 +168,21 @@
 // Card groups
 //
 
-@include media-breakpoint-up(sm) {
-  .card-group {
-    display: flex;
+.card-group {
+  display: flex;
+  flex-direction: column;
+
+  .card {
+    margin-bottom: $card-group-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     flex-flow: row wrap;
 
     .card {
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#4-flex-shorthand-declarations-with-unitless-flex-basis-values-are-ignored
       flex: 1 0 0%;
+      margin-bottom: 0;
 
       + .card {
         margin-left: 0;
@@ -177,6 +201,7 @@
             border-bottom-right-radius: 0;
           }
         }
+
         &:last-child {
           @include border-left-radius(0);
 
@@ -188,7 +213,18 @@
           }
         }
 
-        &:not(:first-child):not(:last-child) {
+        &:only-child {
+          @include border-radius($card-border-radius);
+
+          .card-img-top {
+            @include border-top-radius($card-border-radius);
+          }
+          .card-img-bottom {
+            @include border-bottom-radius($card-border-radius);
+          }
+        }
+
+        &:not(:first-child):not(:last-child):not(:only-child) {
           border-radius: 0;
 
           .card-img-top,
diff --git a/React_Full_Project/scss/bootstrap/_carousel.scss b/React_Full_Project/scss/bootstrap/_carousel.scss
index 8aa14ac..c3c2073 100755
--- a/React_Full_Project/scss/bootstrap/_carousel.scss
+++ b/React_Full_Project/scss/bootstrap/_carousel.scss
@@ -90,9 +90,15 @@
 }
 .carousel-control-prev {
   left: 0;
+  @if $enable-gradients {
+    background: linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 .carousel-control-next {
   right: 0;
+  @if $enable-gradients {
+    background: linear-gradient(270deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 
 // Icons for within
diff --git a/React_Full_Project/scss/bootstrap/_close.scss b/React_Full_Project/scss/bootstrap/_close.scss
index f181490..897d486 100755
--- a/React_Full_Project/scss/bootstrap/_close.scss
+++ b/React_Full_Project/scss/bootstrap/_close.scss
@@ -19,11 +19,11 @@
 // If you want the anchor version, it requires `href="#"`.
 // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
 
-// scss-lint:disable QualifyingElement
+// stylelint-disable property-no-vendor-prefix, selector-no-qualifying-type
 button.close {
   padding: 0;
   background: transparent;
   border: 0;
   -webkit-appearance: none;
 }
-// scss-lint:enable QualifyingElement
+// stylelint-enable
diff --git a/React_Full_Project/scss/bootstrap/_custom-forms.scss b/React_Full_Project/scss/bootstrap/_custom-forms.scss
index d1fbf95..a521dbd 100755
--- a/React_Full_Project/scss/bootstrap/_custom-forms.scss
+++ b/React_Full_Project/scss/bootstrap/_custom-forms.scss
@@ -1,5 +1,3 @@
-// scss-lint:disable PropertyCount, VendorPrefix
-
 // Embedded icons from Open Iconic.
 // Released under MIT and copyright 2014 Waybury.
 // https://useiconic.com/open
@@ -24,7 +22,7 @@
 
   &:checked ~ .custom-control-indicator {
     color: $custom-control-indicator-checked-color;
-    background-color: $custom-control-indicator-checked-bg;
+    @include gradient-bg($custom-control-indicator-checked-bg);
     @include box-shadow($custom-control-indicator-checked-box-shadow);
   }
 
@@ -35,7 +33,7 @@
 
   &:active ~ .custom-control-indicator {
     color: $custom-control-indicator-active-color;
-    background-color: $custom-control-indicator-active-bg;
+    @include gradient-bg($custom-control-indicator-active-bg);
     @include box-shadow($custom-control-indicator-active-box-shadow);
   }
 
@@ -164,6 +162,11 @@
     }
   }
 
+  &[multiple] {
+    height: auto;
+    background-image: none;
+  }
+
   &:disabled {
     color: $custom-select-disabled-color;
     background-color: $custom-select-disabled-bg;
@@ -203,7 +206,7 @@
   opacity: 0;
 
   &:focus ~ .custom-file-control {
-    @include box-shadow($custom-file-focus-box-shadow);
+    box-shadow: $custom-file-focus-box-shadow;
   }
 }
 
@@ -214,7 +217,7 @@
   left: 0;
   z-index: 5;
   height: $custom-file-height;
-  padding: $custom-file-padding-x $custom-file-padding-y;
+  padding: $custom-file-padding-y $custom-file-padding-x;
   line-height: $custom-file-line-height;
   color: $custom-file-color;
   pointer-events: none;
@@ -238,10 +241,10 @@
     z-index: 6;
     display: block;
     height: $custom-file-height;
-    padding: $custom-file-padding-x $custom-file-padding-y;
+    padding: $custom-file-padding-y $custom-file-padding-x;
     line-height: $custom-file-line-height;
     color: $custom-file-button-color;
-    background-color: $custom-file-button-bg;
+    @include gradient-bg($custom-file-button-bg);
     border: $custom-file-border-width solid $custom-file-border-color;
     @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
   }
diff --git a/React_Full_Project/scss/bootstrap/_dropdown.scss b/React_Full_Project/scss/bootstrap/_dropdown.scss
index 05e8b16..daa867a 100755
--- a/React_Full_Project/scss/bootstrap/_dropdown.scss
+++ b/React_Full_Project/scss/bootstrap/_dropdown.scss
@@ -6,37 +6,7 @@
 
 .dropdown-toggle {
   // Generate the caret automatically
-  &::after {
-    display: inline-block;
-    width: 0;
-    height: 0;
-    margin-left: $caret-width * .85;
-    vertical-align: $caret-width * .85;
-    content: "";
-    border-top: $caret-width solid;
-    border-right: $caret-width solid transparent;
-    border-left: $caret-width solid transparent;
-  }
-
-  &:empty::after {
-    margin-left: 0;
-  }
-}
-
-// Allow for dropdowns to go bottom up (aka, dropup-menu)
-// Just add .dropup after the standard .dropdown class and you're set.
-.dropup {
-  .dropdown-menu {
-    margin-top: 0;
-    margin-bottom: $dropdown-spacer;
-  }
-
-  .dropdown-toggle {
-    &::after {
-      border-top: 0;
-      border-bottom: $caret-width solid;
-    }
-  }
+  @include caret;
 }
 
 // The dropdown menu
@@ -61,6 +31,19 @@
   @include box-shadow($dropdown-box-shadow);
 }
 
+// Allow for dropdowns to go bottom up (aka, dropup-menu)
+// Just add .dropup after the standard .dropdown class and you're set.
+.dropup {
+  .dropdown-menu {
+    margin-top: 0;
+    margin-bottom: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(up);
+  }
+}
+
 // Dividers (basically an `<hr>`) within the dropdown
 .dropdown-divider {
   @include nav-divider($dropdown-divider-bg);
@@ -84,14 +67,14 @@
   @include hover-focus {
     color: $dropdown-link-hover-color;
     text-decoration: none;
-    background-color: $dropdown-link-hover-bg;
+    @include gradient-bg($dropdown-link-hover-bg);
   }
 
   &.active,
   &:active {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    background-color: $dropdown-link-active-bg;
+    @include gradient-bg($dropdown-link-active-bg);
   }
 
   &.disabled,
@@ -105,14 +88,6 @@
   }
 }
 
-// Open state for the dropdown
-.show {
-  // Remove the outline when :focus is triggered
-  > a {
-    outline: 0;
-  }
-}
-
 .dropdown-menu.show {
   display: block;
 }
diff --git a/React_Full_Project/scss/bootstrap/_forms.scss b/React_Full_Project/scss/bootstrap/_forms.scss
index 519554b..80bc7f3 100755
--- a/React_Full_Project/scss/bootstrap/_forms.scss
+++ b/React_Full_Project/scss/bootstrap/_forms.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement, VendorPrefix
+// stylelint-disable selector-no-qualifying-type
 
 //
 // Textual form controls
@@ -7,8 +7,6 @@
 .form-control {
   display: block;
   width: 100%;
-  // // Make inputs at least the height of their button counterpart (base line-height + padding + border)
-  // height: $input-height;
   padding: $input-btn-padding-y $input-btn-padding-x;
   font-size: $font-size-base;
   line-height: $input-btn-line-height;
@@ -90,21 +88,24 @@ select.form-control {
 // For use with horizontal and inline forms, when you need the label text to
 // align with the form controls.
 .col-form-label {
-  padding-top: calc(#{$input-btn-padding-y} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y} + #{$input-btn-border-width});
   margin-bottom: 0; // Override the `<label>` default
+  line-height: $input-btn-line-height;
 }
 
 .col-form-label-lg {
-  padding-top: calc(#{$input-btn-padding-y-lg} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y-lg} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y-lg} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y-lg} + #{$input-btn-border-width});
   font-size: $font-size-lg;
+  line-height: $input-btn-line-height-lg;
 }
 
 .col-form-label-sm {
-  padding-top: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y-sm} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y-sm} + #{$input-btn-border-width});
   font-size: $font-size-sm;
+  line-height: $input-btn-line-height-sm;
 }
 
 
@@ -132,6 +133,7 @@ select.form-control {
   padding-bottom: $input-btn-padding-y;
   margin-bottom: 0; // match inputs if this class comes on inputs with default margins
   line-height: $input-btn-line-height;
+  background-color: transparent;
   border: solid transparent;
   border-width: $input-btn-border-width 0;
 
@@ -236,23 +238,16 @@ select.form-control-lg {
   position: absolute;
   margin-top: $form-check-input-margin-y;
   margin-left: -$form-check-input-gutter;
-
-  &:only-child {
-    position: static;
-  }
 }
 
 // Radios and checkboxes on same line
 .form-check-inline {
   display: inline-block;
+  margin-right: $form-check-inline-margin-x;
 
   .form-check-label {
     vertical-align: middle;
   }
-
-  + .form-check-inline {
-    margin-left: $form-check-inline-margin-x;
-  }
 }
 
 
@@ -263,28 +258,6 @@ select.form-control-lg {
 // pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
 // server side validation.
 
-.invalid-feedback {
-  display: none;
-  margin-top: .25rem;
-  font-size: .875rem;
-  color: $form-feedback-invalid-color;
-}
-
-.invalid-tooltip {
-  position: absolute;
-  top: 100%;
-  z-index: 5;
-  display: none;
-  width: 250px;
-  padding: .5rem;
-  margin-top: .1rem;
-  font-size: .875rem;
-  line-height: 1;
-  color: #fff;
-  background-color: rgba($form-feedback-invalid-color,.8);
-  border-radius: .2rem;
-}
-
 @include form-validation-state("valid", $form-feedback-valid-color);
 @include form-validation-state("invalid", $form-feedback-invalid-color);
 
@@ -343,11 +316,6 @@ select.form-control-lg {
       width: auto;
     }
 
-    .form-control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
     // Remove default margin on radios/checkboxes that were used for stacking, and
     // then undo the floating of radios and checkboxes to match.
     .form-check {
diff --git a/React_Full_Project/scss/bootstrap/_functions.scss b/React_Full_Project/scss/bootstrap/_functions.scss
index 6c0601c..43210f7 100755
--- a/React_Full_Project/scss/bootstrap/_functions.scss
+++ b/React_Full_Project/scss/bootstrap/_functions.scss
@@ -49,7 +49,7 @@
 }
 
 // Color contrast
-@mixin color-yiq($color) {
+@function color-yiq($color) {
   $r: red($color);
   $g: green($color);
   $b: blue($color);
@@ -57,9 +57,9 @@
   $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
 
   @if ($yiq >= 150) {
-    color: #111;
+    @return #111;
   } @else {
-    color: #fff;
+    @return #fff;
   }
 }
 
@@ -72,7 +72,7 @@
   @return map-get($theme-colors, $key);
 }
 
-@function grayscale($key: "100") {
+@function gray($key: "100") {
   @return map-get($grays, $key);
 }
 
@@ -80,11 +80,7 @@
 @function theme-color-level($color-name: "primary", $level: 0) {
   $color: theme-color($color-name);
   $color-base: if($level > 0, #000, #fff);
+  $level: abs($level);
 
-  @if $level < 0 {
-    // Lighter values need a quick double negative for the Sass math to work
-    @return mix($color-base, $color, $level * -1 * $theme-color-interval);
-  } @else {
-    @return mix($color-base, $color, $level * $theme-color-interval);
-  }
+  @return mix($color-base, $color, $level * $theme-color-interval);
 }
diff --git a/React_Full_Project/scss/bootstrap/_grid.scss b/React_Full_Project/scss/bootstrap/_grid.scss
index 9ab9ae0..a227515 100755
--- a/React_Full_Project/scss/bootstrap/_grid.scss
+++ b/React_Full_Project/scss/bootstrap/_grid.scss
@@ -16,7 +16,6 @@
 
 @if $enable-grid-classes {
   .container-fluid {
-    width: 100%;
     @include make-container();
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/_input-group.scss b/React_Full_Project/scss/bootstrap/_input-group.scss
index 0b668bf..a1d16e3 100755
--- a/React_Full_Project/scss/bootstrap/_input-group.scss
+++ b/React_Full_Project/scss/bootstrap/_input-group.scss
@@ -1,3 +1,5 @@
+// stylelint-disable selector-no-qualifying-type
+
 //
 // Base styles
 //
@@ -5,6 +7,7 @@
 .input-group {
   position: relative;
   display: flex;
+  align-items: stretch;
   width: 100%;
 
   .form-control {
@@ -28,10 +31,8 @@
 .input-group-addon,
 .input-group-btn,
 .input-group .form-control {
-  // Vertically centers the content of the addons within the input group
   display: flex;
   align-items: center;
-
   &:not(:first-child):not(:last-child) {
     @include border-radius(0);
   }
@@ -40,7 +41,6 @@
 .input-group-addon,
 .input-group-btn {
   white-space: nowrap;
-  vertical-align: middle; // Match the inputs
 }
 
 
@@ -71,7 +71,7 @@
   font-size: $font-size-base; // Match inputs
   font-weight: $font-weight-normal;
   line-height: $input-btn-line-height;
-  color: $input-color;
+  color: $input-group-addon-color;
   text-align: center;
   background-color: $input-group-addon-bg;
   border: $input-btn-border-width solid $input-group-addon-border-color;
@@ -90,13 +90,11 @@
     @include border-radius($input-border-radius-lg);
   }
 
-  // scss-lint:disable QualifyingElement
   // Nuke default margins from checkboxes and radios to vertically center within.
   input[type="radio"],
   input[type="checkbox"] {
     margin-top: 0;
   }
-  // scss-lint:enable QualifyingElement
 }
 
 
@@ -135,6 +133,7 @@
 
 .input-group-btn {
   position: relative;
+  align-items: stretch;
   // Jankily prevent input button groups from wrapping with `white-space` and
   // `font-size` in combination with `inline-block` on buttons.
   font-size: 0;
@@ -155,6 +154,10 @@
     }
   }
 
+  &:first-child > .btn + .btn {
+    margin-left: 0;
+  }
+
   // Negative margin to only have a single, shared border between the two
   &:not(:last-child) {
     > .btn,
@@ -166,7 +169,14 @@
     > .btn,
     > .btn-group {
       z-index: 2;
-      margin-left: (-$input-btn-border-width);
+      // remove nagative margin ($input-btn-border-width) to solve overlapping issue with button.
+      margin-left: 0;
+
+      // When input is first, overlap the right side of it with the button(-group)
+      &:first-child {
+        margin-left: (-$input-btn-border-width);
+      }
+
       // Because specificity
       @include hover-focus-active {
         z-index: 3;
diff --git a/React_Full_Project/scss/bootstrap/_mixins.scss b/React_Full_Project/scss/bootstrap/_mixins.scss
index 09035bf..d9a1774 100755
--- a/React_Full_Project/scss/bootstrap/_mixins.scss
+++ b/React_Full_Project/scss/bootstrap/_mixins.scss
@@ -19,6 +19,7 @@
 // // Components
 @import "mixins/alert";
 @import "mixins/buttons";
+@import "mixins/caret";
 @import "mixins/pagination";
 @import "mixins/lists";
 @import "mixins/list-group";
diff --git a/React_Full_Project/scss/bootstrap/_modal.scss b/React_Full_Project/scss/bootstrap/_modal.scss
index c0c4067..e655850 100755
--- a/React_Full_Project/scss/bootstrap/_modal.scss
+++ b/React_Full_Project/scss/bootstrap/_modal.scss
@@ -43,6 +43,8 @@
   position: relative;
   width: auto;
   margin: $modal-dialog-margin;
+  // allow clicks to pass through for custom click handling to close modal
+  pointer-events: none;
 }
 
 // Actual modal
@@ -50,6 +52,8 @@
   position: relative;
   display: flex;
   flex-direction: column;
+  // counteract the pointer-events: none; in the .modal-dialog
+  pointer-events: auto;
   background-color: $modal-content-bg;
   background-clip: padding-box;
   border: $modal-content-border-width solid $modal-content-border-color;
@@ -78,10 +82,17 @@
 // Top section of the modal w/ title and dismiss
 .modal-header {
   display: flex;
-  align-items: center; // vertically center it
+  align-items: flex-start; // so the close btn always stays on the upper right corner
   justify-content: space-between; // Put modal header elements (title and dismiss) on opposite ends
   padding: $modal-header-padding;
   border-bottom: $modal-header-border-width solid $modal-header-border-color;
+  @include border-top-radius($border-radius-lg);
+
+  .close {
+    padding: $modal-header-padding;
+    // auto on the left force icon to the right even when there is no .modal-title
+    margin: (-$modal-header-padding) (-$modal-header-padding) (-$modal-header-padding) auto;
+  }
 }
 
 // Title text within header
diff --git a/React_Full_Project/scss/bootstrap/_nav.scss b/React_Full_Project/scss/bootstrap/_nav.scss
index ed5d76b..14e76c9 100755
--- a/React_Full_Project/scss/bootstrap/_nav.scss
+++ b/React_Full_Project/scss/bootstrap/_nav.scss
@@ -74,12 +74,12 @@
 .nav-pills {
   .nav-link {
     @include border-radius($nav-pills-border-radius);
+  }
 
-    &.active,
-    .show > & {
-      color: $nav-pills-link-active-color;
-      background-color: $nav-pills-link-active-bg;
-    }
+  .nav-link.active,
+  .show > .nav-link {
+    color: $nav-pills-link-active-color;
+    background-color: $nav-pills-link-active-bg;
   }
 }
 
diff --git a/React_Full_Project/scss/bootstrap/_navbar.scss b/React_Full_Project/scss/bootstrap/_navbar.scss
index ed49b76..6b023e8 100755
--- a/React_Full_Project/scss/bootstrap/_navbar.scss
+++ b/React_Full_Project/scss/bootstrap/_navbar.scss
@@ -98,6 +98,7 @@
 // on the `.navbar` parent.
 .navbar-collapse {
   flex-basis: 100%;
+  flex-grow: 1;
   // For always expanded or extra full navbars, ensure content aligns itself
   // properly vertically. Can be easily overridden with flex utilities.
   align-items: center;
@@ -146,8 +147,7 @@
       }
 
       @include media-breakpoint-up($next) {
-        flex-direction: row;
-        flex-wrap: nowrap;
+        flex-flow: row nowrap;
         justify-content: flex-start;
 
         .navbar-nav {
@@ -174,15 +174,23 @@
           flex-wrap: nowrap;
         }
 
-        // scss-lint:disable ImportantRule
         .navbar-collapse {
-          display: flex !important;
+          display: flex !important;  // stylelint-disable-line declaration-no-important
+
+          // Changes flex-bases to auto because of an IE10 bug
+          flex-basis: auto;
         }
-        // scss-lint:enable ImportantRule
 
         .navbar-toggler {
           display: none;
         }
+
+        .dropup {
+          .dropdown-menu {
+            top: auto;
+            bottom: 100%;
+          }
+        }
       }
     }
   }
@@ -235,6 +243,13 @@
 
   .navbar-text {
     color: $navbar-light-color;
+    a {
+      color: $navbar-light-active-color;
+
+      @include hover-focus {
+        color: $navbar-light-active-color;
+      }
+    }
   }
 }
 
@@ -280,5 +295,12 @@
 
   .navbar-text {
     color: $navbar-dark-color;
+    a {
+      color: $navbar-dark-active-color;
+
+      @include hover-focus {
+        color: $navbar-dark-active-color;
+      }
+    }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/_pagination.scss b/React_Full_Project/scss/bootstrap/_pagination.scss
index a049299..69a36ff 100755
--- a/React_Full_Project/scss/bootstrap/_pagination.scss
+++ b/React_Full_Project/scss/bootstrap/_pagination.scss
@@ -1,8 +1,6 @@
 .pagination {
   display: flex;
-  // 1-2: Disable browser default list styles
-  padding-left: 0; // 1
-  list-style: none; // 2
+  @include list-unstyled();
   @include border-radius();
 }
 
@@ -38,7 +36,7 @@
   position: relative;
   display: block;
   padding: $pagination-padding-y $pagination-padding-x;
-  margin-left: -1px;
+  margin-left: -$pagination-border-width;
   line-height: $pagination-line-height;
   color: $pagination-color;
   background-color: $pagination-bg;
diff --git a/React_Full_Project/scss/bootstrap/_popover.scss b/React_Full_Project/scss/bootstrap/_popover.scss
index 950d6ca..4503767 100755
--- a/React_Full_Project/scss/bootstrap/_popover.scss
+++ b/React_Full_Project/scss/bootstrap/_popover.scss
@@ -5,7 +5,6 @@
   z-index: $zindex-popover;
   display: block;
   max-width: $popover-max-width;
-  padding: $popover-inner-padding;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
@@ -39,11 +38,11 @@
 
   .arrow::before {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
   .arrow::after {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
 
   // Popover directions
@@ -61,14 +60,14 @@
     }
 
     .arrow::before {
-      bottom: -$popover-arrow-outer-width;
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: -$popover-arrow-width;
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-color;
     }
   }
@@ -82,17 +81,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-left-width: 0;
     }
 
     .arrow::before {
-      left: -$popover-arrow-outer-width;
+      left: -$popover-arrow-width;
       border-right-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      left: -($popover-arrow-outer-width - 1);
+      left: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-right-color: $popover-arrow-color;
     }
   }
@@ -106,17 +105,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-left: -($popover-arrow-width - 3);
+      margin-left: -$popover-arrow-width;
       border-top-width: 0;
     }
 
     .arrow::before {
-      top: -$popover-arrow-outer-width;
+      top: -$popover-arrow-width;
       border-bottom-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      top: -($popover-arrow-outer-width - 1);
+      top: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-bottom-color: $popover-arrow-color;
     }
 
@@ -129,7 +128,7 @@
       width: 20px;
       margin-left: -10px;
       content: "";
-      border-bottom: 1px solid $popover-header-bg;
+      border-bottom: $popover-border-width solid $popover-header-bg;
     }
   }
 
@@ -142,17 +141,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-right-width: 0;
     }
 
     .arrow::before {
-      right: -$popover-arrow-outer-width;
+      right: -$popover-arrow-width;
       border-left-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      right: -($popover-arrow-outer-width - 1);
+      right: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-left-color: $popover-arrow-color;
     }
   }
diff --git a/React_Full_Project/scss/bootstrap/_print.scss b/React_Full_Project/scss/bootstrap/_print.scss
index 7f8d990..6505d3e 100755
--- a/React_Full_Project/scss/bootstrap/_print.scss
+++ b/React_Full_Project/scss/bootstrap/_print.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable declaration-no-important, selector-no-qualifying-type
 
 // Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css
 
@@ -14,8 +14,7 @@
     *::before,
     *::after {
       // Bootstrap specific; comment out `color` and `background`
-      //color: #000 !important; // Black prints faster:
-                                //   http://www.sanbeiji.com/archives/953
+      //color: #000 !important; // Black prints faster: http://www.sanbeiji.com/archives/953
       text-shadow: none !important;
       //background: transparent !important;
       box-shadow: none !important;
diff --git a/React_Full_Project/scss/bootstrap/_progress.scss b/React_Full_Project/scss/bootstrap/_progress.scss
index f7491a6..efbb440 100755
--- a/React_Full_Project/scss/bootstrap/_progress.scss
+++ b/React_Full_Project/scss/bootstrap/_progress.scss
@@ -5,21 +5,19 @@
 
 .progress {
   display: flex;
+  height: $progress-height;
   overflow: hidden; // force rounded corners by cropping it
   font-size: $progress-font-size;
-  line-height: $progress-height;
-  text-align: center;
   background-color: $progress-bg;
   @include border-radius($progress-border-radius);
-  @include box-shadow($progress-box-shadow);
 }
 
 .progress-bar {
-  height: $progress-height;
-  line-height: $progress-height;
+  display: flex;
+  align-items: center;
+  justify-content: center;
   color: $progress-bar-color;
   background-color: $progress-bar-bg;
-  @include transition($progress-bar-transition);
 }
 
 .progress-bar-striped {
diff --git a/React_Full_Project/scss/bootstrap/_reboot.scss b/React_Full_Project/scss/bootstrap/_reboot.scss
index 33fc2d6..3055cc3 100755
--- a/React_Full_Project/scss/bootstrap/_reboot.scss
+++ b/React_Full_Project/scss/bootstrap/_reboot.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement, DuplicateProperty, VendorPrefix
+// stylelint-disable at-rule-no-vendor-prefix, declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
 
 // Reboot
 //
@@ -18,8 +18,13 @@
 //    we force a non-overlapping, non-auto-hiding scrollbar to counteract.
 // 6. Change the default tap highlight to be completely transparent in iOS.
 
-html {
+*,
+*::before,
+*::after {
   box-sizing: border-box; // 1
+}
+
+html {
   font-family: sans-serif; // 2
   line-height: 1.15; // 3
   -webkit-text-size-adjust: 100%; // 4
@@ -28,26 +33,26 @@ html {
   -webkit-tap-highlight-color: rgba(0,0,0,0); // 6
 }
 
-*,
-*::before,
-*::after {
-  box-sizing: inherit; // 1
-}
-
 // IE10+ doesn't honor `<meta name="viewport">` in some cases.
 @at-root {
-  @-ms-viewport { width: device-width; }
+  @-ms-viewport {
+    width: device-width;
+  }
 }
 
+// stylelint-disable selector-list-comma-newline-after
 // Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
 article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, section {
   display: block;
 }
+// stylelint-enable selector-list-comma-newline-after
 
 // Body
 //
 // 1. Remove the margin in all browsers.
 // 2. As a best practice, apply a default `background-color`.
+// 3. Set an explicit initial text-align value so that we can later use the
+//    the `inherit` value on things like `<th>` elements.
 
 body {
   margin: 0; // 1
@@ -56,6 +61,7 @@ body {
   font-weight: $font-weight-base;
   line-height: $line-height-base;
   color: $body-color;
+  text-align: left; // 3
   background-color: $body-bg; // 2
 }
 
@@ -89,10 +95,12 @@ hr {
 //
 // By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
 // margin for easier control within type scales as it avoids margin collapsing.
+// stylelint-disable selector-list-comma-newline-after
 h1, h2, h3, h4, h5, h6 {
   margin-top: 0;
-  margin-bottom: .5rem;
+  margin-bottom: $headings-margin-bottom;
 }
+// stylelint-enable selector-list-comma-newline-after
 
 // Reset margins on paragraphs
 //
@@ -100,7 +108,7 @@ h1, h2, h3, h4, h5, h6 {
 // bottom margin to use `rem` units instead of `em`.
 p {
   margin-top: 0;
-  margin-bottom: 1rem;
+  margin-bottom: $paragraph-margin-bottom;
 }
 
 // Abbreviations
@@ -155,10 +163,12 @@ dfn {
   font-style: italic; // Add the correct font style in Android 4.3-
 }
 
+// stylelint-disable font-weight-notation
 b,
 strong {
   font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari
 }
+// stylelint-enable font-weight-notation
 
 small {
   font-size: 80%; // Add the correct font size in all browsers
@@ -222,6 +232,7 @@ a:not([href]):not([tabindex]) {
 // Code
 //
 
+// stylelint-disable font-family-no-duplicate-names
 pre,
 code,
 kbd,
@@ -229,6 +240,7 @@ samp {
   font-family: monospace, monospace; // Correct the inheritance and scaling of font size in all browsers.
   font-size: 1em; // Correct the odd `em` font sizing in all browsers.
 }
+// stylelint-enable font-family-no-duplicate-names
 
 pre {
   // Remove browser default top margin
@@ -237,6 +249,9 @@ pre {
   margin-bottom: 1rem;
   // Don't allow content to break outside
   overflow: auto;
+  // We have @viewport set which causes scrollbars to overlap content in IE11 and Edge, so
+  // we force a non-overlapping, non-auto-hiding scrollbar to counteract.
+  -ms-overflow-style: scrollbar;
 }
 
 
@@ -270,15 +285,15 @@ svg:not(:root) {
 // DON'T remove the click delay when `<meta name="viewport" content="width=device-width">` is present.
 // However, they DO support removing the click delay via `touch-action: manipulation`.
 // See:
-// * https://v4-alpha.getbootstrap.com/content/reboot/#click-delay-optimization-for-touch
-// * http://caniuse.com/#feat=css-touch-action
+// * https://getbootstrap.com/docs/4.0/content/reboot/#click-delay-optimization-for-touch
+// * https://caniuse.com/#feat=css-touch-action
 // * https://patrickhlauke.github.io/touch/tests/results/#suppressing-300ms-delay
 
 a,
 area,
 button,
 [role="button"],
-input,
+input:not([type="range"]),
 label,
 select,
 summary,
@@ -304,8 +319,9 @@ caption {
 }
 
 th {
-  // Matches default `<td>` alignment
-  text-align: left;
+  // Matches default `<td>` alignment by inheriting from the `<body>`, or the
+  // closest parent with a set `text-align`.
+  text-align: inherit;
 }
 
 
@@ -319,6 +335,13 @@ label {
   margin-bottom: .5rem;
 }
 
+// Remove the default `border-radius` that macOS Chrome adds.
+//
+// Details at https://github.com/twbs/bootstrap/issues/24093
+button {
+  border-radius: 0;
+}
+
 // Work around a Firefox/IE bug where the transparent `button` background
 // results in a loss of the default `button` focus styles.
 //
diff --git a/React_Full_Project/scss/bootstrap/_root.scss b/React_Full_Project/scss/bootstrap/_root.scss
new file mode 100755
index 0000000..ad550df
--- /dev/null
+++ b/React_Full_Project/scss/bootstrap/_root.scss
@@ -0,0 +1,19 @@
+:root {
+  // Custom variable values only support SassScript inside `#{}`.
+  @each $color, $value in $colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $color, $value in $theme-colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $bp, $value in $grid-breakpoints {
+    --breakpoint-#{$bp}: #{$value};
+  }
+
+  // Use `inspect` for lists so that quoted items keep the quotes.
+  // See https://github.com/sass/sass/issues/2383#issuecomment-336349172
+  --font-family-sans-serif: #{inspect($font-family-sans-serif)};
+  --font-family-monospace: #{inspect($font-family-monospace)};
+}
diff --git a/React_Full_Project/scss/bootstrap/_tables.scss b/React_Full_Project/scss/bootstrap/_tables.scss
index a652d17..6bd0b91 100755
--- a/React_Full_Project/scss/bootstrap/_tables.scss
+++ b/React_Full_Project/scss/bootstrap/_tables.scss
@@ -99,32 +99,37 @@
 @include table-row-variant(active, $table-active-bg);
 
 
-// Inverse styles
+// Dark styles
 //
 // Same table markup, but inverted color scheme: dark background and light text.
 
-.thead-inverse {
-  th {
-    color: $table-inverse-color;
-    background-color: $table-inverse-bg;
+// stylelint-disable-next-line no-duplicate-selectors
+.table {
+  .thead-dark {
+    th {
+      color: $table-dark-color;
+      background-color: $table-dark-bg;
+      border-color: $table-dark-border-color;
+    }
+  }
+
+  .thead-light {
+    th {
+      color: $table-head-color;
+      background-color: $table-head-bg;
+      border-color: $table-border-color;
+    }
   }
 }
 
-.thead-default {
-  th {
-    color: $table-head-color;
-    background-color: $table-head-bg;
-  }
-}
-
-.table-inverse {
-  color: $table-inverse-color;
-  background-color: $table-inverse-bg;
+.table-dark {
+  color: $table-dark-color;
+  background-color: $table-dark-bg;
 
   th,
   td,
   thead th {
-    border-color: $table-inverse-border-color;
+    border-color: $table-dark-border-color;
   }
 
   &.table-bordered {
@@ -133,14 +138,14 @@
 
   &.table-striped {
     tbody tr:nth-of-type(odd) {
-      background-color: $table-inverse-accent-bg;
+      background-color: $table-dark-accent-bg;
     }
   }
 
   &.table-hover {
     tbody tr {
       @include hover {
-        background-color: $table-inverse-hover-bg;
+        background-color: $table-dark-hover-bg;
       }
     }
   }
@@ -149,20 +154,27 @@
 
 // Responsive tables
 //
-// Add `.table-responsive` to `.table`s and we'll make them mobile friendly by
-// enabling horizontal scrolling. Only applies <768px. Everything above that
-// will display normally.
+// Generate series of `.table-responsive-*` classes for configuring the screen
+// size of where your table will overflow.
 
 .table-responsive {
-  @include media-breakpoint-down(md) {
-    display: block;
-    width: 100%;
-    overflow-x: auto;
-    -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    $next: breakpoint-next($breakpoint, $grid-breakpoints);
+    $infix: breakpoint-infix($next, $grid-breakpoints);
 
-    // Prevent double border on horizontal scroll due to use of `display: block;`
-    &.table-bordered {
-      border: 0;
+    &#{$infix} {
+      @include media-breakpoint-down($breakpoint) {
+        display: block;
+        width: 100%;
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+        -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+
+        // Prevent double border on horizontal scroll due to use of `display: block;`
+        &.table-bordered {
+          border: 0;
+        }
+      }
     }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/_tooltip.scss b/React_Full_Project/scss/bootstrap/_tooltip.scss
index fe97fbb..7b5db1c 100755
--- a/React_Full_Project/scss/bootstrap/_tooltip.scss
+++ b/React_Full_Project/scss/bootstrap/_tooltip.scss
@@ -21,6 +21,12 @@
     height: $tooltip-arrow-height;
   }
 
+  .arrow::before {
+    position: absolute;
+    border-color: transparent;
+    border-style: solid;
+  }
+
   &.bs-tooltip-top {
     padding: $tooltip-arrow-width 0;
     .arrow {
@@ -88,12 +94,6 @@
       @extend .bs-tooltip-left;
     }
   }
-
-  .arrow::before {
-    position: absolute;
-    border-color: transparent;
-    border-style: solid;
-  }
 }
 
 // Wrapper for the tooltip content
diff --git a/React_Full_Project/scss/bootstrap/_transitions.scss b/React_Full_Project/scss/bootstrap/_transitions.scss
index 86c04a5..df5744b 100755
--- a/React_Full_Project/scss/bootstrap/_transitions.scss
+++ b/React_Full_Project/scss/bootstrap/_transitions.scss
@@ -1,3 +1,5 @@
+// stylelint-disable selector-no-qualifying-type
+
 .fade {
   opacity: 0;
   @include transition($transition-fade);
diff --git a/React_Full_Project/scss/bootstrap/_type.scss b/React_Full_Project/scss/bootstrap/_type.scss
index 8928341..b1b8f61 100755
--- a/React_Full_Project/scss/bootstrap/_type.scss
+++ b/React_Full_Project/scss/bootstrap/_type.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important, selector-list-comma-newline-after
+
 //
 // Headings
 //
diff --git a/React_Full_Project/scss/bootstrap/_variables.scss b/React_Full_Project/scss/bootstrap/_variables.scss
index e2bacef..0615f35 100755
--- a/React_Full_Project/scss/bootstrap/_variables.scss
+++ b/React_Full_Project/scss/bootstrap/_variables.scss
@@ -1,54 +1,15 @@
 // Variables
 //
-// Copy settings from this file into the provided `_custom.scss` to override
-// the Bootstrap defaults without modifying key, versioned files.
-//
 // Variables should follow the `$component-state-property-size` formula for
 // consistent naming. Ex: $nav-link-disabled-color and $modal-content-box-shadow-xs.
 
-// Table of Contents
-//
-// Color system
-// Options
-// Spacing
-// Body
-// Links
-// Grid breakpoints
-// Grid containers
-// Grid columns
-// Fonts
-// Components
-// Tables
-// Buttons
-// Forms
-// Dropdowns
-// Z-index master list
-// Navs
-// Navbar
-// Pagination
-// Jumbotron
-// Form states and alerts
-// Cards
-// Tooltips
-// Popovers
-// Badges
-// Modals
-// Alerts
-// Progress bars
-// List group
-// Image thumbnails
-// Figures
-// Breadcrumbs
-// Carousel
-// Close
-// Code
-
 
 //
 // Color system
 //
 
-$white:  #fff !default;
+// stylelint-disable
+$white:    #fff !default;
 $gray-100: #f8f9fa !default;
 $gray-200: #e9ecef !default;
 $gray-300: #dee2e6 !default;
@@ -58,19 +19,20 @@ $gray-600: #868e96 !default;
 $gray-700: #495057 !default;
 $gray-800: #343a40 !default;
 $gray-900: #212529 !default;
-$black:  #000 !default;
+$black:    #000 !default;
 
-$grays: (
-  100: $gray-100,
-  200: $gray-200,
-  300: $gray-300,
-  400: $gray-400,
-  500: $gray-500,
-  600: $gray-600,
-  700: $gray-700,
-  800: $gray-800,
-  900: $gray-900
-) !default;
+$grays: () !default;
+$grays: map-merge((
+  "100": $gray-100,
+  "200": $gray-200,
+  "300": $gray-300,
+  "400": $gray-400,
+  "500": $gray-500,
+  "600": $gray-600,
+  "700": $gray-700,
+  "800": $gray-800,
+  "900": $gray-900
+), $grays);
 
 $blue:    #007bff !default;
 $indigo:  #6610f2 !default;
@@ -83,41 +45,54 @@ $green:   #28a745 !default;
 $teal:    #20c997 !default;
 $cyan:    #17a2b8 !default;
 
-$colors: (
-  blue: $blue,
-  indigo: $indigo,
-  purple: $purple,
-  pink: $pink,
-  red: $red,
-  orange: $orange,
-  yellow: $yellow,
-  green: $green,
-  teal: $teal,
-  cyan: $cyan,
-  white: $white,
-  gray: $gray-600,
-  gray-dark: $gray-800
-) !default;
+$colors: () !default;
+$colors: map-merge((
+  "blue":       $blue,
+  "indigo":     $indigo,
+  "purple":     $purple,
+  "pink":       $pink,
+  "red":        $red,
+  "orange":     $orange,
+  "yellow":     $yellow,
+  "green":      $green,
+  "teal":       $teal,
+  "cyan":       $cyan,
+  "white":      $white,
+  "gray":       $gray-600,
+  "gray-dark":  $gray-800
+), $colors);
 
-$theme-colors: (
-  primary: $blue,
-  secondary: $gray-600,
-  success: $green,
-  info: $cyan,
-  warning: $yellow,
-  danger: $red,
-  light: $gray-100,
-  dark: $gray-800
-) !default;
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-100 !default;
+$dark:          $gray-800 !default;
+
+$theme-colors: () !default;
+$theme-colors: map-merge((
+  "primary":    $primary,
+  "secondary":  $secondary,
+  "success":    $success,
+  "info":       $info,
+  "warning":    $warning,
+  "danger":     $danger,
+  "light":      $light,
+  "dark":       $dark
+), $theme-colors);
+// stylelint-enable
 
 // Set a specific jump point for requesting color jumps
-$theme-color-interval: 8% !default;
+$theme-color-interval:      8% !default;
 
 
 // Options
 //
 // Quickly modify global styling by enabling or disabling optional features.
 
+$enable-caret:              true !default;
 $enable-rounded:            true !default;
 $enable-shadows:            false !default;
 $enable-gradients:          false !default;
@@ -155,17 +130,23 @@ $sizes: (
 //
 // Settings for the `<body>` element.
 
-$body-bg:       $white !default;
-$body-color:    $gray-900 !default;
+$body-bg:                   $white !default;
+$body-color:                $gray-900 !default;
 
 // Links
 //
 // Style anchor elements.
 
-$link-color:            theme-color("primary") !default;
-$link-decoration:       none !default;
-$link-hover-color:      darken($link-color, 15%) !default;
-$link-hover-decoration: underline !default;
+$link-color:                theme-color("primary") !default;
+$link-decoration:           none !default;
+$link-hover-color:          darken($link-color, 15%) !default;
+$link-hover-decoration:     underline !default;
+
+// Paragraphs
+//
+// Style p element.
+
+$paragraph-margin-bottom:   1rem !default;
 
 
 // Grid breakpoints
@@ -180,6 +161,7 @@ $grid-breakpoints: (
   lg: 992px,
   xl: 1200px
 ) !default;
+
 @include _assert-ascending($grid-breakpoints, "$grid-breakpoints");
 @include _assert-starts-at-zero($grid-breakpoints);
 
@@ -194,6 +176,7 @@ $container-max-widths: (
   lg: 960px,
   xl: 1140px
 ) !default;
+
 @include _assert-ascending($container-max-widths, "$container-max-widths");
 
 
@@ -201,95 +184,99 @@ $container-max-widths: (
 //
 // Set the number of columns and specify the width of the gutters.
 
-$grid-columns: 12 !default;
-$grid-gutter-width: 30px !default;
+$grid-columns:                12 !default;
+$grid-gutter-width:           30px !default;
 
 // Components
 //
 // Define common padding and border radius sizes and more.
 
-$line-height-lg:         1.5 !default;
-$line-height-sm:         1.5 !default;
+$line-height-lg:              1.5 !default;
+$line-height-sm:              1.5 !default;
 
-$border-width: 1px !default;
+$border-width:                1px !default;
+$border-color:                $gray-200 !default;
 
-$border-radius:          .25rem !default;
-$border-radius-lg:       .3rem !default;
-$border-radius-sm:       .2rem !default;
+$border-radius:               .25rem !default;
+$border-radius-lg:            .3rem !default;
+$border-radius-sm:            .2rem !default;
 
-$component-active-color: $white !default;
-$component-active-bg:    theme-color("primary") !default;
+$component-active-color:      $white !default;
+$component-active-bg:         theme-color("primary") !default;
 
-$caret-width:            .3em !default;
+$caret-width:                 .3em !default;
 
-$transition-base:        all .2s ease-in-out !default;
-$transition-fade:        opacity .15s linear !default;
-$transition-collapse:    height .35s ease !default;
+$transition-base:             all .2s ease-in-out !default;
+$transition-fade:             opacity .15s linear !default;
+$transition-collapse:         height .35s ease !default;
 
 
 // Fonts
 //
 // Font, line-height, and color for body text, headings, and more.
 
-$font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !default;
-$font-family-monospace:  Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
-$font-family-base:       $font-family-sans-serif !default;
+// stylelint-disable value-keyword-case
+$font-family-sans-serif:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol" !default;
+$font-family-monospace:       "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
+$font-family-base:            $font-family-sans-serif !default;
+// stylelint-enable value-keyword-case
 
-$font-size-base: 1rem !default; // Assumes the browser default, typically `16px`
-$font-size-lg:   1.25rem !default;
-$font-size-sm:   .875rem !default;
+$font-size-base:              1rem !default; // Assumes the browser default, typically `16px`
+$font-size-lg:                ($font-size-base * 1.25) !default;
+$font-size-sm:                ($font-size-base * .875) !default;
 
-$font-weight-normal: normal !default;
-$font-weight-bold: bold !default;
+$font-weight-light:           300 !default;
+$font-weight-normal:          400 !default;
+$font-weight-bold:            700 !default;
 
-$font-weight-base: $font-weight-normal !default;
-$line-height-base: 1.5 !default;
+$font-weight-base:            $font-weight-normal !default;
+$line-height-base:            1.5 !default;
 
-$h1-font-size: 2.5rem !default;
-$h2-font-size: 2rem !default;
-$h3-font-size: 1.75rem !default;
-$h4-font-size: 1.5rem !default;
-$h5-font-size: 1.25rem !default;
-$h6-font-size: 1rem !default;
+$h1-font-size:                $font-size-base * 2.5 !default;
+$h2-font-size:                $font-size-base * 2 !default;
+$h3-font-size:                $font-size-base * 1.75 !default;
+$h4-font-size:                $font-size-base * 1.5 !default;
+$h5-font-size:                $font-size-base * 1.25 !default;
+$h6-font-size:                $font-size-base !default;
 
-$headings-margin-bottom: ($spacer / 2) !default;
-$headings-font-family:   inherit !default;
-$headings-font-weight:   500 !default;
-$headings-line-height:   1.1 !default;
-$headings-color:         inherit !default;
+$headings-margin-bottom:      ($spacer / 2) !default;
+$headings-font-family:        inherit !default;
+$headings-font-weight:        500 !default;
+$headings-line-height:        1.2 !default;
+$headings-color:              inherit !default;
 
-$display1-size: 6rem !default;
-$display2-size: 5.5rem !default;
-$display3-size: 4.5rem !default;
-$display4-size: 3.5rem !default;
+$display1-size:               6rem !default;
+$display2-size:               5.5rem !default;
+$display3-size:               4.5rem !default;
+$display4-size:               3.5rem !default;
 
-$display1-weight:     300 !default;
-$display2-weight:     300 !default;
-$display3-weight:     300 !default;
-$display4-weight:     300 !default;
-$display-line-height: $headings-line-height !default;
+$display1-weight:             300 !default;
+$display2-weight:             300 !default;
+$display3-weight:             300 !default;
+$display4-weight:             300 !default;
+$display-line-height:         $headings-line-height !default;
 
-$lead-font-size:   1.25rem !default;
-$lead-font-weight: 300 !default;
+$lead-font-size:              ($font-size-base * 1.25) !default;
+$lead-font-weight:            300 !default;
 
-$small-font-size: 80% !default;
+$small-font-size:             80% !default;
 
-$text-muted: $gray-600 !default;
+$text-muted:                  $gray-600 !default;
 
-$blockquote-small-color:  $gray-600 !default;
-$blockquote-font-size:    ($font-size-base * 1.25) !default;
+$blockquote-small-color:      $gray-600 !default;
+$blockquote-font-size:        ($font-size-base * 1.25) !default;
 
-$hr-border-color: rgba($black,.1) !default;
-$hr-border-width: $border-width !default;
+$hr-border-color:             rgba($black,.1) !default;
+$hr-border-width:             $border-width !default;
 
-$mark-padding: .2em !default;
+$mark-padding:                .2em !default;
 
-$dt-font-weight: $font-weight-bold !default;
+$dt-font-weight:              $font-weight-bold !default;
 
-$kbd-box-shadow:         inset 0 -.1rem 0 rgba($black,.25) !default;
-$nested-kbd-font-weight: $font-weight-bold !default;
+$kbd-box-shadow:              inset 0 -.1rem 0 rgba($black,.25) !default;
+$nested-kbd-font-weight:      $font-weight-bold !default;
 
-$list-inline-padding: 5px !default;
+$list-inline-padding:         5px !default;
 
 $mark-bg: #fcf8e3 !default;
 
@@ -298,178 +285,181 @@ $mark-bg: #fcf8e3 !default;
 //
 // Customizes the `.table` component with basic values, each used across all table variations.
 
-$table-cell-padding:            .75rem !default;
-$table-cell-padding-sm:         .3rem !default;
+$table-cell-padding:          .75rem !default;
+$table-cell-padding-sm:       .3rem !default;
 
-$table-bg:                      transparent !default;
-$table-accent-bg:               rgba($black,.05) !default;
-$table-hover-bg:                rgba($black,.075) !default;
-$table-active-bg:               $table-hover-bg !default;
+$table-bg:                    transparent !default;
+$table-accent-bg:             rgba($black,.05) !default;
+$table-hover-bg:              rgba($black,.075) !default;
+$table-active-bg:             $table-hover-bg !default;
 
-$table-border-width:            $border-width !default;
-$table-border-color:            $gray-200 !default;
+$table-border-width:          $border-width !default;
+$table-border-color:          $gray-200 !default;
 
-$table-head-bg:                 $gray-200 !default;
-$table-head-color:              $gray-700 !default;
+$table-head-bg:               $gray-200 !default;
+$table-head-color:            $gray-700 !default;
 
-$table-inverse-bg:              $gray-900 !default;
-$table-inverse-accent-bg:       rgba($white, .05) !default;
-$table-inverse-hover-bg:        rgba($white, .075) !default;
-$table-inverse-border-color:    lighten($gray-900, 7.5%) !default;
-$table-inverse-color:           $body-bg !default;
+$table-dark-bg:               $gray-900 !default;
+$table-dark-accent-bg:        rgba($white, .05) !default;
+$table-dark-hover-bg:         rgba($white, .075) !default;
+$table-dark-border-color:     lighten($gray-900, 7.5%) !default;
+$table-dark-color:            $body-bg !default;
 
 
 // Buttons
 //
 // For each of Bootstrap's buttons, define text, background and border color.
 
-$input-btn-padding-y:       .5rem !default;
-$input-btn-padding-x:       .75rem !default;
-$input-btn-line-height:     1.25 !default;
+$input-btn-padding-y:         .375rem !default;
+$input-btn-padding-x:         .75rem !default;
+$input-btn-line-height:       $line-height-base !default;
 
-$input-btn-padding-y-sm:    .25rem !default;
-$input-btn-padding-x-sm:    .5rem !default;
-$input-btn-line-height-sm:  1.5 !default;
+$input-btn-focus-width:       .2rem !default;
+$input-btn-focus-color:       rgba(theme-color("primary"), .25) !default;
+$input-btn-focus-box-shadow:  0 0 0 $input-btn-focus-width $input-btn-focus-color !default;
 
-$input-btn-padding-y-lg:    .5rem !default;
-$input-btn-padding-x-lg:    1rem !default;
-$input-btn-line-height-lg:  1.5 !default;
+$input-btn-padding-y-sm:      .25rem !default;
+$input-btn-padding-x-sm:      .5rem !default;
+$input-btn-line-height-sm:    $line-height-sm !default;
 
-$btn-font-weight:                $font-weight-normal !default;
-$btn-box-shadow:                 inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
-$btn-focus-box-shadow:           0 0 0 3px rgba(theme-color("primary"), .25) !default;
-$btn-active-box-shadow:          inset 0 3px 5px rgba($black,.125) !default;
+$input-btn-padding-y-lg:      .5rem !default;
+$input-btn-padding-x-lg:      1rem !default;
+$input-btn-line-height-lg:    $line-height-lg !default;
 
-$btn-link-disabled-color:        $gray-600 !default;
+$btn-font-weight:             $font-weight-normal !default;
+$btn-box-shadow:              inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
+$btn-active-box-shadow:       inset 0 3px 5px rgba($black,.125) !default;
 
-$btn-block-spacing-y:            .5rem !default;
+$btn-link-disabled-color:     $gray-600 !default;
+
+$btn-block-spacing-y:         .5rem !default;
 
 // Allows for customizing button radius independently from global border radius
-$btn-border-radius:              $border-radius !default;
-$btn-border-radius-lg:           $border-radius-lg !default;
-$btn-border-radius-sm:           $border-radius-sm !default;
+$btn-border-radius:           $border-radius !default;
+$btn-border-radius-lg:        $border-radius-lg !default;
+$btn-border-radius-sm:        $border-radius-sm !default;
 
-$btn-transition:                 all .15s ease-in-out !default;
+$btn-transition:              background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
 
 
 // Forms
 
-$input-bg:                       $white !default;
-$input-disabled-bg:              $gray-200 !default;
+$input-bg:                              $white !default;
+$input-disabled-bg:                     $gray-200 !default;
 
-$input-color:                    $gray-700 !default;
-$input-border-color:             rgba($black,.15) !default;
-$input-btn-border-width:         $border-width !default; // For form controls and buttons
-$input-box-shadow:               inset 0 1px 1px rgba($black,.075) !default;
+$input-color:                           $gray-700 !default;
+$input-border-color:                    $gray-400 !default;
+$input-btn-border-width:                $border-width !default; // For form controls and buttons
+$input-box-shadow:                      inset 0 1px 1px rgba($black,.075) !default;
 
-$input-border-radius:            $border-radius !default;
-$input-border-radius-lg:         $border-radius-lg !default;
-$input-border-radius-sm:         $border-radius-sm !default;
+$input-border-radius:                   $border-radius !default;
+$input-border-radius-lg:                $border-radius-lg !default;
+$input-border-radius-sm:                $border-radius-sm !default;
 
-$input-focus-bg:                 $input-bg !default;
-$input-focus-border-color:       lighten(theme-color("primary"), 25%) !default;
-$input-focus-box-shadow:         $input-box-shadow, $btn-focus-box-shadow !default;
-$input-focus-color:              $input-color !default;
+$input-focus-bg:                        $input-bg !default;
+$input-focus-border-color:              lighten(theme-color("primary"), 25%) !default;
+$input-focus-color:                     $input-color !default;
 
-$input-placeholder-color:        $gray-600 !default;
+$input-placeholder-color:               $gray-600 !default;
 
-$input-height-border:           $input-btn-border-width * 2 !default;
+$input-height-border:                   $input-btn-border-width * 2 !default;
 
-$input-height-inner:            ($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2) !default;
-$input-height:                  calc(#{$input-height-inner} + #{$input-height-border}) !default;
+$input-height-inner:                    ($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2) !default;
+$input-height:                          calc(#{$input-height-inner} + #{$input-height-border}) !default;
 
-$input-height-inner-sm:         ($font-size-sm * $input-btn-line-height-sm) + ($input-btn-padding-y-sm * 2) !default;
-$input-height-sm:               calc(#{$input-height-inner-sm} + #{$input-height-border}) !default;
+$input-height-inner-sm:                 ($font-size-sm * $input-btn-line-height-sm) + ($input-btn-padding-y-sm * 2) !default;
+$input-height-sm:                       calc(#{$input-height-inner-sm} + #{$input-height-border}) !default;
 
-$input-height-inner-lg:         ($font-size-sm * $input-btn-line-height-lg) + ($input-btn-padding-y-lg * 2) !default;
-$input-height-lg:               calc(#{$input-height-inner-lg} + #{$input-height-border}) !default;
+$input-height-inner-lg:                 ($font-size-lg * $input-btn-line-height-lg) + ($input-btn-padding-y-lg * 2) !default;
+$input-height-lg:                       calc(#{$input-height-inner-lg} + #{$input-height-border}) !default;
 
-$input-transition:               border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
+$input-transition:                      border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
 
-$form-text-margin-top:     .25rem !default;
+$form-text-margin-top:                  .25rem !default;
 
-$form-check-margin-bottom:  .5rem !default;
-$form-check-input-gutter:   1.25rem !default;
-$form-check-input-margin-y: .25rem !default;
-$form-check-input-margin-x: .25rem !default;
+$form-check-margin-bottom:              .5rem !default;
+$form-check-input-gutter:               1.25rem !default;
+$form-check-input-margin-y:             .25rem !default;
+$form-check-input-margin-x:             .25rem !default;
 
-$form-check-inline-margin-x: .75rem !default;
+$form-check-inline-margin-x:            .75rem !default;
 
-$form-group-margin-bottom:       1rem !default;
+$form-group-margin-bottom:              1rem !default;
 
-$input-group-addon-bg:           $gray-200 !default;
-$input-group-addon-border-color: $input-border-color !default;
+$input-group-addon-color:               $input-color !default;
+$input-group-addon-bg:                  $gray-200 !default;
+$input-group-addon-border-color:        $input-border-color !default;
 
-$custom-control-gutter:   1.5rem !default;
-$custom-control-spacer-y: .25rem !default;
-$custom-control-spacer-x: 1rem !default;
+$custom-control-gutter:                 1.5rem !default;
+$custom-control-spacer-y:               .25rem !default;
+$custom-control-spacer-x:               1rem !default;
 
-$custom-control-indicator-size:       1rem !default;
-$custom-control-indicator-bg:         #ddd !default;
-$custom-control-indicator-bg-size:    50% 50% !default;
-$custom-control-indicator-box-shadow: inset 0 .25rem .25rem rgba($black,.1) !default;
+$custom-control-indicator-size:         1rem !default;
+$custom-control-indicator-bg:           #ddd !default;
+$custom-control-indicator-bg-size:      50% 50% !default;
+$custom-control-indicator-box-shadow:   inset 0 .25rem .25rem rgba($black,.1) !default;
 
-$custom-control-indicator-disabled-bg:       $gray-200 !default;
-$custom-control-description-disabled-color:  $gray-600 !default;
+$custom-control-indicator-disabled-bg:          $gray-200 !default;
+$custom-control-description-disabled-color:     $gray-600 !default;
 
-$custom-control-indicator-checked-color:      $white !default;
-$custom-control-indicator-checked-bg:         theme-color("primary") !default;
-$custom-control-indicator-checked-box-shadow: none !default;
+$custom-control-indicator-checked-color:        $white !default;
+$custom-control-indicator-checked-bg:           theme-color("primary") !default;
+$custom-control-indicator-checked-box-shadow:   none !default;
 
-$custom-control-indicator-focus-box-shadow: 0 0 0 1px $body-bg, 0 0 0 3px theme-color("primary") !default;
+$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, $input-btn-focus-box-shadow !default;
 
-$custom-control-indicator-active-color:      $white !default;
-$custom-control-indicator-active-bg:         lighten(theme-color("primary"), 35%) !default;
-$custom-control-indicator-active-box-shadow: none !default;
+$custom-control-indicator-active-color:         $white !default;
+$custom-control-indicator-active-bg:            lighten(theme-color("primary"), 35%) !default;
+$custom-control-indicator-active-box-shadow:    none !default;
 
-$custom-checkbox-indicator-border-radius: $border-radius !default;
-$custom-checkbox-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-border-radius:       $border-radius !default;
+$custom-checkbox-indicator-icon-checked:        str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$custom-checkbox-indicator-indeterminate-bg: theme-color("primary") !default;
+$custom-checkbox-indicator-indeterminate-bg:    theme-color("primary") !default;
 $custom-checkbox-indicator-indeterminate-color: $custom-control-indicator-checked-color !default;
-$custom-checkbox-indicator-icon-indeterminate: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-icon-indeterminate:  str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
 $custom-checkbox-indicator-indeterminate-box-shadow: none !default;
 
-$custom-radio-indicator-border-radius: 50% !default;
-$custom-radio-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-radio-indicator-border-radius:          50% !default;
+$custom-radio-indicator-icon-checked:           str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$custom-select-padding-y:          .375rem !default;
-$custom-select-padding-x:          .75rem  !default;
-$custom-select-height:              $input-height  !default;
+$custom-select-padding-y:           .375rem !default;
+$custom-select-padding-x:          .75rem !default;
+$custom-select-height:              $input-height !default;
 $custom-select-indicator-padding:   1rem !default; // Extra padding to account for the presence of the background-image based indicator
 $custom-select-line-height:         $input-btn-line-height !default;
 $custom-select-color:               $input-color !default;
 $custom-select-disabled-color:      $gray-600 !default;
-$custom-select-bg:            $white !default;
-$custom-select-disabled-bg:   $gray-200 !default;
-$custom-select-bg-size:       8px 10px !default; // In pixels because image dimensions
-$custom-select-indicator-color: #333 !default;
-$custom-select-indicator:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='#{$custom-select-indicator-color}' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$custom-select-border-width:  $input-btn-border-width !default;
-$custom-select-border-color:  $input-border-color !default;
-$custom-select-border-radius: $border-radius !default;
+$custom-select-bg:                  $white !default;
+$custom-select-disabled-bg:         $gray-200 !default;
+$custom-select-bg-size:             8px 10px !default; // In pixels because image dimensions
+$custom-select-indicator-color:     #333 !default;
+$custom-select-indicator:           str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='#{$custom-select-indicator-color}' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-select-border-width:        $input-btn-border-width !default;
+$custom-select-border-color:        $input-border-color !default;
+$custom-select-border-radius:       $border-radius !default;
 
-$custom-select-focus-border-color: lighten(theme-color("primary"), 25%) !default;
-$custom-select-focus-box-shadow:   inset 0 1px 2px rgba($black, .075), 0 0 5px rgba($custom-select-focus-border-color, .5) !default;
+$custom-select-focus-border-color:  lighten(theme-color("primary"), 25%) !default;
+$custom-select-focus-box-shadow:    inset 0 1px 2px rgba($black, .075), 0 0 5px rgba($custom-select-focus-border-color, .5) !default;
 
-$custom-select-font-size-sm:  75% !default;
-$custom-select-height-sm: $input-height-sm !default;
+$custom-select-font-size-sm:        75% !default;
+$custom-select-height-sm:           $input-height-sm !default;
 
-$custom-file-height:           2.5rem !default;
-$custom-file-width:            14rem !default;
-$custom-file-focus-box-shadow: 0 0 0 .075rem $white, 0 0 0 .2rem theme-color("primary") !default;
+$custom-file-height:                $input-height !default;
+$custom-file-width:                 14rem !default;
+$custom-file-focus-box-shadow:      0 0 0 .075rem $white, 0 0 0 .2rem theme-color("primary") !default;
 
-$custom-file-padding-y:     1rem !default;
-$custom-file-padding-x:     .5rem !default;
-$custom-file-line-height:   1.5 !default;
-$custom-file-color:         $gray-700 !default;
-$custom-file-bg:            $white !default;
-$custom-file-border-width:  $border-width !default;
-$custom-file-border-color:  $input-border-color !default;
-$custom-file-border-radius: $border-radius !default;
-$custom-file-box-shadow:    inset 0 .2rem .4rem rgba($black,.05) !default;
-$custom-file-button-color:  $custom-file-color !default;
-$custom-file-button-bg:     $gray-200 !default;
+$custom-file-padding-y:             $input-btn-padding-y !default;
+$custom-file-padding-x:             $input-btn-padding-x !default;
+$custom-file-line-height:           $input-btn-line-height !default;
+$custom-file-color:                 $input-color !default;
+$custom-file-bg:                    $input-bg !default;
+$custom-file-border-width:          $input-btn-border-width !default;
+$custom-file-border-color:          $input-border-color !default;
+$custom-file-border-radius:         $input-border-radius !default;
+$custom-file-box-shadow:            $input-box-shadow !default;
+$custom-file-button-color:          $custom-file-color !default;
+$custom-file-button-bg:             $input-group-addon-bg !default;
 $custom-file-text: (
   placeholder: (
     en: "Choose file..."
@@ -481,36 +471,36 @@ $custom-file-text: (
 
 
 // Form validation
-$form-feedback-valid-color:   theme-color("success") !default;
-$form-feedback-invalid-color: theme-color("danger") !default;
+$form-feedback-valid-color:         theme-color("success") !default;
+$form-feedback-invalid-color:       theme-color("danger") !default;
 
 
 // Dropdowns
 //
 // Dropdown menu container and contents.
 
-$dropdown-min-width:             10rem !default;
-$dropdown-padding-y:             .5rem !default;
-$dropdown-spacer:                .125rem !default;
-$dropdown-bg:                    $white !default;
-$dropdown-border-color:          rgba($black,.15) !default;
-$dropdown-border-width:          $border-width !default;
-$dropdown-divider-bg:            $gray-200 !default;
-$dropdown-box-shadow:            0 .5rem 1rem rgba($black,.175) !default;
+$dropdown-min-width:                10rem !default;
+$dropdown-padding-y:                .5rem !default;
+$dropdown-spacer:                   .125rem !default;
+$dropdown-bg:                       $white !default;
+$dropdown-border-color:             rgba($black,.15) !default;
+$dropdown-border-width:             $border-width !default;
+$dropdown-divider-bg:               $gray-200 !default;
+$dropdown-box-shadow:               0 .5rem 1rem rgba($black,.175) !default;
 
-$dropdown-link-color:            $gray-900 !default;
-$dropdown-link-hover-color:      darken($gray-900, 5%) !default;
-$dropdown-link-hover-bg:         $gray-100 !default;
+$dropdown-link-color:               $gray-900 !default;
+$dropdown-link-hover-color:         darken($gray-900, 5%) !default;
+$dropdown-link-hover-bg:            $gray-100 !default;
 
-$dropdown-link-active-color:     $component-active-color !default;
-$dropdown-link-active-bg:        $component-active-bg !default;
+$dropdown-link-active-color:        $component-active-color !default;
+$dropdown-link-active-bg:           $component-active-bg !default;
 
-$dropdown-link-disabled-color:   $gray-600 !default;
+$dropdown-link-disabled-color:      $gray-600 !default;
 
-$dropdown-item-padding-y:        .25rem !default;
-$dropdown-item-padding-x:        1.5rem !default;
+$dropdown-item-padding-y:           .25rem !default;
+$dropdown-item-padding-x:           1.5rem !default;
 
-$dropdown-header-color:          $gray-600 !default;
+$dropdown-header-color:             $gray-600 !default;
 
 
 // Z-index master list
@@ -518,31 +508,31 @@ $dropdown-header-color:          $gray-600 !default;
 // Warning: Avoid customizing these values. They're used for a bird's eye view
 // of components dependent on the z-axis and are designed to all work together.
 
-$zindex-dropdown:           1000 !default;
-$zindex-sticky:             1020 !default;
-$zindex-fixed:              1030 !default;
-$zindex-modal-backdrop:     1040 !default;
-$zindex-modal:              1050 !default;
-$zindex-popover:            1060 !default;
-$zindex-tooltip:            1070 !default;
+$zindex-dropdown:                   1000 !default;
+$zindex-sticky:                     1020 !default;
+$zindex-fixed:                      1030 !default;
+$zindex-modal-backdrop:             1040 !default;
+$zindex-modal:                      1050 !default;
+$zindex-popover:                    1060 !default;
+$zindex-tooltip:                    1070 !default;
 
 // Navs
 
-$nav-link-padding-y:            .5rem !default;
-$nav-link-padding-x:            1rem !default;
-$nav-link-disabled-color:       $gray-600 !default;
+$nav-link-padding-y:                .5rem !default;
+$nav-link-padding-x:                1rem !default;
+$nav-link-disabled-color:           $gray-600 !default;
 
-$nav-tabs-border-color:                       #ddd !default;
-$nav-tabs-border-width:                       $border-width !default;
-$nav-tabs-border-radius:                      $border-radius !default;
-$nav-tabs-link-hover-border-color:            $gray-200 !default;
-$nav-tabs-link-active-color:                  $gray-700 !default;
-$nav-tabs-link-active-bg:                     $body-bg !default;
-$nav-tabs-link-active-border-color:           #ddd !default;
+$nav-tabs-border-color:             #ddd !default;
+$nav-tabs-border-width:             $border-width !default;
+$nav-tabs-border-radius:            $border-radius !default;
+$nav-tabs-link-hover-border-color:  $gray-200 !default;
+$nav-tabs-link-active-color:        $gray-700 !default;
+$nav-tabs-link-active-bg:           $body-bg !default;
+$nav-tabs-link-active-border-color: #ddd !default;
 
-$nav-pills-border-radius:     $border-radius !default;
-$nav-pills-link-active-color: $component-active-color !default;
-$nav-pills-link-active-bg:    $component-active-bg !default;
+$nav-pills-border-radius:           $border-radius !default;
+$nav-pills-link-active-color:       $component-active-color !default;
+$nav-pills-link-active-bg:          $component-active-bg !default;
 
 // Navbar
 
@@ -551,287 +541,288 @@ $navbar-padding-x:                  $spacer !default;
 
 $navbar-brand-font-size:            $font-size-lg !default;
 // Compute the navbar-brand padding-y so the navbar-brand will have the same height as navbar-text and nav-link
-$nav-link-height:                   $navbar-brand-font-size * $line-height-base !default;
-$navbar-brand-height:               ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
-$navbar-brand-padding-y:            ($navbar-brand-height - $nav-link-height) / 2 !default;
+$nav-link-height:                   ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
+$navbar-brand-height:               $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-padding-y:            ($nav-link-height - $navbar-brand-height) / 2 !default;
 
-$navbar-toggler-padding-y:           .25rem !default;
-$navbar-toggler-padding-x:           .75rem !default;
-$navbar-toggler-font-size:           $font-size-lg !default;
-$navbar-toggler-border-radius:       $btn-border-radius !default;
+$navbar-toggler-padding-y:          .25rem !default;
+$navbar-toggler-padding-x:          .75rem !default;
+$navbar-toggler-font-size:          $font-size-lg !default;
+$navbar-toggler-border-radius:      $btn-border-radius !default;
 
 $navbar-dark-color:                 rgba($white,.5) !default;
 $navbar-dark-hover-color:           rgba($white,.75) !default;
-$navbar-dark-active-color:          rgba($white,1) !default;
+$navbar-dark-active-color:          $white !default;
 $navbar-dark-disabled-color:        rgba($white,.25) !default;
-$navbar-dark-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-dark-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-dark-toggler-icon-bg:       str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-dark-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
 $navbar-dark-toggler-border-color:  rgba($white,.1) !default;
 
 $navbar-light-color:                rgba($black,.5) !default;
 $navbar-light-hover-color:          rgba($black,.7) !default;
 $navbar-light-active-color:         rgba($black,.9) !default;
 $navbar-light-disabled-color:       rgba($black,.3) !default;
-$navbar-light-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-light-toggler-icon-bg:      str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
 $navbar-light-toggler-border-color: rgba($black,.1) !default;
 
 // Pagination
 
-$pagination-padding-y:                .5rem !default;
-$pagination-padding-x:                .75rem !default;
-$pagination-padding-y-sm:             .25rem !default;
-$pagination-padding-x-sm:             .5rem !default;
-$pagination-padding-y-lg:             .75rem !default;
-$pagination-padding-x-lg:             1.5rem !default;
-$pagination-line-height:              1.25 !default;
+$pagination-padding-y:              .5rem !default;
+$pagination-padding-x:              .75rem !default;
+$pagination-padding-y-sm:           .25rem !default;
+$pagination-padding-x-sm:           .5rem !default;
+$pagination-padding-y-lg:           .75rem !default;
+$pagination-padding-x-lg:           1.5rem !default;
+$pagination-line-height:            1.25 !default;
 
-$pagination-color:                     $link-color !default;
-$pagination-bg:                        $white !default;
-$pagination-border-width:              $border-width !default;
-$pagination-border-color:              #ddd !default;
+$pagination-color:                  $link-color !default;
+$pagination-bg:                     $white !default;
+$pagination-border-width:           $border-width !default;
+$pagination-border-color:           #ddd !default;
 
-$pagination-hover-color:               $link-hover-color !default;
-$pagination-hover-bg:                  $gray-200 !default;
-$pagination-hover-border-color:        #ddd !default;
+$pagination-hover-color:            $link-hover-color !default;
+$pagination-hover-bg:               $gray-200 !default;
+$pagination-hover-border-color:     #ddd !default;
 
-$pagination-active-color:              $white !default;
-$pagination-active-bg:                 theme-color("primary") !default;
-$pagination-active-border-color:       theme-color("primary") !default;
+$pagination-active-color:           $white !default;
+$pagination-active-bg:              theme-color("primary") !default;
+$pagination-active-border-color:    theme-color("primary") !default;
 
-$pagination-disabled-color:            $gray-600 !default;
-$pagination-disabled-bg:               $white !default;
-$pagination-disabled-border-color:     #ddd !default;
+$pagination-disabled-color:         $gray-600 !default;
+$pagination-disabled-bg:            $white !default;
+$pagination-disabled-border-color:  #ddd !default;
 
 
 // Jumbotron
 
-$jumbotron-padding:              2rem !default;
-$jumbotron-bg:                   $gray-200 !default;
+$jumbotron-padding:                 2rem !default;
+$jumbotron-bg:                      $gray-200 !default;
 
 
 // Cards
 
-$card-spacer-y:            .75rem !default;
-$card-spacer-x:            1.25rem !default;
-$card-border-width:        1px !default;
-$card-border-radius:       $border-radius !default;
-$card-border-color:        rgba($black,.125) !default;
-$card-inner-border-radius: calc(#{$card-border-radius} - #{$card-border-width}) !default;
-$card-cap-bg:              rgba($black, .03) !default;
-$card-bg:                  $white !default;
+$card-spacer-y:                     .75rem !default;
+$card-spacer-x:                     1.25rem !default;
+$card-border-width:                 $border-width !default;
+$card-border-radius:                $border-radius !default;
+$card-border-color:                 rgba($black,.125) !default;
+$card-inner-border-radius:          calc(#{$card-border-radius} - #{$card-border-width}) !default;
+$card-cap-bg:                       rgba($black, .03) !default;
+$card-bg:                           $white !default;
 
-$card-img-overlay-padding: 1.25rem !default;
+$card-img-overlay-padding:          1.25rem !default;
 
-$card-deck-margin:          ($grid-gutter-width / 2) !default;
+$card-group-margin:                 ($grid-gutter-width / 2) !default;
+$card-deck-margin:                  $card-group-margin !default;
 
-$card-columns-count:        3 !default;
-$card-columns-gap:          1.25rem !default;
-$card-columns-margin:       $card-spacer-y !default;
+$card-columns-count:                3 !default;
+$card-columns-gap:                  1.25rem !default;
+$card-columns-margin:               $card-spacer-y !default;
 
 
 // Tooltips
 
-$tooltip-max-width:           200px !default;
-$tooltip-color:               $white !default;
-$tooltip-bg:                  $black !default;
-$tooltip-opacity:             .9 !default;
-$tooltip-padding-y:           3px !default;
-$tooltip-padding-x:           8px !default;
-$tooltip-margin:              0 !default;
+$tooltip-max-width:                 200px !default;
+$tooltip-color:                     $white !default;
+$tooltip-bg:                        $black !default;
+$tooltip-opacity:                   .9 !default;
+$tooltip-padding-y:                 3px !default;
+$tooltip-padding-x:                 8px !default;
+$tooltip-margin:                    0 !default;
 
 
-$tooltip-arrow-width:         5px !default;
-$tooltip-arrow-height:        5px !default;
-$tooltip-arrow-color:         $tooltip-bg !default;
+$tooltip-arrow-width:               5px !default;
+$tooltip-arrow-height:              5px !default;
+$tooltip-arrow-color:               $tooltip-bg !default;
 
 
 // Popovers
 
-$popover-inner-padding:               1px !default;
-$popover-bg:                          $white !default;
-$popover-max-width:                   276px !default;
-$popover-border-width:                $border-width !default;
-$popover-border-color:                rgba($black,.2) !default;
-$popover-box-shadow:                  0 5px 10px rgba($black,.2) !default;
+$popover-bg:                        $white !default;
+$popover-max-width:                 276px !default;
+$popover-border-width:              $border-width !default;
+$popover-border-color:              rgba($black,.2) !default;
+$popover-box-shadow:                0 .25rem .5rem rgba($black,.2) !default;
 
-$popover-header-bg:                    darken($popover-bg, 3%) !default;
-$popover-header-color:                 $headings-color !default;
-$popover-header-padding-y:             8px !default;
-$popover-header-padding-x:             14px !default;
+$popover-header-bg:                 darken($popover-bg, 3%) !default;
+$popover-header-color:              $headings-color !default;
+$popover-header-padding-y:          .5rem !default;
+$popover-header-padding-x:          .75rem !default;
 
-$popover-body-color:               $body-color !default;
-$popover-body-padding-y:           9px !default;
-$popover-body-padding-x:           14px !default;
+$popover-body-color:                $body-color !default;
+$popover-body-padding-y:            $popover-header-padding-y !default;
+$popover-body-padding-x:            $popover-header-padding-x !default;
 
-$popover-arrow-width:                 10px !default;
-$popover-arrow-height:                5px !default;
-$popover-arrow-color:                 $popover-bg !default;
+$popover-arrow-width:               .8rem !default;
+$popover-arrow-height:              .4rem !default;
+$popover-arrow-color:               $popover-bg !default;
 
-$popover-arrow-outer-width:           ($popover-arrow-width + 1px) !default;
-$popover-arrow-outer-color:           fade-in($popover-border-color, .05) !default;
+$popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;
 
 
 // Badges
 
-$badge-color:                 $white !default;
-$badge-font-size:             75% !default;
-$badge-font-weight:           $font-weight-bold !default;
-$badge-padding-y:             .25em !default;
-$badge-padding-x:             .4em !default;
+$badge-font-size:                   75% !default;
+$badge-font-weight:                 $font-weight-bold !default;
+$badge-padding-y:                   .25em !default;
+$badge-padding-x:                   .4em !default;
+$badge-border-radius:               $border-radius !default;
 
-$badge-pill-padding-x:        .6em !default;
+$badge-pill-padding-x:              .6em !default;
 // Use a higher than normal value to ensure completely rounded edges when
 // customizing padding or font-size on labels.
-$badge-pill-border-radius:    10rem !default;
+$badge-pill-border-radius:          10rem !default;
 
 
 // Modals
 
 // Padding applied to the modal body
-$modal-inner-padding:         15px !default;
+$modal-inner-padding:               15px !default;
 
-$modal-dialog-margin:         10px !default;
-$modal-dialog-margin-y-sm-up: 30px !default;
+$modal-dialog-margin:               10px !default;
+$modal-dialog-margin-y-sm-up:       30px !default;
 
-$modal-title-line-height:     $line-height-base !default;
+$modal-title-line-height:           $line-height-base !default;
 
-$modal-content-bg:               $white !default;
-$modal-content-border-color:     rgba($black,.2) !default;
-$modal-content-border-width:     $border-width !default;
-$modal-content-box-shadow-xs:    0 3px 9px rgba($black,.5) !default;
-$modal-content-box-shadow-sm-up: 0 5px 15px rgba($black,.5) !default;
+$modal-content-bg:                  $white !default;
+$modal-content-border-color:        rgba($black,.2) !default;
+$modal-content-border-width:        $border-width !default;
+$modal-content-box-shadow-xs:       0 3px 9px rgba($black,.5) !default;
+$modal-content-box-shadow-sm-up:    0 5px 15px rgba($black,.5) !default;
 
-$modal-backdrop-bg:           $black !default;
-$modal-backdrop-opacity:      .5 !default;
-$modal-header-border-color:   $gray-200 !default;
-$modal-footer-border-color:   $modal-header-border-color !default;
-$modal-header-border-width:   $modal-content-border-width !default;
-$modal-footer-border-width:   $modal-header-border-width !default;
-$modal-header-padding:        15px !default;
+$modal-backdrop-bg:                 $black !default;
+$modal-backdrop-opacity:            .5 !default;
+$modal-header-border-color:         $gray-200 !default;
+$modal-footer-border-color:         $modal-header-border-color !default;
+$modal-header-border-width:         $modal-content-border-width !default;
+$modal-footer-border-width:         $modal-header-border-width !default;
+$modal-header-padding:              15px !default;
 
-$modal-lg:                    800px !default;
-$modal-md:                    500px !default;
-$modal-sm:                    300px !default;
+$modal-lg:                          800px !default;
+$modal-md:                          500px !default;
+$modal-sm:                          300px !default;
 
-$modal-transition:            transform .3s ease-out !default;
+$modal-transition:                  transform .3s ease-out !default;
 
 
 // Alerts
 //
 // Define alert colors, border radius, and padding.
 
-$alert-padding-y:             .75rem !default;
-$alert-padding-x:             1.25rem !default;
-$alert-margin-bottom:         1rem !default;
-$alert-border-radius:         $border-radius !default;
-$alert-link-font-weight:      $font-weight-bold !default;
-$alert-border-width:          $border-width !default;
+$alert-padding-y:                   .75rem !default;
+$alert-padding-x:                   1.25rem !default;
+$alert-margin-bottom:               1rem !default;
+$alert-border-radius:               $border-radius !default;
+$alert-link-font-weight:            $font-weight-bold !default;
+$alert-border-width:                $border-width !default;
 
 
 // Progress bars
 
-$progress-height:               1rem !default;
-$progress-font-size:            .75rem !default;
-$progress-bg:                   $gray-200 !default;
-$progress-border-radius:        $border-radius !default;
-$progress-box-shadow:           inset 0 .1rem .1rem rgba($black,.1) !default;
-$progress-bar-color:            $white !default;
-$progress-bar-bg:               theme-color("primary") !default;
-$progress-bar-animation-timing: 1s linear infinite !default;
-$progress-bar-transition:       width .6s ease !default;
+$progress-height:                   1rem !default;
+$progress-font-size:                ($font-size-base * .75) !default;
+$progress-bg:                       $gray-200 !default;
+$progress-border-radius:            $border-radius !default;
+$progress-box-shadow:               inset 0 .1rem .1rem rgba($black,.1) !default;
+$progress-bar-color:                $white !default;
+$progress-bar-bg:                   theme-color("primary") !default;
+$progress-bar-animation-timing:     1s linear infinite !default;
+$progress-bar-transition:           width .6s ease !default;
 
 // List group
 
-$list-group-bg:                  $white !default;
-$list-group-border-color:        rgba($black,.125) !default;
-$list-group-border-width:        $border-width !default;
-$list-group-border-radius:       $border-radius !default;
+$list-group-bg:                     $white !default;
+$list-group-border-color:           rgba($black,.125) !default;
+$list-group-border-width:           $border-width !default;
+$list-group-border-radius:          $border-radius !default;
 
-$list-group-item-padding-y:      .75rem !default;
-$list-group-item-padding-x:      1.25rem !default;
+$list-group-item-padding-y:         .75rem !default;
+$list-group-item-padding-x:         1.25rem !default;
 
-$list-group-hover-bg:                 $gray-100 !default;
-$list-group-active-color:             $component-active-color !default;
-$list-group-active-bg:                $component-active-bg !default;
-$list-group-active-border-color:      $list-group-active-bg !default;
+$list-group-hover-bg:               $gray-100 !default;
+$list-group-active-color:           $component-active-color !default;
+$list-group-active-bg:              $component-active-bg !default;
+$list-group-active-border-color:    $list-group-active-bg !default;
 
-$list-group-disabled-color:      $gray-600 !default;
-$list-group-disabled-bg:         $list-group-bg !default;
+$list-group-disabled-color:         $gray-600 !default;
+$list-group-disabled-bg:            $list-group-bg !default;
 
-$list-group-action-color:             $gray-700 !default;
-$list-group-action-hover-color:       $list-group-action-color !default;
+$list-group-action-color:           $gray-700 !default;
+$list-group-action-hover-color:     $list-group-action-color !default;
 
-$list-group-action-active-color:      $body-color !default;
-$list-group-action-active-bg:         $gray-200 !default;
+$list-group-action-active-color:    $body-color !default;
+$list-group-action-active-bg:       $gray-200 !default;
 
 
 // Image thumbnails
 
-$thumbnail-padding:           .25rem !default;
-$thumbnail-bg:                $body-bg !default;
-$thumbnail-border-width:      $border-width !default;
-$thumbnail-border-color:      #ddd !default;
-$thumbnail-border-radius:     $border-radius !default;
-$thumbnail-box-shadow:        0 1px 2px rgba($black,.075) !default;
-$thumbnail-transition:        all .2s ease-in-out !default;
+$thumbnail-padding:                 .25rem !default;
+$thumbnail-bg:                      $body-bg !default;
+$thumbnail-border-width:            $border-width !default;
+$thumbnail-border-color:            #ddd !default;
+$thumbnail-border-radius:           $border-radius !default;
+$thumbnail-box-shadow:              0 1px 2px rgba($black,.075) !default;
+$thumbnail-transition:              all .2s ease-in-out !default;
 
 
 // Figures
 
-$figure-caption-font-size: 90% !default;
-$figure-caption-color:     $gray-600 !default;
+$figure-caption-font-size:          90% !default;
+$figure-caption-color:              $gray-600 !default;
 
 
 // Breadcrumbs
 
-$breadcrumb-padding-y:          .75rem !default;
-$breadcrumb-padding-x:          1rem !default;
-$breadcrumb-item-padding:       .5rem !default;
+$breadcrumb-padding-y:              .75rem !default;
+$breadcrumb-padding-x:              1rem !default;
+$breadcrumb-item-padding:           .5rem !default;
 
-$breadcrumb-bg:                 $gray-200 !default;
-$breadcrumb-divider-color:      $gray-600 !default;
-$breadcrumb-active-color:       $gray-600 !default;
-$breadcrumb-divider:            "/" !default;
+$breadcrumb-margin-bottom:          1rem !default;
+
+$breadcrumb-bg:                     $gray-200 !default;
+$breadcrumb-divider-color:          $gray-600 !default;
+$breadcrumb-active-color:           $gray-600 !default;
+$breadcrumb-divider:                "/" !default;
 
 
 // Carousel
 
-$carousel-control-color:                      $white !default;
-$carousel-control-width:                      15% !default;
-$carousel-control-opacity:                    .5 !default;
+$carousel-control-color:            $white !default;
+$carousel-control-width:            15% !default;
+$carousel-control-opacity:          .5 !default;
 
-$carousel-indicator-width:                    30px !default;
-$carousel-indicator-height:                   3px !default;
-$carousel-indicator-spacer:                   3px !default;
-$carousel-indicator-active-bg:                $white !default;
+$carousel-indicator-width:          30px !default;
+$carousel-indicator-height:         3px !default;
+$carousel-indicator-spacer:         3px !default;
+$carousel-indicator-active-bg:      $white !default;
 
-$carousel-caption-width:                      70% !default;
-$carousel-caption-color:                      $white !default;
+$carousel-caption-width:            70% !default;
+$carousel-caption-color:            $white !default;
 
-$carousel-control-icon-width:                 20px !default;
+$carousel-control-icon-width:       20px !default;
 
-$carousel-control-prev-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M4 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$carousel-control-next-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M1.5 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$carousel-control-prev-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$carousel-control-next-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$carousel-transition:           transform .6s ease !default;
+$carousel-transition:               transform .6s ease !default;
 
 
 // Close
 
-$close-font-size:             $font-size-base * 1.5 !default;
-$close-font-weight:           $font-weight-bold !default;
-$close-color:                 $black !default;
-$close-text-shadow:           0 1px 0 $white !default;
+$close-font-size:                   $font-size-base * 1.5 !default;
+$close-font-weight:                 $font-weight-bold !default;
+$close-color:                       $black !default;
+$close-text-shadow:                 0 1px 0 $white !default;
 
 // Code
 
-$code-font-size:              90% !default;
-$code-padding-y:              .2rem !default;
-$code-padding-x:              .4rem !default;
-$code-color:                  #bd4147 !default;
-$code-bg:                     $gray-100 !default;
+$code-font-size:                    90% !default;
+$code-padding-y:                    .2rem !default;
+$code-padding-x:                    .4rem !default;
+$code-color:                        #bd4147 !default;
+$code-bg:                           $gray-100 !default;
 
-$kbd-color:                   $white !default;
-$kbd-bg:                      $gray-900 !default;
+$kbd-color:                         $white !default;
+$kbd-bg:                            $gray-900 !default;
 
-$pre-color:                   $gray-900 !default;
-$pre-scrollable-max-height:   340px !default;
+$pre-color:                         $gray-900 !default;
+$pre-scrollable-max-height:         340px !default;
diff --git a/React_Full_Project/scss/bootstrap/bootstrap-grid.scss b/React_Full_Project/scss/bootstrap/bootstrap-grid.scss
index 4b2bddd..d7d4e78 100755
--- a/React_Full_Project/scss/bootstrap/bootstrap-grid.scss
+++ b/React_Full_Project/scss/bootstrap/bootstrap-grid.scss
@@ -1,14 +1,12 @@
-// Bootstrap Grid only
-//
-// Includes relevant variables and mixins for the flexbox grid
-// system, as well as the generated predefined classes (e.g., `.col-sm-4`).
-
-//
-// Box sizing, responsive, and more
-//
+/*!
+ * Bootstrap Grid v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 
 @at-root {
-  @-ms-viewport { width: device-width; }
+  @-ms-viewport { width: device-width; } // stylelint-disable-line at-rule-no-vendor-prefix
 }
 
 html {
diff --git a/React_Full_Project/scss/bootstrap/bootstrap-reboot.scss b/React_Full_Project/scss/bootstrap/bootstrap-reboot.scss
index 2700a57..3bc8760 100755
--- a/React_Full_Project/scss/bootstrap/bootstrap-reboot.scss
+++ b/React_Full_Project/scss/bootstrap/bootstrap-reboot.scss
@@ -1,9 +1,12 @@
-// Bootstrap Reboot only
-//
-// Includes only Normalize and our custom Reboot reset.
+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 
 @import "functions";
 @import "variables";
 @import "mixins";
-
 @import "reboot";
diff --git a/React_Full_Project/scss/bootstrap/bootstrap.scss b/React_Full_Project/scss/bootstrap/bootstrap.scss
index 648f446..bfeffac 100755
--- a/React_Full_Project/scss/bootstrap/bootstrap.scss
+++ b/React_Full_Project/scss/bootstrap/bootstrap.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -8,6 +8,7 @@
 @import "functions";
 @import "variables";
 @import "mixins";
+@import "root";
 @import "print";
 @import "reboot";
 @import "type";
diff --git a/React_Full_Project/scss/bootstrap/mixins/_alert.scss b/React_Full_Project/scss/bootstrap/mixins/_alert.scss
index d938e89..db5a7eb 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_alert.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_alert.scss
@@ -1,6 +1,6 @@
 @mixin alert-variant($background, $border, $color) {
   color: $color;
-  background-color: $background;
+  @include gradient-bg($background);
   border-color: $border;
 
   hr {
diff --git a/React_Full_Project/scss/bootstrap/mixins/_background-variant.scss b/React_Full_Project/scss/bootstrap/mixins/_background-variant.scss
index 54a734d..7d1bc97 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_background-variant.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_background-variant.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Contextual backgrounds
 
 @mixin bg-variant($parent, $color) {
@@ -10,3 +12,9 @@
     }
   }
 }
+
+@mixin bg-gradient-variant($parent, $color) {
+  #{$parent} {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
+  }
+}
diff --git a/React_Full_Project/scss/bootstrap/mixins/_badge.scss b/React_Full_Project/scss/bootstrap/mixins/_badge.scss
index 257a6ab..eeca0b4 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_badge.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_badge.scss
@@ -1,10 +1,10 @@
 @mixin badge-variant($bg) {
-  @include color-yiq($bg);
+  color: color-yiq($bg);
   background-color: $bg;
 
   &[href] {
     @include hover-focus {
-      @include color-yiq($bg);
+      color: color-yiq($bg);
       text-decoration: none;
       background-color: darken($bg, 10%);
     }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_breakpoints.scss b/React_Full_Project/scss/bootstrap/mixins/_breakpoints.scss
index 8d7378d..a9866bd 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_breakpoints.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_breakpoints.scss
@@ -81,8 +81,18 @@
   $min: breakpoint-min($lower, $breakpoints);
   $max: breakpoint-max($upper, $breakpoints);
 
-  @media (min-width: $min) and (max-width: $max) {
-    @content;
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($lower) {
+      @content;
+    }
+  } @else if $min == null {
+    @include media-breakpoint-down($upper) {
+      @content;
+    }
   }
 }
 
@@ -98,8 +108,12 @@
       @content;
     }
   } @else if $max == null {
-    @include media-breakpoint-up($name)
+    @include media-breakpoint-up($name) {
+      @content;
+    }
   } @else if $min == null {
-    @include media-breakpoint-down($name)
+    @include media-breakpoint-down($name) {
+      @content;
+    }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_buttons.scss b/React_Full_Project/scss/bootstrap/mixins/_buttons.scss
index f7ec576..9e06261 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_buttons.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_buttons.scss
@@ -3,25 +3,25 @@
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 
-@mixin button-variant($background, $border, $active-background: darken($background, 7.5%), $active-border: darken($border, 10%)) {
-  @include color-yiq($background);
-  background-color: $background;
+@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
+  color: color-yiq($background);
+  @include gradient-bg($background);
   border-color: $border;
   @include box-shadow($btn-box-shadow);
 
-  &:hover {
-    @include color-yiq($background);
-    background-color: $active-background;
-    border-color: $active-border;
+  @include hover {
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
   }
 
   &:focus,
   &.focus {
     // Avoid using mixin so we can pass custom focus shadow properly
     @if $enable-shadows {
-      box-shadow: $btn-box-shadow, 0 0 0 3px rgba($border, .5);
+      box-shadow: $btn-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
     } @else {
-      box-shadow: 0 0 0 3px rgba($border, .5);
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
     }
   }
 
@@ -32,13 +32,22 @@
     border-color: $border;
   }
 
-  &:active,
-  &.active,
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
     background-color: $active-background;
-    background-image: none; // Remove the gradient for the pressed/active state
+    @if $enable-gradients {
+      background-image: none; // Remove the gradient for the pressed/active state
+    }
     border-color: $active-border;
-    @include box-shadow($btn-active-box-shadow);
+
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $btn-active-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
+    } @else {
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
+    }
   }
 }
 
@@ -56,7 +65,7 @@
 
   &:focus,
   &.focus {
-    box-shadow: 0 0 0 3px rgba($color, .5);
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 
   &.disabled,
@@ -65,12 +74,14 @@
     background-color: transparent;
   }
 
-  &:active,
-  &.active,
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
     color: $color-hover;
     background-color: $color;
     border-color: $color;
+    // Avoid using mixin so we can pass custom focus shadow properly
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 }
 
diff --git a/React_Full_Project/scss/bootstrap/mixins/_caret.scss b/React_Full_Project/scss/bootstrap/mixins/_caret.scss
new file mode 100755
index 0000000..daab9d0
--- /dev/null
+++ b/React_Full_Project/scss/bootstrap/mixins/_caret.scss
@@ -0,0 +1,35 @@
+@mixin caret-down {
+  border-top: $caret-width solid;
+  border-right: $caret-width solid transparent;
+  border-bottom: 0;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-up {
+  border-top: 0;
+  border-right: $caret-width solid transparent;
+  border-bottom: $caret-width solid;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret($direction: down) {
+  @if $enable-caret {
+    &::after {
+      display: inline-block;
+      width: 0;
+      height: 0;
+      margin-left: $caret-width * .85;
+      vertical-align: $caret-width * .85;
+      content: "";
+      @if $direction == down {
+        @include caret-down;
+      } @else if $direction == up {
+        @include caret-up;
+      }
+    }
+
+    &:empty::after {
+      margin-left: 0;
+    }
+  }
+}
diff --git a/React_Full_Project/scss/bootstrap/mixins/_float.scss b/React_Full_Project/scss/bootstrap/mixins/_float.scss
index b43116f..48fa8b6 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_float.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_float.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 @mixin float-left {
   float: left !important;
 }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_forms.scss b/React_Full_Project/scss/bootstrap/mixins/_forms.scss
index 4a1e0bc..19d5280 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_forms.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_forms.scss
@@ -1,7 +1,7 @@
 // Form control focus state
 //
 // Generate a customized focus state and for any input with the specified color,
-// which defaults to the `@input-border-color-focus` variable.
+// which defaults to the `$input-focus-border-color` variable.
 //
 // We highly encourage you to not customize the default value, but instead use
 // this to tweak colors on an as-needed basis. This aesthetic change is based on
@@ -16,13 +16,40 @@
     background-color: $input-focus-bg;
     border-color: $input-focus-border-color;
     outline: none;
-    @include box-shadow($input-focus-box-shadow);
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $input-box-shadow, $input-btn-focus-box-shadow;
+    } @else {
+      box-shadow: $input-btn-focus-box-shadow;
+    }
   }
 }
 
 
 @mixin form-validation-state($state, $color) {
 
+  .#{$state}-feedback {
+    display: none;
+    margin-top: .25rem;
+    font-size: .875rem;
+    color: $color;
+  }
+
+  .#{$state}-tooltip {
+    position: absolute;
+    top: 100%;
+    z-index: 5;
+    display: none;
+    width: 250px;
+    padding: .5rem;
+    margin-top: .1rem;
+    font-size: .875rem;
+    line-height: 1;
+    color: #fff;
+    background-color: rgba($color,.8);
+    border-radius: .2rem;
+  }
+
   .form-control,
   .custom-select {
     .was-validated &:#{$state},
@@ -33,8 +60,8 @@
         box-shadow: 0 0 0 .2rem rgba($color,.25);
       }
 
-      ~ .invalid-feedback,
-      ~ .invalid-tooltip {
+      ~ .#{$state}-feedback,
+      ~ .#{$state}-tooltip {
         display: block;
       }
     }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_gradients.scss b/React_Full_Project/scss/bootstrap/mixins/_gradients.scss
index bad79f9..ecd01f7 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_gradients.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_gradients.scss
@@ -1,5 +1,13 @@
 // Gradients
 
+@mixin gradient-bg($color) {
+  @if $enable-gradients {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
+  } @else {
+    background-color: $color;
+  }
+}
+
 // Horizontal gradient, from left to right
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
diff --git a/React_Full_Project/scss/bootstrap/mixins/_grid-framework.scss b/React_Full_Project/scss/bootstrap/mixins/_grid-framework.scss
index d8195dd..41bdf46 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_grid-framework.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_grid-framework.scss
@@ -10,7 +10,7 @@
     width: 100%;
     min-height: 1px; // Prevent columns from collapsing when empty
     padding-right: ($gutter / 2);
-    padding-left:  ($gutter / 2);
+    padding-left: ($gutter / 2);
   }
 
   @each $breakpoint in map-keys($breakpoints) {
@@ -46,11 +46,24 @@
         }
       }
 
+      .order#{$infix}-first {
+        order: -1;
+      }
+
       @for $i from 1 through $columns {
         .order#{$infix}-#{$i} {
           order: $i;
         }
       }
+
+      // `$columns - 1` because offsetting by the width of an entire row isn't possible
+      @for $i from 0 through ($columns - 1) {
+        @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
+          .offset#{$infix}-#{$i} {
+            @include make-col-offset($i, $columns);
+          }
+        }
+      }
     }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_grid.scss b/React_Full_Project/scss/bootstrap/mixins/_grid.scss
index 67dbcd3..b75ebcb 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_grid.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_grid.scss
@@ -3,11 +3,11 @@
 // Generate semantic grid columns with these mixins.
 
 @mixin make-container() {
+  width: 100%;
+  padding-right: ($grid-gutter-width / 2);
+  padding-left: ($grid-gutter-width / 2);
   margin-right: auto;
   margin-left: auto;
-  padding-right: ($grid-gutter-width / 2);
-  padding-left:  ($grid-gutter-width / 2);
-  width: 100%;
 }
 
 
@@ -24,7 +24,7 @@
   display: flex;
   flex-wrap: wrap;
   margin-right: ($grid-gutter-width / -2);
-  margin-left:  ($grid-gutter-width / -2);
+  margin-left: ($grid-gutter-width / -2);
 }
 
 @mixin make-col-ready() {
@@ -35,7 +35,7 @@
   width: 100%;
   min-height: 1px; // Prevent collapsing
   padding-right: ($grid-gutter-width / 2);
-  padding-left:  ($grid-gutter-width / 2);
+  padding-left: ($grid-gutter-width / 2);
 }
 
 @mixin make-col($size, $columns: $grid-columns) {
@@ -45,3 +45,8 @@
   // do not appear to require this.
   max-width: percentage($size / $columns);
 }
+
+@mixin make-col-offset($size, $columns: $grid-columns) {
+  $num: $size / $columns;
+  margin-left: if($num == 0, 0, percentage($num));
+}
diff --git a/React_Full_Project/scss/bootstrap/mixins/_hover.scss b/React_Full_Project/scss/bootstrap/mixins/_hover.scss
index 4aa4b1d..fd2f1e2 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_hover.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_hover.scss
@@ -1,3 +1,4 @@
+// stylelint-disable indentation
 @mixin hover {
   // TODO: re-enable along with mq4-hover-shim
 //  @if $enable-hover-media-query {
@@ -8,21 +9,21 @@
 //    }
 //  }
 //  @else {
-// scss-lint:disable Indentation
-    &:hover { @content }
-// scss-lint:enable Indentation
+    &:hover { @content; }
 //  }
 }
 
 
 @mixin hover-focus {
   @if $enable-hover-media-query {
-    &:focus { @content }
-    @include hover { @content }
+    &:focus {
+      @content;
+    }
+    @include hover { @content; }
   } @else {
     &:focus,
     &:hover {
-      @content
+      @content;
     }
   }
 }
@@ -31,14 +32,14 @@
   @if $enable-hover-media-query {
     &,
     &:focus {
-      @content
+      @content;
     }
-    @include hover { @content }
+    @include hover { @content; }
   } @else {
     &,
     &:focus,
     &:hover {
-      @content
+      @content;
     }
   }
 }
@@ -47,14 +48,14 @@
   @if $enable-hover-media-query {
     &:focus,
     &:active {
-      @content
+      @content;
     }
-    @include hover { @content }
+    @include hover { @content; }
   } @else {
     &:focus,
     &:active,
     &:hover {
-      @content
+      @content;
     }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_image.scss b/React_Full_Project/scss/bootstrap/mixins/_image.scss
index c2b45f2..0544f0d 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_image.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_image.scss
@@ -20,15 +20,15 @@
 //
 // Short retina mixin for setting background-image and -size.
 
+// stylelint-disable indentation, media-query-list-comma-newline-after
 @mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
   background-image: url($file-1x);
 
   // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,
   // but doesn't convert dppx=>dpi.
   // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.
-  // Compatibility info: http://caniuse.com/#feat=css-media-resolution
-  @media
-  only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
+  // Compatibility info: https://caniuse.com/#feat=css-media-resolution
+  @media only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
   only screen and (min-resolution: 2dppx) { // Standardized
     background-image: url($file-2x);
     background-size: $width-1x $height-1x;
diff --git a/React_Full_Project/scss/bootstrap/mixins/_list-group.scss b/React_Full_Project/scss/bootstrap/mixins/_list-group.scss
index ba27b50..278787b 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_list-group.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_list-group.scss
@@ -6,7 +6,6 @@
     background-color: $background;
   }
 
-  //scss-lint:disable QualifyingElement
   a.list-group-item-#{$state},
   button.list-group-item-#{$state} {
     color: $color;
@@ -22,5 +21,4 @@
       border-color: $color;
     }
   }
-  // scss-lint:enable QualifyingElement
 }
diff --git a/React_Full_Project/scss/bootstrap/mixins/_navbar-align.scss b/React_Full_Project/scss/bootstrap/mixins/_navbar-align.scss
index c454a4f..b351660 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_navbar-align.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_navbar-align.scss
@@ -1,7 +1,8 @@
 // Navbar vertical align
 //
 // Vertically center elements in the navbar.
-// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
+// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);`
+// to calculate the appropriate top margin.
 
 // @mixin navbar-vertical-align($element-height) {
 //   margin-top: (($navbar-height - $element-height) / 2);
diff --git a/React_Full_Project/scss/bootstrap/mixins/_reset-text.scss b/React_Full_Project/scss/bootstrap/mixins/_reset-text.scss
index 4cf9e79..71edb00 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_reset-text.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_reset-text.scss
@@ -1,4 +1,3 @@
-// scss-lint:disable DuplicateProperty
 @mixin reset-text {
   font-family: $font-family-base;
   // We deliberately do NOT reset font-size or word-wrap.
@@ -6,7 +5,7 @@
   font-weight: $font-weight-normal;
   line-height: $line-height-base;
   text-align: left; // Fallback for where `start` is not supported
-  text-align: start;
+  text-align: start; // stylelint-disable-line declaration-block-no-duplicate-properties
   text-decoration: none;
   text-shadow: none;
   text-transform: none;
diff --git a/React_Full_Project/scss/bootstrap/mixins/_screen-reader.scss b/React_Full_Project/scss/bootstrap/mixins/_screen-reader.scss
index a5fa51c..31fb68a 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_screen-reader.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_screen-reader.scss
@@ -1,7 +1,7 @@
 // Only display content to screen readers
 //
-// See: http://a11yproject.com/posts/how-to-hide-content
-// See: http://hugogiraudel.com/2016/10/13/css-hide-and-seek/
+// See: http://a11yproject.com/posts/how-to-hide-content/
+// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
 
 @mixin sr-only {
   position: absolute;
diff --git a/React_Full_Project/scss/bootstrap/mixins/_text-emphasis.scss b/React_Full_Project/scss/bootstrap/mixins/_text-emphasis.scss
index 9cd4b6a..58db3e0 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_text-emphasis.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_text-emphasis.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Typography
 
 @mixin text-emphasis-variant($parent, $color) {
diff --git a/React_Full_Project/scss/bootstrap/mixins/_visibility.scss b/React_Full_Project/scss/bootstrap/mixins/_visibility.scss
index f67fc1c..fe523d0 100755
--- a/React_Full_Project/scss/bootstrap/mixins/_visibility.scss
+++ b/React_Full_Project/scss/bootstrap/mixins/_visibility.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Visibility
 
 @mixin invisible($visibility) {
diff --git a/React_Full_Project/scss/bootstrap/utilities/_align.scss b/React_Full_Project/scss/bootstrap/utilities/_align.scss
index 4dbbbc2..8b7df9f 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_align.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_align.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 .align-baseline    { vertical-align: baseline !important; } // Browser default
 .align-top         { vertical-align: top !important; }
 .align-middle      { vertical-align: middle !important; }
diff --git a/React_Full_Project/scss/bootstrap/utilities/_background.scss b/React_Full_Project/scss/bootstrap/utilities/_background.scss
index 1ef34fd..1f18b2f 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_background.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_background.scss
@@ -1,6 +1,19 @@
+// stylelint-disable declaration-no-important
+
 @each $color, $value in $theme-colors {
-  @include bg-variant('.bg-#{$color}', $value);
+  @include bg-variant(".bg-#{$color}", $value);
 }
 
-.bg-white { background-color: $white !important; }
-.bg-transparent { background-color: transparent !important; }
+@if $enable-gradients {
+  @each $color, $value in $theme-colors {
+    @include bg-gradient-variant(".bg-gradient-#{$color}", $value);
+  }
+}
+
+.bg-white {
+  background-color: $white !important;
+}
+
+.bg-transparent {
+  background-color: transparent !important;
+}
diff --git a/React_Full_Project/scss/bootstrap/utilities/_borders.scss b/React_Full_Project/scss/bootstrap/utilities/_borders.scss
index 82e177c..ba02f04 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_borders.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_borders.scss
@@ -1,8 +1,10 @@
+// stylelint-disable declaration-no-important
+
 //
 // Border
 //
 
-.border          { border: 1px solid $gray-200 !important; }
+.border          { border: $border-width solid $border-color !important; }
 .border-0        { border: 0 !important; }
 .border-top-0    { border-top: 0 !important; }
 .border-right-0  { border-right: 0 !important; }
@@ -44,9 +46,9 @@
 }
 
 .rounded-circle {
-  border-radius: 50%;
+  border-radius: 50% !important;
 }
 
 .rounded-0 {
-  border-radius: 0;
+  border-radius: 0 !important;
 }
diff --git a/React_Full_Project/scss/bootstrap/utilities/_display.scss b/React_Full_Project/scss/bootstrap/utilities/_display.scss
index 4535362..893b638 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_display.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_display.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 //
 // Utilities for common `display` values
 //
@@ -11,6 +13,7 @@
     .d#{$infix}-inline-block { display: inline-block !important; }
     .d#{$infix}-block        { display: block !important; }
     .d#{$infix}-table        { display: table !important; }
+    .d#{$infix}-table-row    { display: table-row !important; }
     .d#{$infix}-table-cell   { display: table-cell !important; }
     .d#{$infix}-flex         { display: flex !important; }
     .d#{$infix}-inline-flex  { display: inline-flex !important; }
diff --git a/React_Full_Project/scss/bootstrap/utilities/_flex.scss b/React_Full_Project/scss/bootstrap/utilities/_flex.scss
index b28c0b9..8e47038 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_flex.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_flex.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Flex variation
 //
 // Custom styles for additional flex alignment options.
diff --git a/React_Full_Project/scss/bootstrap/utilities/_position.scss b/React_Full_Project/scss/bootstrap/utilities/_position.scss
index 74b8d39..ef962ed 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_position.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_position.scss
@@ -1,4 +1,15 @@
-// Positioning
+// stylelint-disable declaration-no-important
+
+// Common values
+
+// Sass list not in variables since it's not intended for customization.
+$positions: static, relative, absolute, fixed, sticky;
+
+@each $position in $positions {
+  .position-#{$position} { position: $position !important; }
+}
+
+// Shorthand
 
 .fixed-top {
   position: fixed;
diff --git a/React_Full_Project/scss/bootstrap/utilities/_sizing.scss b/React_Full_Project/scss/bootstrap/utilities/_sizing.scss
index a7dc3e4..e95a4db 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_sizing.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_sizing.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Width and height
 
 @each $prop, $abbrev in (width: w, height: h) {
diff --git a/React_Full_Project/scss/bootstrap/utilities/_spacing.scss b/React_Full_Project/scss/bootstrap/utilities/_spacing.scss
index c89816b..b2e2354 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_spacing.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_spacing.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Margin and Padding
 
 @each $breakpoint in map-keys($grid-breakpoints) {
@@ -7,35 +9,43 @@
     @each $prop, $abbrev in (margin: m, padding: p) {
       @each $size, $length in $spacers {
 
-        .#{$abbrev}#{$infix}-#{$size}  { #{$prop}:        $length !important; }
-        .#{$abbrev}t#{$infix}-#{$size} { #{$prop}-top:    $length !important; }
-        .#{$abbrev}r#{$infix}-#{$size} { #{$prop}-right:  $length !important; }
-        .#{$abbrev}b#{$infix}-#{$size} { #{$prop}-bottom: $length !important; }
-        .#{$abbrev}l#{$infix}-#{$size} { #{$prop}-left:   $length !important; }
+        .#{$abbrev}#{$infix}-#{$size} { #{$prop}: $length !important; }
+        .#{$abbrev}t#{$infix}-#{$size},
+        .#{$abbrev}y#{$infix}-#{$size} {
+          #{$prop}-top: $length !important;
+        }
+        .#{$abbrev}r#{$infix}-#{$size},
         .#{$abbrev}x#{$infix}-#{$size} {
           #{$prop}-right: $length !important;
-          #{$prop}-left:  $length !important;
         }
+        .#{$abbrev}b#{$infix}-#{$size},
         .#{$abbrev}y#{$infix}-#{$size} {
-          #{$prop}-top:    $length !important;
           #{$prop}-bottom: $length !important;
         }
+        .#{$abbrev}l#{$infix}-#{$size},
+        .#{$abbrev}x#{$infix}-#{$size} {
+          #{$prop}-left: $length !important;
+        }
       }
     }
 
     // Some special margin utils
-    .m#{$infix}-auto  { margin:        auto !important; }
-    .mt#{$infix}-auto { margin-top:    auto !important; }
-    .mr#{$infix}-auto { margin-right:  auto !important; }
-    .mb#{$infix}-auto { margin-bottom: auto !important; }
-    .ml#{$infix}-auto { margin-left:   auto !important; }
+    .m#{$infix}-auto { margin: auto !important; }
+    .mt#{$infix}-auto,
+    .my#{$infix}-auto {
+      margin-top: auto !important;
+    }
+    .mr#{$infix}-auto,
     .mx#{$infix}-auto {
       margin-right: auto !important;
-      margin-left:  auto !important;
     }
+    .mb#{$infix}-auto,
     .my#{$infix}-auto {
-      margin-top:    auto !important;
       margin-bottom: auto !important;
     }
+    .ml#{$infix}-auto,
+    .mx#{$infix}-auto {
+      margin-left: auto !important;
+    }
   }
 }
diff --git a/React_Full_Project/scss/bootstrap/utilities/_text.scss b/React_Full_Project/scss/bootstrap/utilities/_text.scss
index d337e0d..f4b6e65 100755
--- a/React_Full_Project/scss/bootstrap/utilities/_text.scss
+++ b/React_Full_Project/scss/bootstrap/utilities/_text.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 //
 // Text
 //
@@ -28,16 +30,17 @@
 
 // Weight and italics
 
-.font-weight-normal { font-weight: $font-weight-normal; }
-.font-weight-bold   { font-weight: $font-weight-bold; }
-.font-italic        { font-style: italic; }
+.font-weight-light  { font-weight: $font-weight-light !important; }
+.font-weight-normal { font-weight: $font-weight-normal !important; }
+.font-weight-bold   { font-weight: $font-weight-bold !important; }
+.font-italic        { font-style: italic !important; }
 
 // Contextual colors
 
 .text-white { color: #fff !important; }
 
 @each $color, $value in $theme-colors {
-  @include text-emphasis-variant('.text-#{$color}', $value);
+  @include text-emphasis-variant(".text-#{$color}", $value);
 }
 
 .text-muted { color: $text-muted !important; }
diff --git a/React_Full_Project/scss/core/_breadcrumb-menu.scss b/React_Full_Project/scss/core/_breadcrumb-menu.scss
index 4e70539..dbbe07e 100644
--- a/React_Full_Project/scss/core/_breadcrumb-menu.scss
+++ b/React_Full_Project/scss/core/_breadcrumb-menu.scss
@@ -1,19 +1,19 @@
 .breadcrumb-menu {
-  position: absolute;
-  top: 0;
-  right: $breadcrumb-padding-x;
+  margin-left: auto;
 
   &::before {
     display: none;
   }
 
-  .btn {
-    padding-top: $breadcrumb-padding-y;
-    padding-bottom: $breadcrumb-padding-y;
+  .btn-group {
+    vertical-align: top;
   }
 
   .btn {
+    padding: 0 $input-btn-padding-x;
     color: $text-muted;
+    vertical-align: top;
+    border: 0;
 
     &:hover, &.active {
       color: $body-color;
diff --git a/React_Full_Project/scss/core/_breadcrumb.scss b/React_Full_Project/scss/core/_breadcrumb.scss
index ef2d295..d8a003d 100644
--- a/React_Full_Project/scss/core/_breadcrumb.scss
+++ b/React_Full_Project/scss/core/_breadcrumb.scss
@@ -1,6 +1,4 @@
 .breadcrumb {
   position: relative;
-  margin: $breadcrumb-margin;
-
   @include borders($breadcrumb-borders);
 }
diff --git a/React_Full_Project/scss/core/_layout.scss b/React_Full_Project/scss/core/_layout.scss
index 8cc54dd..0234922 100644
--- a/React_Full_Project/scss/core/_layout.scss
+++ b/React_Full_Project/scss/core/_layout.scss
@@ -349,7 +349,7 @@ app-root {
     .sidebar-nav,
     .nav {
       width: $mobile-sidebar-width !important;
-      height: calc(100vh - #{$navbar-height});
+      min-height: calc(100vh - #{$navbar-height});
     }
 
     .sidebar-minimizer {
diff --git a/React_Full_Project/scss/core/_variables.scss b/React_Full_Project/scss/core/_variables.scss
index ea491eb..05c6783 100644
--- a/React_Full_Project/scss/core/_variables.scss
+++ b/React_Full_Project/scss/core/_variables.scss
@@ -176,8 +176,6 @@ $top-nav-active-bg:                   theme-color("primary") !default;
 $top-nav-height:                      $navbar-height - 15px !default;
 
 // Breadcrumb
-
-$breadcrumb-margin:                   0 0 (1.5 * $spacer) 0 !default;
 $breadcrumb-borders: (
   bottom: (
     size:                             1px,
diff --git a/React_Full_Project/scss/style.scss b/React_Full_Project/scss/style.scss
index ebd2d6a..7c2a49d 100644
--- a/React_Full_Project/scss/style.scss
+++ b/React_Full_Project/scss/style.scss
@@ -1,6 +1,6 @@
 /*!
  * CoreUI - Open Source Bootstrap Admin Template
- * @version v1.0.2
+ * @version v1.0.3
  * @link http://coreui.io
  * Copyright (c) 2017 creativeLabs Łukasz Holeczek
  * @license MIT
diff --git a/React_Full_Project/src/components/Aside/package.json b/React_Full_Project/src/components/Aside/package.json
index 283ac3a..ddcd47f 100644
--- a/React_Full_Project/src/components/Aside/package.json
+++ b/React_Full_Project/src/components/Aside/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Aside",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Aside.js"
 }
diff --git a/React_Full_Project/src/components/Breadcrumb/package.json b/React_Full_Project/src/components/Breadcrumb/package.json
index aaa5f49..fce86d0 100644
--- a/React_Full_Project/src/components/Breadcrumb/package.json
+++ b/React_Full_Project/src/components/Breadcrumb/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Breadcrumb",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Breadcrumb.js"
 }
diff --git a/React_Full_Project/src/components/Footer/package.json b/React_Full_Project/src/components/Footer/package.json
index 70f568f..6d556a5 100644
--- a/React_Full_Project/src/components/Footer/package.json
+++ b/React_Full_Project/src/components/Footer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Footer",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Footer.js"
 }
diff --git a/React_Full_Project/src/components/Header/HeaderDropdown.js b/React_Full_Project/src/components/Header/HeaderDropdown.js
index d76764b..407506a 100644
--- a/React_Full_Project/src/components/Header/HeaderDropdown.js
+++ b/React_Full_Project/src/components/Header/HeaderDropdown.js
@@ -27,9 +27,8 @@ class HeaderDropdown extends Component {
   dropAccnt() {
     return (
       <NavDropdown isOpen={this.state.dropdownOpen} toggle={this.toggle}>
-        <DropdownToggle nav caret={this.state.caretVisible}>
+        <DropdownToggle nav>
           <img src={'img/avatars/6.jpg'} className="img-avatar" alt="admin@bootstrapmaster.com"/>
-          <span className="d-md-down-none">admin</span>
         </DropdownToggle>
         <DropdownMenu right>
           <DropdownItem header tag="div" className="text-center"><strong>Account</strong></DropdownItem>
@@ -58,4 +57,4 @@ class HeaderDropdown extends Component {
   }
 }
 
-export default HeaderDropdown;
\ No newline at end of file
+export default HeaderDropdown;
diff --git a/React_Full_Project/src/components/Header/package.json b/React_Full_Project/src/components/Header/package.json
index d09c272..4922a1a 100644
--- a/React_Full_Project/src/components/Header/package.json
+++ b/React_Full_Project/src/components/Header/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Header",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Header.js"
 }
diff --git a/React_Full_Project/src/components/Sidebar/Sidebar.js b/React_Full_Project/src/components/Sidebar/Sidebar.js
index 586bedc..1588853 100644
--- a/React_Full_Project/src/components/Sidebar/Sidebar.js
+++ b/React_Full_Project/src/components/Sidebar/Sidebar.js
@@ -1,7 +1,6 @@
 import React, {Component} from 'react';
 import {NavLink} from 'react-router-dom';
 import {Badge, Nav, NavItem, NavLink as RsNavLink} from 'reactstrap';
-import isExternal from 'is-url-external';
 import classNames from 'classnames';
 import nav from './_nav';
 import SidebarFooter from './../SidebarFooter';
@@ -56,7 +55,10 @@ class Sidebar extends Component {
 
     // nav item with nav link
     const navItem = (item, key) => {
-      const classes = classNames( item.class );
+      const classes = classNames( item.class )
+      const isExternal = (url) => {
+        return url.substring(0, 4) === 'http' ? true : false
+      }
       const variant = classNames( "nav-link", item.variant ? `nav-link-${item.variant}` : "");
       return (
         <NavItem key={key} className={classes}>
diff --git a/React_Full_Project/src/components/Sidebar/package.json b/React_Full_Project/src/components/Sidebar/package.json
index 7c97203..fab8ba4 100644
--- a/React_Full_Project/src/components/Sidebar/package.json
+++ b/React_Full_Project/src/components/Sidebar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Sidebar",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Sidebar.js"
 }
diff --git a/React_Full_Project/src/components/SidebarFooter/package.json b/React_Full_Project/src/components/SidebarFooter/package.json
index 094bff9..ee29da1 100644
--- a/React_Full_Project/src/components/SidebarFooter/package.json
+++ b/React_Full_Project/src/components/SidebarFooter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarFooter",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarFooter.js"
 }
diff --git a/React_Full_Project/src/components/SidebarForm/package.json b/React_Full_Project/src/components/SidebarForm/package.json
index 9ca4206..70eec5b 100644
--- a/React_Full_Project/src/components/SidebarForm/package.json
+++ b/React_Full_Project/src/components/SidebarForm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarForm",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarForm.js"
 }
diff --git a/React_Full_Project/src/components/SidebarHeader/package.json b/React_Full_Project/src/components/SidebarHeader/package.json
index b1bd69f..67276f3 100644
--- a/React_Full_Project/src/components/SidebarHeader/package.json
+++ b/React_Full_Project/src/components/SidebarHeader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarHeader",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarHeader.js"
 }
diff --git a/React_Full_Project/src/components/SidebarMinimizer/package.json b/React_Full_Project/src/components/SidebarMinimizer/package.json
index 03f07a7..948c8f5 100644
--- a/React_Full_Project/src/components/SidebarMinimizer/package.json
+++ b/React_Full_Project/src/components/SidebarMinimizer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarMinimizer",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarMinimizer.js"
 }
diff --git a/React_Full_Project/src/containers/Full/package.json b/React_Full_Project/src/containers/Full/package.json
index b8a7b17..3df2b7a 100644
--- a/React_Full_Project/src/containers/Full/package.json
+++ b/React_Full_Project/src/containers/Full/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Full",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Full.js"
 }
diff --git a/React_Full_Project/src/views/Charts/package.json b/React_Full_Project/src/views/Charts/package.json
index b01b82d..3f66283 100644
--- a/React_Full_Project/src/views/Charts/package.json
+++ b/React_Full_Project/src/views/Charts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Charts",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Charts.js"
 }
diff --git a/React_Full_Project/src/views/Components/Buttons/package.json b/React_Full_Project/src/views/Components/Buttons/package.json
index 5608e9f..9ec2f85 100644
--- a/React_Full_Project/src/views/Components/Buttons/package.json
+++ b/React_Full_Project/src/views/Components/Buttons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Buttons",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Buttons.js"
 }
diff --git a/React_Full_Project/src/views/Components/Cards/package.json b/React_Full_Project/src/views/Components/Cards/package.json
index 4c5cb8a..8ad0c12 100644
--- a/React_Full_Project/src/views/Components/Cards/package.json
+++ b/React_Full_Project/src/views/Components/Cards/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Cards",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Cards.js"
 }
diff --git a/React_Full_Project/src/views/Components/Forms/package.json b/React_Full_Project/src/views/Components/Forms/package.json
index e83d9d8..332ad07 100644
--- a/React_Full_Project/src/views/Components/Forms/package.json
+++ b/React_Full_Project/src/views/Components/Forms/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Forms",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Forms.js"
 }
diff --git a/React_Full_Project/src/views/Components/Modals/package.json b/React_Full_Project/src/views/Components/Modals/package.json
index 7543114..b8c6cc4 100644
--- a/React_Full_Project/src/views/Components/Modals/package.json
+++ b/React_Full_Project/src/views/Components/Modals/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Modals",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Modals.js"
 }
diff --git a/React_Full_Project/src/views/Components/SocialButtons/package.json b/React_Full_Project/src/views/Components/SocialButtons/package.json
index f69ee17..19b5cdb 100644
--- a/React_Full_Project/src/views/Components/SocialButtons/package.json
+++ b/React_Full_Project/src/views/Components/SocialButtons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SocialButtons",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SocialButtons.js"
 }
diff --git a/React_Full_Project/src/views/Components/Switches/Switches.js b/React_Full_Project/src/views/Components/Switches/Switches.js
index 16833cd..9122079 100644
--- a/React_Full_Project/src/views/Components/Switches/Switches.js
+++ b/React_Full_Project/src/views/Components/Switches/Switches.js
@@ -1,5 +1,5 @@
-import React, {Component} from 'react';
-import {Row, Col, Card, CardHeader, CardBody, Label, Input, Table} from 'reactstrap';
+import React, {Component} from "react";
+import {Row, Col, Card, CardHeader, CardBody, Label, Input, Table} from "reactstrap";
 
 class Switches extends Component {
   render() {
diff --git a/React_Full_Project/src/views/Components/Switches/package.json b/React_Full_Project/src/views/Components/Switches/package.json
index e057967..4482c1b 100644
--- a/React_Full_Project/src/views/Components/Switches/package.json
+++ b/React_Full_Project/src/views/Components/Switches/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Switches",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Switches.js"
 }
diff --git a/React_Full_Project/src/views/Components/Tables/package.json b/React_Full_Project/src/views/Components/Tables/package.json
index 12e8401..39e6b01 100644
--- a/React_Full_Project/src/views/Components/Tables/package.json
+++ b/React_Full_Project/src/views/Components/Tables/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Tables",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Tables.js"
 }
diff --git a/React_Full_Project/src/views/Components/Tabs/package.json b/React_Full_Project/src/views/Components/Tabs/package.json
index 5ac2e71..f26010c 100644
--- a/React_Full_Project/src/views/Components/Tabs/package.json
+++ b/React_Full_Project/src/views/Components/Tabs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Tabs",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Tabs.js"
 }
diff --git a/React_Full_Project/src/views/Dashboard/Dashboard.js b/React_Full_Project/src/views/Dashboard/Dashboard.js
index 528d42a..ad6885e 100644
--- a/React_Full_Project/src/views/Dashboard/Dashboard.js
+++ b/React_Full_Project/src/views/Dashboard/Dashboard.js
@@ -992,7 +992,7 @@ class Dashboard extends Component {
                 </Row>
                 <br/>
                 <Table hover responsive className="table-outline mb-0 d-none d-sm-table">
-                  <thead className="thead-default">
+                  <thead className="thead-light">
                   <tr>
                     <th className="text-center"><i className="icon-people"></i></th>
                     <th>User</th>
diff --git a/React_Full_Project/src/views/Dashboard/package.json b/React_Full_Project/src/views/Dashboard/package.json
index 66e2883..ec237ea 100644
--- a/React_Full_Project/src/views/Dashboard/package.json
+++ b/React_Full_Project/src/views/Dashboard/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Dashboard",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Dashboard.js"
 }
diff --git a/React_Full_Project/src/views/Icons/FontAwesome/package.json b/React_Full_Project/src/views/Icons/FontAwesome/package.json
index 693b7f9..b599429 100644
--- a/React_Full_Project/src/views/Icons/FontAwesome/package.json
+++ b/React_Full_Project/src/views/Icons/FontAwesome/package.json
@@ -1,6 +1,6 @@
 {
   "name": "FontAwesome",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./FontAwesome.js"
 }
diff --git a/React_Full_Project/src/views/Icons/SimpleLineIcons/package.json b/React_Full_Project/src/views/Icons/SimpleLineIcons/package.json
index 52c908d..d24181e 100644
--- a/React_Full_Project/src/views/Icons/SimpleLineIcons/package.json
+++ b/React_Full_Project/src/views/Icons/SimpleLineIcons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SimpleLineIcons",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SimpleLineIcons.js"
 }
diff --git a/React_Full_Project/src/views/Pages/Login/Login.js b/React_Full_Project/src/views/Pages/Login/Login.js
index c085530..0e7a290 100644
--- a/React_Full_Project/src/views/Pages/Login/Login.js
+++ b/React_Full_Project/src/views/Pages/Login/Login.js
@@ -9,7 +9,7 @@ class Login extends Component {
         <Container>
           <Row className="justify-content-center">
             <Col md="8">
-              <CardGroup className="mb-0">
+              <CardGroup>
                 <Card className="p-4">
                   <CardBody>
                     <h1>Login</h1>
diff --git a/React_Full_Project/src/views/Pages/Login/package.json b/React_Full_Project/src/views/Pages/Login/package.json
index fe66878..456334c 100644
--- a/React_Full_Project/src/views/Pages/Login/package.json
+++ b/React_Full_Project/src/views/Pages/Login/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Login",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Login.js"
 }
diff --git a/React_Full_Project/src/views/Pages/Page404/package.json b/React_Full_Project/src/views/Pages/Page404/package.json
index c79d27e..b39f3b4 100644
--- a/React_Full_Project/src/views/Pages/Page404/package.json
+++ b/React_Full_Project/src/views/Pages/Page404/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Page404",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Page404.js"
 }
diff --git a/React_Full_Project/src/views/Pages/Page500/package.json b/React_Full_Project/src/views/Pages/Page500/package.json
index 8af1985..a40bdbf 100644
--- a/React_Full_Project/src/views/Pages/Page500/package.json
+++ b/React_Full_Project/src/views/Pages/Page500/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Page500",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Page500.js"
 }
diff --git a/React_Full_Project/src/views/Pages/Register/package.json b/React_Full_Project/src/views/Pages/Register/package.json
index 81afb5b..8723d91 100644
--- a/React_Full_Project/src/views/Pages/Register/package.json
+++ b/React_Full_Project/src/views/Pages/Register/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Register",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Register.js"
 }
diff --git a/React_Full_Project/src/views/Widgets/Widgets.js b/React_Full_Project/src/views/Widgets/Widgets.js
index 73a77f2..172b89c 100644
--- a/React_Full_Project/src/views/Widgets/Widgets.js
+++ b/React_Full_Project/src/views/Widgets/Widgets.js
@@ -107,7 +107,7 @@ class Widgets extends Component {
             <Widget03 dataBox={() => ({variant: "google-plus", followers : "894", circles: "92"})}/>
           </Col>
         </Row>
-        <CardGroup>
+        <CardGroup className="mb-4">
           <Widget04 icon="icon-people" color="info" header="87.500" value="25">Visitors</Widget04>
           <Widget04 icon="icon-user-follow" color="success" header="385" value="25">New Clients</Widget04>
           <Widget04 icon="icon-basket-loaded" color="warning" header="1238" value="25">Products sold</Widget04>
diff --git a/React_Full_Project/src/views/Widgets/package.json b/React_Full_Project/src/views/Widgets/package.json
index e14b155..ad81a4d 100644
--- a/React_Full_Project/src/views/Widgets/package.json
+++ b/React_Full_Project/src/views/Widgets/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Widgets",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Widgets.js"
 }
diff --git a/React_Starter/package.json b/React_Starter/package.json
index 0eeb158..e1b7f4f 100644
--- a/React_Starter/package.json
+++ b/React_Starter/package.json
@@ -32,11 +32,10 @@
     "webpack-dev-server": "^2.9.1"
   },
   "dependencies": {
-    "bootstrap": "^4.0.0-beta",
+    "bootstrap": "^4.0.0-beta.2",
     "chart.js": "2.7.0",
     "font-awesome": "^4.7.0",
     "history": "4.7.2",
-    "is-url-external": "^1.0.3",
     "react": "^16.0.0",
     "react-chartjs-2": "2.6.4",
     "react-dom": "^16.0.0",
diff --git a/React_Starter/scss/_bootstrap-variables.scss b/React_Starter/scss/_bootstrap-variables.scss
index d05c987..9a9c272 100644
--- a/React_Starter/scss/_bootstrap-variables.scss
+++ b/React_Starter/scss/_bootstrap-variables.scss
@@ -76,6 +76,7 @@ $font-size-base:                  0.875rem;
 // Breadcrumbs
 
 $breadcrumb-bg:                   #fff;
+$breadcrumb-margin-bottom:        1.5rem;
 
 // Cards
 
diff --git a/React_Starter/scss/bootstrap/_alert.scss b/React_Starter/scss/bootstrap/_alert.scss
index 3dfd13f..66fba24 100755
--- a/React_Starter/scss/bootstrap/_alert.scss
+++ b/React_Starter/scss/bootstrap/_alert.scss
@@ -3,6 +3,7 @@
 //
 
 .alert {
+  position: relative;
   padding: $alert-padding-y $alert-padding-x;
   margin-bottom: $alert-margin-bottom;
   border: $alert-border-width solid transparent;
@@ -28,9 +29,9 @@
 .alert-dismissible {
   // Adjust close link position
   .close {
-    position: relative;
-    top: -$alert-padding-y;
-    right: -$alert-padding-x;
+    position: absolute;
+    top: 0;
+    right: 0;
     padding: $alert-padding-y $alert-padding-x;
     color: inherit;
   }
diff --git a/React_Starter/scss/bootstrap/_badge.scss b/React_Starter/scss/bootstrap/_badge.scss
index 8a76263..b87a1b0 100755
--- a/React_Starter/scss/bootstrap/_badge.scss
+++ b/React_Starter/scss/bootstrap/_badge.scss
@@ -9,11 +9,10 @@
   font-size: $badge-font-size;
   font-weight: $badge-font-weight;
   line-height: 1;
-  color: $badge-color;
   text-align: center;
   white-space: nowrap;
   vertical-align: baseline;
-  @include border-radius();
+  @include border-radius($badge-border-radius);
 
   // Empty badges collapse automatically
   &:empty {
diff --git a/React_Starter/scss/bootstrap/_breadcrumb.scss b/React_Starter/scss/bootstrap/_breadcrumb.scss
index 2bc0e20..25b9d85 100755
--- a/React_Starter/scss/bootstrap/_breadcrumb.scss
+++ b/React_Starter/scss/bootstrap/_breadcrumb.scss
@@ -1,15 +1,14 @@
 .breadcrumb {
+  display: flex;
+  flex-wrap: wrap;
   padding: $breadcrumb-padding-y $breadcrumb-padding-x;
-  margin-bottom: 1rem;
+  margin-bottom: $breadcrumb-margin-bottom;
   list-style: none;
   background-color: $breadcrumb-bg;
   @include border-radius($border-radius);
-  @include clearfix;
 }
 
 .breadcrumb-item {
-  float: left;
-
   // The separator between breadcrumbs (by default, a forward-slash: "/")
   + .breadcrumb-item::before {
     display: inline-block; // Suppress underlining of the separator in modern browsers
@@ -28,6 +27,7 @@
   + .breadcrumb-item:hover::before {
     text-decoration: underline;
   }
+  // stylelint-disable-next-line no-duplicate-selectors
   + .breadcrumb-item:hover::before {
     text-decoration: none;
   }
diff --git a/React_Starter/scss/bootstrap/_button-group.scss b/React_Starter/scss/bootstrap/_button-group.scss
index 30a14d8..1a373f3 100755
--- a/React_Starter/scss/bootstrap/_button-group.scss
+++ b/React_Starter/scss/bootstrap/_button-group.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable selector-no-qualifying-type
 
 // Make the div behave like a button
 .btn-group,
@@ -10,7 +10,6 @@
   > .btn {
     position: relative;
     flex: 0 1 auto;
-    margin-bottom: 0;
 
     // Bring the hover, focused, and "active" buttons to the front to overlay
     // the borders properly
@@ -48,7 +47,8 @@
   border-radius: 0;
 }
 
-// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
+// Set corners individual because sometimes a single button can be in a .btn-group
+// and we need :first-child and :last-child to both match
 .btn-group > .btn:first-child {
   margin-left: 0;
 
@@ -56,25 +56,30 @@
     @include border-right-radius(0);
   }
 }
-// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
+// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu
+// immediately after it
 .btn-group > .btn:last-child:not(:first-child),
 .btn-group > .dropdown-toggle:not(:first-child) {
   @include border-left-radius(0);
 }
 
-// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
+// Custom edits for including btn-groups within btn-groups (useful for including
+// dropdown buttons within a btn-group)
 .btn-group > .btn-group {
   float: left;
 }
+
 .btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
   border-radius: 0;
 }
+
 .btn-group > .btn-group:first-child:not(:last-child) {
   > .btn:last-child,
   > .dropdown-toggle {
     @include border-right-radius(0);
   }
 }
+
 .btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
   @include border-left-radius(0);
 }
@@ -129,7 +134,6 @@
 //
 
 .btn-group-vertical {
-  display: inline-flex;
   flex-direction: column;
   align-items: flex-start;
   justify-content: center;
@@ -146,31 +150,36 @@
     margin-top: -$input-btn-border-width;
     margin-left: 0;
   }
-}
 
-.btn-group-vertical > .btn {
-  &:not(:first-child):not(:last-child) {
+  > .btn {
+    &:not(:first-child):not(:last-child) {
+      border-radius: 0;
+    }
+
+    &:first-child:not(:last-child) {
+      @include border-bottom-radius(0);
+    }
+
+    &:last-child:not(:first-child) {
+      @include border-top-radius(0);
+    }
+  }
+
+  > .btn-group:not(:first-child):not(:last-child) > .btn {
     border-radius: 0;
   }
-  &:first-child:not(:last-child) {
-    @include border-bottom-radius(0);
+
+  > .btn-group:first-child:not(:last-child) {
+    > .btn:last-child,
+    > .dropdown-toggle {
+      @include border-bottom-radius(0);
+    }
   }
-  &:last-child:not(:first-child) {
+
+  > .btn-group:last-child:not(:first-child) > .btn:first-child {
     @include border-top-radius(0);
   }
 }
-.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
-  border-radius: 0;
-}
-.btn-group-vertical > .btn-group:first-child:not(:last-child) {
-  > .btn:last-child,
-  > .dropdown-toggle {
-    @include border-bottom-radius(0);
-  }
-}
-.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
-  @include border-top-radius(0);
-}
 
 
 // Checkbox and radio options
diff --git a/React_Starter/scss/bootstrap/_buttons.scss b/React_Starter/scss/bootstrap/_buttons.scss
index 607f24a..7cd2783 100755
--- a/React_Starter/scss/bootstrap/_buttons.scss
+++ b/React_Starter/scss/bootstrap/_buttons.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable selector-no-qualifying-type
 
 //
 // Base styles
@@ -22,7 +22,7 @@
   &:focus,
   &.focus {
     outline: 0;
-    box-shadow: $btn-focus-box-shadow;
+    box-shadow: $input-btn-focus-box-shadow;
   }
 
   // Disabled comes first so active can properly restyle
@@ -32,10 +32,10 @@
     @include box-shadow(none);
   }
 
-  &:active,
-  &.active {
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active {
     background-image: none;
-    @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    @include box-shadow($input-btn-focus-box-shadow, $btn-active-box-shadow);
   }
 }
 
@@ -58,7 +58,11 @@ fieldset[disabled] a.btn {
 
 @each $color, $value in $theme-colors {
   .btn-outline-#{$color} {
-    @include button-outline-variant($value, #fff);
+    @if $color == "light" {
+      @include button-outline-variant($value, $gray-900);
+    } @else {
+      @include button-outline-variant($value, $white);
+    }
   }
 }
 
@@ -71,36 +75,27 @@ fieldset[disabled] a.btn {
 .btn-link {
   font-weight: $font-weight-normal;
   color: $link-color;
-  border-radius: 0;
+  background-color: transparent;
 
-  &,
-  &:active,
-  &.active,
-  &:disabled {
-    background-color: transparent;
-    @include box-shadow(none);
-  }
-  &,
-  &:focus,
-  &:active {
-    border-color: transparent;
-    box-shadow: none;
-  }
   @include hover {
-    border-color: transparent;
-  }
-  @include hover-focus {
     color: $link-hover-color;
     text-decoration: $link-hover-decoration;
     background-color: transparent;
+    border-color: transparent;
   }
-  &:disabled {
-    color: $btn-link-disabled-color;
 
-    @include hover-focus {
-      text-decoration: none;
-    }
+  &:focus,
+  &.focus {
+    border-color: transparent;
+    box-shadow: none;
   }
+
+  &:disabled,
+  &.disabled {
+    color: $btn-link-disabled-color;
+  }
+
+  // No need for an active state here
 }
 
 
@@ -109,11 +104,11 @@ fieldset[disabled] a.btn {
 //
 
 .btn-lg {
-  @include button-size($input-btn-padding-y-lg, $input-btn-padding-x-lg, $font-size-lg, $line-height-lg, $btn-border-radius-lg);
+  @include button-size($input-btn-padding-y-lg, $input-btn-padding-x-lg, $font-size-lg, $input-btn-line-height-lg, $btn-border-radius-lg);
 }
 
 .btn-sm {
-  @include button-size($input-btn-padding-y-sm, $input-btn-padding-x-sm, $font-size-sm, $line-height-sm, $btn-border-radius-sm);
+  @include button-size($input-btn-padding-y-sm, $input-btn-padding-x-sm, $font-size-sm, $input-btn-line-height-sm, $btn-border-radius-sm);
 }
 
 
diff --git a/React_Starter/scss/bootstrap/_card.scss b/React_Starter/scss/bootstrap/_card.scss
index 1ab85a4..a739f19 100755
--- a/React_Starter/scss/bootstrap/_card.scss
+++ b/React_Starter/scss/bootstrap/_card.scss
@@ -12,6 +12,23 @@
   background-clip: border-box;
   border: $card-border-width solid $card-border-color;
   @include border-radius($card-border-radius);
+
+  > hr {
+    margin-right: 0;
+    margin-left: 0;
+  }
+
+  > .list-group:first-child {
+    .list-group-item:first-child {
+      @include border-top-radius($card-border-radius);
+    }
+  }
+
+  > .list-group:last-child {
+    .list-group-item:last-child {
+      @include border-bottom-radius($card-border-radius);
+    }
+  }
 }
 
 .card-body {
@@ -44,21 +61,6 @@
   }
 }
 
-.card {
-  > .list-group:first-child {
-    .list-group-item:first-child {
-      @include border-top-radius($card-border-radius);
-    }
-  }
-
-  > .list-group:last-child {
-    .list-group-item:last-child {
-      @include border-bottom-radius($card-border-radius);
-    }
-  }
-}
-
-
 //
 // Optional textual caps
 //
@@ -72,6 +74,12 @@
   &:first-child {
     @include border-radius($card-inner-border-radius $card-inner-border-radius 0 0);
   }
+
+  + .list-group {
+    .list-group-item:first-child {
+      border-top: 0;
+    }
+  }
 }
 
 .card-footer {
@@ -130,18 +138,26 @@
 
 // Card deck
 
-@include media-breakpoint-up(sm) {
-  .card-deck {
-    display: flex;
+.card-deck {
+  display: flex;
+  flex-direction: column;
+
+  .card {
+    margin-bottom: $card-deck-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     flex-flow: row wrap;
     margin-right: -$card-deck-margin;
     margin-left: -$card-deck-margin;
 
     .card {
       display: flex;
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#4-flex-shorthand-declarations-with-unitless-flex-basis-values-are-ignored
       flex: 1 0 0%;
       flex-direction: column;
       margin-right: $card-deck-margin;
+      margin-bottom: 0; // Override the default
       margin-left: $card-deck-margin;
     }
   }
@@ -152,13 +168,21 @@
 // Card groups
 //
 
-@include media-breakpoint-up(sm) {
-  .card-group {
-    display: flex;
+.card-group {
+  display: flex;
+  flex-direction: column;
+
+  .card {
+    margin-bottom: $card-group-margin;
+  }
+
+  @include media-breakpoint-up(sm) {
     flex-flow: row wrap;
 
     .card {
+      // Flexbugs #4: https://github.com/philipwalton/flexbugs#4-flex-shorthand-declarations-with-unitless-flex-basis-values-are-ignored
       flex: 1 0 0%;
+      margin-bottom: 0;
 
       + .card {
         margin-left: 0;
@@ -177,6 +201,7 @@
             border-bottom-right-radius: 0;
           }
         }
+
         &:last-child {
           @include border-left-radius(0);
 
@@ -188,7 +213,18 @@
           }
         }
 
-        &:not(:first-child):not(:last-child) {
+        &:only-child {
+          @include border-radius($card-border-radius);
+
+          .card-img-top {
+            @include border-top-radius($card-border-radius);
+          }
+          .card-img-bottom {
+            @include border-bottom-radius($card-border-radius);
+          }
+        }
+
+        &:not(:first-child):not(:last-child):not(:only-child) {
           border-radius: 0;
 
           .card-img-top,
diff --git a/React_Starter/scss/bootstrap/_carousel.scss b/React_Starter/scss/bootstrap/_carousel.scss
index 8aa14ac..c3c2073 100755
--- a/React_Starter/scss/bootstrap/_carousel.scss
+++ b/React_Starter/scss/bootstrap/_carousel.scss
@@ -90,9 +90,15 @@
 }
 .carousel-control-prev {
   left: 0;
+  @if $enable-gradients {
+    background: linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 .carousel-control-next {
   right: 0;
+  @if $enable-gradients {
+    background: linear-gradient(270deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 
 // Icons for within
diff --git a/React_Starter/scss/bootstrap/_close.scss b/React_Starter/scss/bootstrap/_close.scss
index f181490..897d486 100755
--- a/React_Starter/scss/bootstrap/_close.scss
+++ b/React_Starter/scss/bootstrap/_close.scss
@@ -19,11 +19,11 @@
 // If you want the anchor version, it requires `href="#"`.
 // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
 
-// scss-lint:disable QualifyingElement
+// stylelint-disable property-no-vendor-prefix, selector-no-qualifying-type
 button.close {
   padding: 0;
   background: transparent;
   border: 0;
   -webkit-appearance: none;
 }
-// scss-lint:enable QualifyingElement
+// stylelint-enable
diff --git a/React_Starter/scss/bootstrap/_custom-forms.scss b/React_Starter/scss/bootstrap/_custom-forms.scss
index d1fbf95..a521dbd 100755
--- a/React_Starter/scss/bootstrap/_custom-forms.scss
+++ b/React_Starter/scss/bootstrap/_custom-forms.scss
@@ -1,5 +1,3 @@
-// scss-lint:disable PropertyCount, VendorPrefix
-
 // Embedded icons from Open Iconic.
 // Released under MIT and copyright 2014 Waybury.
 // https://useiconic.com/open
@@ -24,7 +22,7 @@
 
   &:checked ~ .custom-control-indicator {
     color: $custom-control-indicator-checked-color;
-    background-color: $custom-control-indicator-checked-bg;
+    @include gradient-bg($custom-control-indicator-checked-bg);
     @include box-shadow($custom-control-indicator-checked-box-shadow);
   }
 
@@ -35,7 +33,7 @@
 
   &:active ~ .custom-control-indicator {
     color: $custom-control-indicator-active-color;
-    background-color: $custom-control-indicator-active-bg;
+    @include gradient-bg($custom-control-indicator-active-bg);
     @include box-shadow($custom-control-indicator-active-box-shadow);
   }
 
@@ -164,6 +162,11 @@
     }
   }
 
+  &[multiple] {
+    height: auto;
+    background-image: none;
+  }
+
   &:disabled {
     color: $custom-select-disabled-color;
     background-color: $custom-select-disabled-bg;
@@ -203,7 +206,7 @@
   opacity: 0;
 
   &:focus ~ .custom-file-control {
-    @include box-shadow($custom-file-focus-box-shadow);
+    box-shadow: $custom-file-focus-box-shadow;
   }
 }
 
@@ -214,7 +217,7 @@
   left: 0;
   z-index: 5;
   height: $custom-file-height;
-  padding: $custom-file-padding-x $custom-file-padding-y;
+  padding: $custom-file-padding-y $custom-file-padding-x;
   line-height: $custom-file-line-height;
   color: $custom-file-color;
   pointer-events: none;
@@ -238,10 +241,10 @@
     z-index: 6;
     display: block;
     height: $custom-file-height;
-    padding: $custom-file-padding-x $custom-file-padding-y;
+    padding: $custom-file-padding-y $custom-file-padding-x;
     line-height: $custom-file-line-height;
     color: $custom-file-button-color;
-    background-color: $custom-file-button-bg;
+    @include gradient-bg($custom-file-button-bg);
     border: $custom-file-border-width solid $custom-file-border-color;
     @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
   }
diff --git a/React_Starter/scss/bootstrap/_dropdown.scss b/React_Starter/scss/bootstrap/_dropdown.scss
index 05e8b16..daa867a 100755
--- a/React_Starter/scss/bootstrap/_dropdown.scss
+++ b/React_Starter/scss/bootstrap/_dropdown.scss
@@ -6,37 +6,7 @@
 
 .dropdown-toggle {
   // Generate the caret automatically
-  &::after {
-    display: inline-block;
-    width: 0;
-    height: 0;
-    margin-left: $caret-width * .85;
-    vertical-align: $caret-width * .85;
-    content: "";
-    border-top: $caret-width solid;
-    border-right: $caret-width solid transparent;
-    border-left: $caret-width solid transparent;
-  }
-
-  &:empty::after {
-    margin-left: 0;
-  }
-}
-
-// Allow for dropdowns to go bottom up (aka, dropup-menu)
-// Just add .dropup after the standard .dropdown class and you're set.
-.dropup {
-  .dropdown-menu {
-    margin-top: 0;
-    margin-bottom: $dropdown-spacer;
-  }
-
-  .dropdown-toggle {
-    &::after {
-      border-top: 0;
-      border-bottom: $caret-width solid;
-    }
-  }
+  @include caret;
 }
 
 // The dropdown menu
@@ -61,6 +31,19 @@
   @include box-shadow($dropdown-box-shadow);
 }
 
+// Allow for dropdowns to go bottom up (aka, dropup-menu)
+// Just add .dropup after the standard .dropdown class and you're set.
+.dropup {
+  .dropdown-menu {
+    margin-top: 0;
+    margin-bottom: $dropdown-spacer;
+  }
+
+  .dropdown-toggle {
+    @include caret(up);
+  }
+}
+
 // Dividers (basically an `<hr>`) within the dropdown
 .dropdown-divider {
   @include nav-divider($dropdown-divider-bg);
@@ -84,14 +67,14 @@
   @include hover-focus {
     color: $dropdown-link-hover-color;
     text-decoration: none;
-    background-color: $dropdown-link-hover-bg;
+    @include gradient-bg($dropdown-link-hover-bg);
   }
 
   &.active,
   &:active {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    background-color: $dropdown-link-active-bg;
+    @include gradient-bg($dropdown-link-active-bg);
   }
 
   &.disabled,
@@ -105,14 +88,6 @@
   }
 }
 
-// Open state for the dropdown
-.show {
-  // Remove the outline when :focus is triggered
-  > a {
-    outline: 0;
-  }
-}
-
 .dropdown-menu.show {
   display: block;
 }
diff --git a/React_Starter/scss/bootstrap/_forms.scss b/React_Starter/scss/bootstrap/_forms.scss
index 519554b..80bc7f3 100755
--- a/React_Starter/scss/bootstrap/_forms.scss
+++ b/React_Starter/scss/bootstrap/_forms.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement, VendorPrefix
+// stylelint-disable selector-no-qualifying-type
 
 //
 // Textual form controls
@@ -7,8 +7,6 @@
 .form-control {
   display: block;
   width: 100%;
-  // // Make inputs at least the height of their button counterpart (base line-height + padding + border)
-  // height: $input-height;
   padding: $input-btn-padding-y $input-btn-padding-x;
   font-size: $font-size-base;
   line-height: $input-btn-line-height;
@@ -90,21 +88,24 @@ select.form-control {
 // For use with horizontal and inline forms, when you need the label text to
 // align with the form controls.
 .col-form-label {
-  padding-top: calc(#{$input-btn-padding-y} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y} + #{$input-btn-border-width});
   margin-bottom: 0; // Override the `<label>` default
+  line-height: $input-btn-line-height;
 }
 
 .col-form-label-lg {
-  padding-top: calc(#{$input-btn-padding-y-lg} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y-lg} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y-lg} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y-lg} + #{$input-btn-border-width});
   font-size: $font-size-lg;
+  line-height: $input-btn-line-height-lg;
 }
 
 .col-form-label-sm {
-  padding-top: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
-  padding-bottom: calc(#{$input-btn-padding-y-sm} - #{$input-btn-border-width} * 2);
+  padding-top: calc(#{$input-btn-padding-y-sm} + #{$input-btn-border-width});
+  padding-bottom: calc(#{$input-btn-padding-y-sm} + #{$input-btn-border-width});
   font-size: $font-size-sm;
+  line-height: $input-btn-line-height-sm;
 }
 
 
@@ -132,6 +133,7 @@ select.form-control {
   padding-bottom: $input-btn-padding-y;
   margin-bottom: 0; // match inputs if this class comes on inputs with default margins
   line-height: $input-btn-line-height;
+  background-color: transparent;
   border: solid transparent;
   border-width: $input-btn-border-width 0;
 
@@ -236,23 +238,16 @@ select.form-control-lg {
   position: absolute;
   margin-top: $form-check-input-margin-y;
   margin-left: -$form-check-input-gutter;
-
-  &:only-child {
-    position: static;
-  }
 }
 
 // Radios and checkboxes on same line
 .form-check-inline {
   display: inline-block;
+  margin-right: $form-check-inline-margin-x;
 
   .form-check-label {
     vertical-align: middle;
   }
-
-  + .form-check-inline {
-    margin-left: $form-check-inline-margin-x;
-  }
 }
 
 
@@ -263,28 +258,6 @@ select.form-control-lg {
 // pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
 // server side validation.
 
-.invalid-feedback {
-  display: none;
-  margin-top: .25rem;
-  font-size: .875rem;
-  color: $form-feedback-invalid-color;
-}
-
-.invalid-tooltip {
-  position: absolute;
-  top: 100%;
-  z-index: 5;
-  display: none;
-  width: 250px;
-  padding: .5rem;
-  margin-top: .1rem;
-  font-size: .875rem;
-  line-height: 1;
-  color: #fff;
-  background-color: rgba($form-feedback-invalid-color,.8);
-  border-radius: .2rem;
-}
-
 @include form-validation-state("valid", $form-feedback-valid-color);
 @include form-validation-state("invalid", $form-feedback-invalid-color);
 
@@ -343,11 +316,6 @@ select.form-control-lg {
       width: auto;
     }
 
-    .form-control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
     // Remove default margin on radios/checkboxes that were used for stacking, and
     // then undo the floating of radios and checkboxes to match.
     .form-check {
diff --git a/React_Starter/scss/bootstrap/_functions.scss b/React_Starter/scss/bootstrap/_functions.scss
index 6c0601c..43210f7 100755
--- a/React_Starter/scss/bootstrap/_functions.scss
+++ b/React_Starter/scss/bootstrap/_functions.scss
@@ -49,7 +49,7 @@
 }
 
 // Color contrast
-@mixin color-yiq($color) {
+@function color-yiq($color) {
   $r: red($color);
   $g: green($color);
   $b: blue($color);
@@ -57,9 +57,9 @@
   $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
 
   @if ($yiq >= 150) {
-    color: #111;
+    @return #111;
   } @else {
-    color: #fff;
+    @return #fff;
   }
 }
 
@@ -72,7 +72,7 @@
   @return map-get($theme-colors, $key);
 }
 
-@function grayscale($key: "100") {
+@function gray($key: "100") {
   @return map-get($grays, $key);
 }
 
@@ -80,11 +80,7 @@
 @function theme-color-level($color-name: "primary", $level: 0) {
   $color: theme-color($color-name);
   $color-base: if($level > 0, #000, #fff);
+  $level: abs($level);
 
-  @if $level < 0 {
-    // Lighter values need a quick double negative for the Sass math to work
-    @return mix($color-base, $color, $level * -1 * $theme-color-interval);
-  } @else {
-    @return mix($color-base, $color, $level * $theme-color-interval);
-  }
+  @return mix($color-base, $color, $level * $theme-color-interval);
 }
diff --git a/React_Starter/scss/bootstrap/_grid.scss b/React_Starter/scss/bootstrap/_grid.scss
index 9ab9ae0..a227515 100755
--- a/React_Starter/scss/bootstrap/_grid.scss
+++ b/React_Starter/scss/bootstrap/_grid.scss
@@ -16,7 +16,6 @@
 
 @if $enable-grid-classes {
   .container-fluid {
-    width: 100%;
     @include make-container();
   }
 }
diff --git a/React_Starter/scss/bootstrap/_input-group.scss b/React_Starter/scss/bootstrap/_input-group.scss
index 0b668bf..a1d16e3 100755
--- a/React_Starter/scss/bootstrap/_input-group.scss
+++ b/React_Starter/scss/bootstrap/_input-group.scss
@@ -1,3 +1,5 @@
+// stylelint-disable selector-no-qualifying-type
+
 //
 // Base styles
 //
@@ -5,6 +7,7 @@
 .input-group {
   position: relative;
   display: flex;
+  align-items: stretch;
   width: 100%;
 
   .form-control {
@@ -28,10 +31,8 @@
 .input-group-addon,
 .input-group-btn,
 .input-group .form-control {
-  // Vertically centers the content of the addons within the input group
   display: flex;
   align-items: center;
-
   &:not(:first-child):not(:last-child) {
     @include border-radius(0);
   }
@@ -40,7 +41,6 @@
 .input-group-addon,
 .input-group-btn {
   white-space: nowrap;
-  vertical-align: middle; // Match the inputs
 }
 
 
@@ -71,7 +71,7 @@
   font-size: $font-size-base; // Match inputs
   font-weight: $font-weight-normal;
   line-height: $input-btn-line-height;
-  color: $input-color;
+  color: $input-group-addon-color;
   text-align: center;
   background-color: $input-group-addon-bg;
   border: $input-btn-border-width solid $input-group-addon-border-color;
@@ -90,13 +90,11 @@
     @include border-radius($input-border-radius-lg);
   }
 
-  // scss-lint:disable QualifyingElement
   // Nuke default margins from checkboxes and radios to vertically center within.
   input[type="radio"],
   input[type="checkbox"] {
     margin-top: 0;
   }
-  // scss-lint:enable QualifyingElement
 }
 
 
@@ -135,6 +133,7 @@
 
 .input-group-btn {
   position: relative;
+  align-items: stretch;
   // Jankily prevent input button groups from wrapping with `white-space` and
   // `font-size` in combination with `inline-block` on buttons.
   font-size: 0;
@@ -155,6 +154,10 @@
     }
   }
 
+  &:first-child > .btn + .btn {
+    margin-left: 0;
+  }
+
   // Negative margin to only have a single, shared border between the two
   &:not(:last-child) {
     > .btn,
@@ -166,7 +169,14 @@
     > .btn,
     > .btn-group {
       z-index: 2;
-      margin-left: (-$input-btn-border-width);
+      // remove nagative margin ($input-btn-border-width) to solve overlapping issue with button.
+      margin-left: 0;
+
+      // When input is first, overlap the right side of it with the button(-group)
+      &:first-child {
+        margin-left: (-$input-btn-border-width);
+      }
+
       // Because specificity
       @include hover-focus-active {
         z-index: 3;
diff --git a/React_Starter/scss/bootstrap/_mixins.scss b/React_Starter/scss/bootstrap/_mixins.scss
index 09035bf..d9a1774 100755
--- a/React_Starter/scss/bootstrap/_mixins.scss
+++ b/React_Starter/scss/bootstrap/_mixins.scss
@@ -19,6 +19,7 @@
 // // Components
 @import "mixins/alert";
 @import "mixins/buttons";
+@import "mixins/caret";
 @import "mixins/pagination";
 @import "mixins/lists";
 @import "mixins/list-group";
diff --git a/React_Starter/scss/bootstrap/_modal.scss b/React_Starter/scss/bootstrap/_modal.scss
index c0c4067..e655850 100755
--- a/React_Starter/scss/bootstrap/_modal.scss
+++ b/React_Starter/scss/bootstrap/_modal.scss
@@ -43,6 +43,8 @@
   position: relative;
   width: auto;
   margin: $modal-dialog-margin;
+  // allow clicks to pass through for custom click handling to close modal
+  pointer-events: none;
 }
 
 // Actual modal
@@ -50,6 +52,8 @@
   position: relative;
   display: flex;
   flex-direction: column;
+  // counteract the pointer-events: none; in the .modal-dialog
+  pointer-events: auto;
   background-color: $modal-content-bg;
   background-clip: padding-box;
   border: $modal-content-border-width solid $modal-content-border-color;
@@ -78,10 +82,17 @@
 // Top section of the modal w/ title and dismiss
 .modal-header {
   display: flex;
-  align-items: center; // vertically center it
+  align-items: flex-start; // so the close btn always stays on the upper right corner
   justify-content: space-between; // Put modal header elements (title and dismiss) on opposite ends
   padding: $modal-header-padding;
   border-bottom: $modal-header-border-width solid $modal-header-border-color;
+  @include border-top-radius($border-radius-lg);
+
+  .close {
+    padding: $modal-header-padding;
+    // auto on the left force icon to the right even when there is no .modal-title
+    margin: (-$modal-header-padding) (-$modal-header-padding) (-$modal-header-padding) auto;
+  }
 }
 
 // Title text within header
diff --git a/React_Starter/scss/bootstrap/_nav.scss b/React_Starter/scss/bootstrap/_nav.scss
index ed5d76b..14e76c9 100755
--- a/React_Starter/scss/bootstrap/_nav.scss
+++ b/React_Starter/scss/bootstrap/_nav.scss
@@ -74,12 +74,12 @@
 .nav-pills {
   .nav-link {
     @include border-radius($nav-pills-border-radius);
+  }
 
-    &.active,
-    .show > & {
-      color: $nav-pills-link-active-color;
-      background-color: $nav-pills-link-active-bg;
-    }
+  .nav-link.active,
+  .show > .nav-link {
+    color: $nav-pills-link-active-color;
+    background-color: $nav-pills-link-active-bg;
   }
 }
 
diff --git a/React_Starter/scss/bootstrap/_navbar.scss b/React_Starter/scss/bootstrap/_navbar.scss
index ed49b76..6b023e8 100755
--- a/React_Starter/scss/bootstrap/_navbar.scss
+++ b/React_Starter/scss/bootstrap/_navbar.scss
@@ -98,6 +98,7 @@
 // on the `.navbar` parent.
 .navbar-collapse {
   flex-basis: 100%;
+  flex-grow: 1;
   // For always expanded or extra full navbars, ensure content aligns itself
   // properly vertically. Can be easily overridden with flex utilities.
   align-items: center;
@@ -146,8 +147,7 @@
       }
 
       @include media-breakpoint-up($next) {
-        flex-direction: row;
-        flex-wrap: nowrap;
+        flex-flow: row nowrap;
         justify-content: flex-start;
 
         .navbar-nav {
@@ -174,15 +174,23 @@
           flex-wrap: nowrap;
         }
 
-        // scss-lint:disable ImportantRule
         .navbar-collapse {
-          display: flex !important;
+          display: flex !important;  // stylelint-disable-line declaration-no-important
+
+          // Changes flex-bases to auto because of an IE10 bug
+          flex-basis: auto;
         }
-        // scss-lint:enable ImportantRule
 
         .navbar-toggler {
           display: none;
         }
+
+        .dropup {
+          .dropdown-menu {
+            top: auto;
+            bottom: 100%;
+          }
+        }
       }
     }
   }
@@ -235,6 +243,13 @@
 
   .navbar-text {
     color: $navbar-light-color;
+    a {
+      color: $navbar-light-active-color;
+
+      @include hover-focus {
+        color: $navbar-light-active-color;
+      }
+    }
   }
 }
 
@@ -280,5 +295,12 @@
 
   .navbar-text {
     color: $navbar-dark-color;
+    a {
+      color: $navbar-dark-active-color;
+
+      @include hover-focus {
+        color: $navbar-dark-active-color;
+      }
+    }
   }
 }
diff --git a/React_Starter/scss/bootstrap/_pagination.scss b/React_Starter/scss/bootstrap/_pagination.scss
index a049299..69a36ff 100755
--- a/React_Starter/scss/bootstrap/_pagination.scss
+++ b/React_Starter/scss/bootstrap/_pagination.scss
@@ -1,8 +1,6 @@
 .pagination {
   display: flex;
-  // 1-2: Disable browser default list styles
-  padding-left: 0; // 1
-  list-style: none; // 2
+  @include list-unstyled();
   @include border-radius();
 }
 
@@ -38,7 +36,7 @@
   position: relative;
   display: block;
   padding: $pagination-padding-y $pagination-padding-x;
-  margin-left: -1px;
+  margin-left: -$pagination-border-width;
   line-height: $pagination-line-height;
   color: $pagination-color;
   background-color: $pagination-bg;
diff --git a/React_Starter/scss/bootstrap/_popover.scss b/React_Starter/scss/bootstrap/_popover.scss
index 950d6ca..4503767 100755
--- a/React_Starter/scss/bootstrap/_popover.scss
+++ b/React_Starter/scss/bootstrap/_popover.scss
@@ -5,7 +5,6 @@
   z-index: $zindex-popover;
   display: block;
   max-width: $popover-max-width;
-  padding: $popover-inner-padding;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
@@ -39,11 +38,11 @@
 
   .arrow::before {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
   .arrow::after {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
 
   // Popover directions
@@ -61,14 +60,14 @@
     }
 
     .arrow::before {
-      bottom: -$popover-arrow-outer-width;
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: -$popover-arrow-width;
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-color;
     }
   }
@@ -82,17 +81,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-left-width: 0;
     }
 
     .arrow::before {
-      left: -$popover-arrow-outer-width;
+      left: -$popover-arrow-width;
       border-right-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      left: -($popover-arrow-outer-width - 1);
+      left: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-right-color: $popover-arrow-color;
     }
   }
@@ -106,17 +105,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-left: -($popover-arrow-width - 3);
+      margin-left: -$popover-arrow-width;
       border-top-width: 0;
     }
 
     .arrow::before {
-      top: -$popover-arrow-outer-width;
+      top: -$popover-arrow-width;
       border-bottom-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      top: -($popover-arrow-outer-width - 1);
+      top: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-bottom-color: $popover-arrow-color;
     }
 
@@ -129,7 +128,7 @@
       width: 20px;
       margin-left: -10px;
       content: "";
-      border-bottom: 1px solid $popover-header-bg;
+      border-bottom: $popover-border-width solid $popover-header-bg;
     }
   }
 
@@ -142,17 +141,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-right-width: 0;
     }
 
     .arrow::before {
-      right: -$popover-arrow-outer-width;
+      right: -$popover-arrow-width;
       border-left-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      right: -($popover-arrow-outer-width - 1);
+      right: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-left-color: $popover-arrow-color;
     }
   }
diff --git a/React_Starter/scss/bootstrap/_print.scss b/React_Starter/scss/bootstrap/_print.scss
index 7f8d990..6505d3e 100755
--- a/React_Starter/scss/bootstrap/_print.scss
+++ b/React_Starter/scss/bootstrap/_print.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement
+// stylelint-disable declaration-no-important, selector-no-qualifying-type
 
 // Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css
 
@@ -14,8 +14,7 @@
     *::before,
     *::after {
       // Bootstrap specific; comment out `color` and `background`
-      //color: #000 !important; // Black prints faster:
-                                //   http://www.sanbeiji.com/archives/953
+      //color: #000 !important; // Black prints faster: http://www.sanbeiji.com/archives/953
       text-shadow: none !important;
       //background: transparent !important;
       box-shadow: none !important;
diff --git a/React_Starter/scss/bootstrap/_progress.scss b/React_Starter/scss/bootstrap/_progress.scss
index f7491a6..efbb440 100755
--- a/React_Starter/scss/bootstrap/_progress.scss
+++ b/React_Starter/scss/bootstrap/_progress.scss
@@ -5,21 +5,19 @@
 
 .progress {
   display: flex;
+  height: $progress-height;
   overflow: hidden; // force rounded corners by cropping it
   font-size: $progress-font-size;
-  line-height: $progress-height;
-  text-align: center;
   background-color: $progress-bg;
   @include border-radius($progress-border-radius);
-  @include box-shadow($progress-box-shadow);
 }
 
 .progress-bar {
-  height: $progress-height;
-  line-height: $progress-height;
+  display: flex;
+  align-items: center;
+  justify-content: center;
   color: $progress-bar-color;
   background-color: $progress-bar-bg;
-  @include transition($progress-bar-transition);
 }
 
 .progress-bar-striped {
diff --git a/React_Starter/scss/bootstrap/_reboot.scss b/React_Starter/scss/bootstrap/_reboot.scss
index 33fc2d6..3055cc3 100755
--- a/React_Starter/scss/bootstrap/_reboot.scss
+++ b/React_Starter/scss/bootstrap/_reboot.scss
@@ -1,4 +1,4 @@
-// scss-lint:disable QualifyingElement, DuplicateProperty, VendorPrefix
+// stylelint-disable at-rule-no-vendor-prefix, declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
 
 // Reboot
 //
@@ -18,8 +18,13 @@
 //    we force a non-overlapping, non-auto-hiding scrollbar to counteract.
 // 6. Change the default tap highlight to be completely transparent in iOS.
 
-html {
+*,
+*::before,
+*::after {
   box-sizing: border-box; // 1
+}
+
+html {
   font-family: sans-serif; // 2
   line-height: 1.15; // 3
   -webkit-text-size-adjust: 100%; // 4
@@ -28,26 +33,26 @@ html {
   -webkit-tap-highlight-color: rgba(0,0,0,0); // 6
 }
 
-*,
-*::before,
-*::after {
-  box-sizing: inherit; // 1
-}
-
 // IE10+ doesn't honor `<meta name="viewport">` in some cases.
 @at-root {
-  @-ms-viewport { width: device-width; }
+  @-ms-viewport {
+    width: device-width;
+  }
 }
 
+// stylelint-disable selector-list-comma-newline-after
 // Shim for "new" HTML5 structural elements to display correctly (IE10, older browsers)
 article, aside, dialog, figcaption, figure, footer, header, hgroup, main, nav, section {
   display: block;
 }
+// stylelint-enable selector-list-comma-newline-after
 
 // Body
 //
 // 1. Remove the margin in all browsers.
 // 2. As a best practice, apply a default `background-color`.
+// 3. Set an explicit initial text-align value so that we can later use the
+//    the `inherit` value on things like `<th>` elements.
 
 body {
   margin: 0; // 1
@@ -56,6 +61,7 @@ body {
   font-weight: $font-weight-base;
   line-height: $line-height-base;
   color: $body-color;
+  text-align: left; // 3
   background-color: $body-bg; // 2
 }
 
@@ -89,10 +95,12 @@ hr {
 //
 // By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
 // margin for easier control within type scales as it avoids margin collapsing.
+// stylelint-disable selector-list-comma-newline-after
 h1, h2, h3, h4, h5, h6 {
   margin-top: 0;
-  margin-bottom: .5rem;
+  margin-bottom: $headings-margin-bottom;
 }
+// stylelint-enable selector-list-comma-newline-after
 
 // Reset margins on paragraphs
 //
@@ -100,7 +108,7 @@ h1, h2, h3, h4, h5, h6 {
 // bottom margin to use `rem` units instead of `em`.
 p {
   margin-top: 0;
-  margin-bottom: 1rem;
+  margin-bottom: $paragraph-margin-bottom;
 }
 
 // Abbreviations
@@ -155,10 +163,12 @@ dfn {
   font-style: italic; // Add the correct font style in Android 4.3-
 }
 
+// stylelint-disable font-weight-notation
 b,
 strong {
   font-weight: bolder; // Add the correct font weight in Chrome, Edge, and Safari
 }
+// stylelint-enable font-weight-notation
 
 small {
   font-size: 80%; // Add the correct font size in all browsers
@@ -222,6 +232,7 @@ a:not([href]):not([tabindex]) {
 // Code
 //
 
+// stylelint-disable font-family-no-duplicate-names
 pre,
 code,
 kbd,
@@ -229,6 +240,7 @@ samp {
   font-family: monospace, monospace; // Correct the inheritance and scaling of font size in all browsers.
   font-size: 1em; // Correct the odd `em` font sizing in all browsers.
 }
+// stylelint-enable font-family-no-duplicate-names
 
 pre {
   // Remove browser default top margin
@@ -237,6 +249,9 @@ pre {
   margin-bottom: 1rem;
   // Don't allow content to break outside
   overflow: auto;
+  // We have @viewport set which causes scrollbars to overlap content in IE11 and Edge, so
+  // we force a non-overlapping, non-auto-hiding scrollbar to counteract.
+  -ms-overflow-style: scrollbar;
 }
 
 
@@ -270,15 +285,15 @@ svg:not(:root) {
 // DON'T remove the click delay when `<meta name="viewport" content="width=device-width">` is present.
 // However, they DO support removing the click delay via `touch-action: manipulation`.
 // See:
-// * https://v4-alpha.getbootstrap.com/content/reboot/#click-delay-optimization-for-touch
-// * http://caniuse.com/#feat=css-touch-action
+// * https://getbootstrap.com/docs/4.0/content/reboot/#click-delay-optimization-for-touch
+// * https://caniuse.com/#feat=css-touch-action
 // * https://patrickhlauke.github.io/touch/tests/results/#suppressing-300ms-delay
 
 a,
 area,
 button,
 [role="button"],
-input,
+input:not([type="range"]),
 label,
 select,
 summary,
@@ -304,8 +319,9 @@ caption {
 }
 
 th {
-  // Matches default `<td>` alignment
-  text-align: left;
+  // Matches default `<td>` alignment by inheriting from the `<body>`, or the
+  // closest parent with a set `text-align`.
+  text-align: inherit;
 }
 
 
@@ -319,6 +335,13 @@ label {
   margin-bottom: .5rem;
 }
 
+// Remove the default `border-radius` that macOS Chrome adds.
+//
+// Details at https://github.com/twbs/bootstrap/issues/24093
+button {
+  border-radius: 0;
+}
+
 // Work around a Firefox/IE bug where the transparent `button` background
 // results in a loss of the default `button` focus styles.
 //
diff --git a/React_Starter/scss/bootstrap/_root.scss b/React_Starter/scss/bootstrap/_root.scss
new file mode 100755
index 0000000..ad550df
--- /dev/null
+++ b/React_Starter/scss/bootstrap/_root.scss
@@ -0,0 +1,19 @@
+:root {
+  // Custom variable values only support SassScript inside `#{}`.
+  @each $color, $value in $colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $color, $value in $theme-colors {
+    --#{$color}: #{$value};
+  }
+
+  @each $bp, $value in $grid-breakpoints {
+    --breakpoint-#{$bp}: #{$value};
+  }
+
+  // Use `inspect` for lists so that quoted items keep the quotes.
+  // See https://github.com/sass/sass/issues/2383#issuecomment-336349172
+  --font-family-sans-serif: #{inspect($font-family-sans-serif)};
+  --font-family-monospace: #{inspect($font-family-monospace)};
+}
diff --git a/React_Starter/scss/bootstrap/_tables.scss b/React_Starter/scss/bootstrap/_tables.scss
index a652d17..6bd0b91 100755
--- a/React_Starter/scss/bootstrap/_tables.scss
+++ b/React_Starter/scss/bootstrap/_tables.scss
@@ -99,32 +99,37 @@
 @include table-row-variant(active, $table-active-bg);
 
 
-// Inverse styles
+// Dark styles
 //
 // Same table markup, but inverted color scheme: dark background and light text.
 
-.thead-inverse {
-  th {
-    color: $table-inverse-color;
-    background-color: $table-inverse-bg;
+// stylelint-disable-next-line no-duplicate-selectors
+.table {
+  .thead-dark {
+    th {
+      color: $table-dark-color;
+      background-color: $table-dark-bg;
+      border-color: $table-dark-border-color;
+    }
+  }
+
+  .thead-light {
+    th {
+      color: $table-head-color;
+      background-color: $table-head-bg;
+      border-color: $table-border-color;
+    }
   }
 }
 
-.thead-default {
-  th {
-    color: $table-head-color;
-    background-color: $table-head-bg;
-  }
-}
-
-.table-inverse {
-  color: $table-inverse-color;
-  background-color: $table-inverse-bg;
+.table-dark {
+  color: $table-dark-color;
+  background-color: $table-dark-bg;
 
   th,
   td,
   thead th {
-    border-color: $table-inverse-border-color;
+    border-color: $table-dark-border-color;
   }
 
   &.table-bordered {
@@ -133,14 +138,14 @@
 
   &.table-striped {
     tbody tr:nth-of-type(odd) {
-      background-color: $table-inverse-accent-bg;
+      background-color: $table-dark-accent-bg;
     }
   }
 
   &.table-hover {
     tbody tr {
       @include hover {
-        background-color: $table-inverse-hover-bg;
+        background-color: $table-dark-hover-bg;
       }
     }
   }
@@ -149,20 +154,27 @@
 
 // Responsive tables
 //
-// Add `.table-responsive` to `.table`s and we'll make them mobile friendly by
-// enabling horizontal scrolling. Only applies <768px. Everything above that
-// will display normally.
+// Generate series of `.table-responsive-*` classes for configuring the screen
+// size of where your table will overflow.
 
 .table-responsive {
-  @include media-breakpoint-down(md) {
-    display: block;
-    width: 100%;
-    overflow-x: auto;
-    -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+  @each $breakpoint in map-keys($grid-breakpoints) {
+    $next: breakpoint-next($breakpoint, $grid-breakpoints);
+    $infix: breakpoint-infix($next, $grid-breakpoints);
 
-    // Prevent double border on horizontal scroll due to use of `display: block;`
-    &.table-bordered {
-      border: 0;
+    &#{$infix} {
+      @include media-breakpoint-down($breakpoint) {
+        display: block;
+        width: 100%;
+        overflow-x: auto;
+        -webkit-overflow-scrolling: touch;
+        -ms-overflow-style: -ms-autohiding-scrollbar; // See https://github.com/twbs/bootstrap/pull/10057
+
+        // Prevent double border on horizontal scroll due to use of `display: block;`
+        &.table-bordered {
+          border: 0;
+        }
+      }
     }
   }
 }
diff --git a/React_Starter/scss/bootstrap/_tooltip.scss b/React_Starter/scss/bootstrap/_tooltip.scss
index fe97fbb..7b5db1c 100755
--- a/React_Starter/scss/bootstrap/_tooltip.scss
+++ b/React_Starter/scss/bootstrap/_tooltip.scss
@@ -21,6 +21,12 @@
     height: $tooltip-arrow-height;
   }
 
+  .arrow::before {
+    position: absolute;
+    border-color: transparent;
+    border-style: solid;
+  }
+
   &.bs-tooltip-top {
     padding: $tooltip-arrow-width 0;
     .arrow {
@@ -88,12 +94,6 @@
       @extend .bs-tooltip-left;
     }
   }
-
-  .arrow::before {
-    position: absolute;
-    border-color: transparent;
-    border-style: solid;
-  }
 }
 
 // Wrapper for the tooltip content
diff --git a/React_Starter/scss/bootstrap/_transitions.scss b/React_Starter/scss/bootstrap/_transitions.scss
index 86c04a5..df5744b 100755
--- a/React_Starter/scss/bootstrap/_transitions.scss
+++ b/React_Starter/scss/bootstrap/_transitions.scss
@@ -1,3 +1,5 @@
+// stylelint-disable selector-no-qualifying-type
+
 .fade {
   opacity: 0;
   @include transition($transition-fade);
diff --git a/React_Starter/scss/bootstrap/_type.scss b/React_Starter/scss/bootstrap/_type.scss
index 8928341..b1b8f61 100755
--- a/React_Starter/scss/bootstrap/_type.scss
+++ b/React_Starter/scss/bootstrap/_type.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important, selector-list-comma-newline-after
+
 //
 // Headings
 //
diff --git a/React_Starter/scss/bootstrap/_variables.scss b/React_Starter/scss/bootstrap/_variables.scss
index e2bacef..0615f35 100755
--- a/React_Starter/scss/bootstrap/_variables.scss
+++ b/React_Starter/scss/bootstrap/_variables.scss
@@ -1,54 +1,15 @@
 // Variables
 //
-// Copy settings from this file into the provided `_custom.scss` to override
-// the Bootstrap defaults without modifying key, versioned files.
-//
 // Variables should follow the `$component-state-property-size` formula for
 // consistent naming. Ex: $nav-link-disabled-color and $modal-content-box-shadow-xs.
 
-// Table of Contents
-//
-// Color system
-// Options
-// Spacing
-// Body
-// Links
-// Grid breakpoints
-// Grid containers
-// Grid columns
-// Fonts
-// Components
-// Tables
-// Buttons
-// Forms
-// Dropdowns
-// Z-index master list
-// Navs
-// Navbar
-// Pagination
-// Jumbotron
-// Form states and alerts
-// Cards
-// Tooltips
-// Popovers
-// Badges
-// Modals
-// Alerts
-// Progress bars
-// List group
-// Image thumbnails
-// Figures
-// Breadcrumbs
-// Carousel
-// Close
-// Code
-
 
 //
 // Color system
 //
 
-$white:  #fff !default;
+// stylelint-disable
+$white:    #fff !default;
 $gray-100: #f8f9fa !default;
 $gray-200: #e9ecef !default;
 $gray-300: #dee2e6 !default;
@@ -58,19 +19,20 @@ $gray-600: #868e96 !default;
 $gray-700: #495057 !default;
 $gray-800: #343a40 !default;
 $gray-900: #212529 !default;
-$black:  #000 !default;
+$black:    #000 !default;
 
-$grays: (
-  100: $gray-100,
-  200: $gray-200,
-  300: $gray-300,
-  400: $gray-400,
-  500: $gray-500,
-  600: $gray-600,
-  700: $gray-700,
-  800: $gray-800,
-  900: $gray-900
-) !default;
+$grays: () !default;
+$grays: map-merge((
+  "100": $gray-100,
+  "200": $gray-200,
+  "300": $gray-300,
+  "400": $gray-400,
+  "500": $gray-500,
+  "600": $gray-600,
+  "700": $gray-700,
+  "800": $gray-800,
+  "900": $gray-900
+), $grays);
 
 $blue:    #007bff !default;
 $indigo:  #6610f2 !default;
@@ -83,41 +45,54 @@ $green:   #28a745 !default;
 $teal:    #20c997 !default;
 $cyan:    #17a2b8 !default;
 
-$colors: (
-  blue: $blue,
-  indigo: $indigo,
-  purple: $purple,
-  pink: $pink,
-  red: $red,
-  orange: $orange,
-  yellow: $yellow,
-  green: $green,
-  teal: $teal,
-  cyan: $cyan,
-  white: $white,
-  gray: $gray-600,
-  gray-dark: $gray-800
-) !default;
+$colors: () !default;
+$colors: map-merge((
+  "blue":       $blue,
+  "indigo":     $indigo,
+  "purple":     $purple,
+  "pink":       $pink,
+  "red":        $red,
+  "orange":     $orange,
+  "yellow":     $yellow,
+  "green":      $green,
+  "teal":       $teal,
+  "cyan":       $cyan,
+  "white":      $white,
+  "gray":       $gray-600,
+  "gray-dark":  $gray-800
+), $colors);
 
-$theme-colors: (
-  primary: $blue,
-  secondary: $gray-600,
-  success: $green,
-  info: $cyan,
-  warning: $yellow,
-  danger: $red,
-  light: $gray-100,
-  dark: $gray-800
-) !default;
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-100 !default;
+$dark:          $gray-800 !default;
+
+$theme-colors: () !default;
+$theme-colors: map-merge((
+  "primary":    $primary,
+  "secondary":  $secondary,
+  "success":    $success,
+  "info":       $info,
+  "warning":    $warning,
+  "danger":     $danger,
+  "light":      $light,
+  "dark":       $dark
+), $theme-colors);
+// stylelint-enable
 
 // Set a specific jump point for requesting color jumps
-$theme-color-interval: 8% !default;
+$theme-color-interval:      8% !default;
 
 
 // Options
 //
 // Quickly modify global styling by enabling or disabling optional features.
 
+$enable-caret:              true !default;
 $enable-rounded:            true !default;
 $enable-shadows:            false !default;
 $enable-gradients:          false !default;
@@ -155,17 +130,23 @@ $sizes: (
 //
 // Settings for the `<body>` element.
 
-$body-bg:       $white !default;
-$body-color:    $gray-900 !default;
+$body-bg:                   $white !default;
+$body-color:                $gray-900 !default;
 
 // Links
 //
 // Style anchor elements.
 
-$link-color:            theme-color("primary") !default;
-$link-decoration:       none !default;
-$link-hover-color:      darken($link-color, 15%) !default;
-$link-hover-decoration: underline !default;
+$link-color:                theme-color("primary") !default;
+$link-decoration:           none !default;
+$link-hover-color:          darken($link-color, 15%) !default;
+$link-hover-decoration:     underline !default;
+
+// Paragraphs
+//
+// Style p element.
+
+$paragraph-margin-bottom:   1rem !default;
 
 
 // Grid breakpoints
@@ -180,6 +161,7 @@ $grid-breakpoints: (
   lg: 992px,
   xl: 1200px
 ) !default;
+
 @include _assert-ascending($grid-breakpoints, "$grid-breakpoints");
 @include _assert-starts-at-zero($grid-breakpoints);
 
@@ -194,6 +176,7 @@ $container-max-widths: (
   lg: 960px,
   xl: 1140px
 ) !default;
+
 @include _assert-ascending($container-max-widths, "$container-max-widths");
 
 
@@ -201,95 +184,99 @@ $container-max-widths: (
 //
 // Set the number of columns and specify the width of the gutters.
 
-$grid-columns: 12 !default;
-$grid-gutter-width: 30px !default;
+$grid-columns:                12 !default;
+$grid-gutter-width:           30px !default;
 
 // Components
 //
 // Define common padding and border radius sizes and more.
 
-$line-height-lg:         1.5 !default;
-$line-height-sm:         1.5 !default;
+$line-height-lg:              1.5 !default;
+$line-height-sm:              1.5 !default;
 
-$border-width: 1px !default;
+$border-width:                1px !default;
+$border-color:                $gray-200 !default;
 
-$border-radius:          .25rem !default;
-$border-radius-lg:       .3rem !default;
-$border-radius-sm:       .2rem !default;
+$border-radius:               .25rem !default;
+$border-radius-lg:            .3rem !default;
+$border-radius-sm:            .2rem !default;
 
-$component-active-color: $white !default;
-$component-active-bg:    theme-color("primary") !default;
+$component-active-color:      $white !default;
+$component-active-bg:         theme-color("primary") !default;
 
-$caret-width:            .3em !default;
+$caret-width:                 .3em !default;
 
-$transition-base:        all .2s ease-in-out !default;
-$transition-fade:        opacity .15s linear !default;
-$transition-collapse:    height .35s ease !default;
+$transition-base:             all .2s ease-in-out !default;
+$transition-fade:             opacity .15s linear !default;
+$transition-collapse:         height .35s ease !default;
 
 
 // Fonts
 //
 // Font, line-height, and color for body text, headings, and more.
 
-$font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !default;
-$font-family-monospace:  Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
-$font-family-base:       $font-family-sans-serif !default;
+// stylelint-disable value-keyword-case
+$font-family-sans-serif:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol" !default;
+$font-family-monospace:       "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
+$font-family-base:            $font-family-sans-serif !default;
+// stylelint-enable value-keyword-case
 
-$font-size-base: 1rem !default; // Assumes the browser default, typically `16px`
-$font-size-lg:   1.25rem !default;
-$font-size-sm:   .875rem !default;
+$font-size-base:              1rem !default; // Assumes the browser default, typically `16px`
+$font-size-lg:                ($font-size-base * 1.25) !default;
+$font-size-sm:                ($font-size-base * .875) !default;
 
-$font-weight-normal: normal !default;
-$font-weight-bold: bold !default;
+$font-weight-light:           300 !default;
+$font-weight-normal:          400 !default;
+$font-weight-bold:            700 !default;
 
-$font-weight-base: $font-weight-normal !default;
-$line-height-base: 1.5 !default;
+$font-weight-base:            $font-weight-normal !default;
+$line-height-base:            1.5 !default;
 
-$h1-font-size: 2.5rem !default;
-$h2-font-size: 2rem !default;
-$h3-font-size: 1.75rem !default;
-$h4-font-size: 1.5rem !default;
-$h5-font-size: 1.25rem !default;
-$h6-font-size: 1rem !default;
+$h1-font-size:                $font-size-base * 2.5 !default;
+$h2-font-size:                $font-size-base * 2 !default;
+$h3-font-size:                $font-size-base * 1.75 !default;
+$h4-font-size:                $font-size-base * 1.5 !default;
+$h5-font-size:                $font-size-base * 1.25 !default;
+$h6-font-size:                $font-size-base !default;
 
-$headings-margin-bottom: ($spacer / 2) !default;
-$headings-font-family:   inherit !default;
-$headings-font-weight:   500 !default;
-$headings-line-height:   1.1 !default;
-$headings-color:         inherit !default;
+$headings-margin-bottom:      ($spacer / 2) !default;
+$headings-font-family:        inherit !default;
+$headings-font-weight:        500 !default;
+$headings-line-height:        1.2 !default;
+$headings-color:              inherit !default;
 
-$display1-size: 6rem !default;
-$display2-size: 5.5rem !default;
-$display3-size: 4.5rem !default;
-$display4-size: 3.5rem !default;
+$display1-size:               6rem !default;
+$display2-size:               5.5rem !default;
+$display3-size:               4.5rem !default;
+$display4-size:               3.5rem !default;
 
-$display1-weight:     300 !default;
-$display2-weight:     300 !default;
-$display3-weight:     300 !default;
-$display4-weight:     300 !default;
-$display-line-height: $headings-line-height !default;
+$display1-weight:             300 !default;
+$display2-weight:             300 !default;
+$display3-weight:             300 !default;
+$display4-weight:             300 !default;
+$display-line-height:         $headings-line-height !default;
 
-$lead-font-size:   1.25rem !default;
-$lead-font-weight: 300 !default;
+$lead-font-size:              ($font-size-base * 1.25) !default;
+$lead-font-weight:            300 !default;
 
-$small-font-size: 80% !default;
+$small-font-size:             80% !default;
 
-$text-muted: $gray-600 !default;
+$text-muted:                  $gray-600 !default;
 
-$blockquote-small-color:  $gray-600 !default;
-$blockquote-font-size:    ($font-size-base * 1.25) !default;
+$blockquote-small-color:      $gray-600 !default;
+$blockquote-font-size:        ($font-size-base * 1.25) !default;
 
-$hr-border-color: rgba($black,.1) !default;
-$hr-border-width: $border-width !default;
+$hr-border-color:             rgba($black,.1) !default;
+$hr-border-width:             $border-width !default;
 
-$mark-padding: .2em !default;
+$mark-padding:                .2em !default;
 
-$dt-font-weight: $font-weight-bold !default;
+$dt-font-weight:              $font-weight-bold !default;
 
-$kbd-box-shadow:         inset 0 -.1rem 0 rgba($black,.25) !default;
-$nested-kbd-font-weight: $font-weight-bold !default;
+$kbd-box-shadow:              inset 0 -.1rem 0 rgba($black,.25) !default;
+$nested-kbd-font-weight:      $font-weight-bold !default;
 
-$list-inline-padding: 5px !default;
+$list-inline-padding:         5px !default;
 
 $mark-bg: #fcf8e3 !default;
 
@@ -298,178 +285,181 @@ $mark-bg: #fcf8e3 !default;
 //
 // Customizes the `.table` component with basic values, each used across all table variations.
 
-$table-cell-padding:            .75rem !default;
-$table-cell-padding-sm:         .3rem !default;
+$table-cell-padding:          .75rem !default;
+$table-cell-padding-sm:       .3rem !default;
 
-$table-bg:                      transparent !default;
-$table-accent-bg:               rgba($black,.05) !default;
-$table-hover-bg:                rgba($black,.075) !default;
-$table-active-bg:               $table-hover-bg !default;
+$table-bg:                    transparent !default;
+$table-accent-bg:             rgba($black,.05) !default;
+$table-hover-bg:              rgba($black,.075) !default;
+$table-active-bg:             $table-hover-bg !default;
 
-$table-border-width:            $border-width !default;
-$table-border-color:            $gray-200 !default;
+$table-border-width:          $border-width !default;
+$table-border-color:          $gray-200 !default;
 
-$table-head-bg:                 $gray-200 !default;
-$table-head-color:              $gray-700 !default;
+$table-head-bg:               $gray-200 !default;
+$table-head-color:            $gray-700 !default;
 
-$table-inverse-bg:              $gray-900 !default;
-$table-inverse-accent-bg:       rgba($white, .05) !default;
-$table-inverse-hover-bg:        rgba($white, .075) !default;
-$table-inverse-border-color:    lighten($gray-900, 7.5%) !default;
-$table-inverse-color:           $body-bg !default;
+$table-dark-bg:               $gray-900 !default;
+$table-dark-accent-bg:        rgba($white, .05) !default;
+$table-dark-hover-bg:         rgba($white, .075) !default;
+$table-dark-border-color:     lighten($gray-900, 7.5%) !default;
+$table-dark-color:            $body-bg !default;
 
 
 // Buttons
 //
 // For each of Bootstrap's buttons, define text, background and border color.
 
-$input-btn-padding-y:       .5rem !default;
-$input-btn-padding-x:       .75rem !default;
-$input-btn-line-height:     1.25 !default;
+$input-btn-padding-y:         .375rem !default;
+$input-btn-padding-x:         .75rem !default;
+$input-btn-line-height:       $line-height-base !default;
 
-$input-btn-padding-y-sm:    .25rem !default;
-$input-btn-padding-x-sm:    .5rem !default;
-$input-btn-line-height-sm:  1.5 !default;
+$input-btn-focus-width:       .2rem !default;
+$input-btn-focus-color:       rgba(theme-color("primary"), .25) !default;
+$input-btn-focus-box-shadow:  0 0 0 $input-btn-focus-width $input-btn-focus-color !default;
 
-$input-btn-padding-y-lg:    .5rem !default;
-$input-btn-padding-x-lg:    1rem !default;
-$input-btn-line-height-lg:  1.5 !default;
+$input-btn-padding-y-sm:      .25rem !default;
+$input-btn-padding-x-sm:      .5rem !default;
+$input-btn-line-height-sm:    $line-height-sm !default;
 
-$btn-font-weight:                $font-weight-normal !default;
-$btn-box-shadow:                 inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
-$btn-focus-box-shadow:           0 0 0 3px rgba(theme-color("primary"), .25) !default;
-$btn-active-box-shadow:          inset 0 3px 5px rgba($black,.125) !default;
+$input-btn-padding-y-lg:      .5rem !default;
+$input-btn-padding-x-lg:      1rem !default;
+$input-btn-line-height-lg:    $line-height-lg !default;
 
-$btn-link-disabled-color:        $gray-600 !default;
+$btn-font-weight:             $font-weight-normal !default;
+$btn-box-shadow:              inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
+$btn-active-box-shadow:       inset 0 3px 5px rgba($black,.125) !default;
 
-$btn-block-spacing-y:            .5rem !default;
+$btn-link-disabled-color:     $gray-600 !default;
+
+$btn-block-spacing-y:         .5rem !default;
 
 // Allows for customizing button radius independently from global border radius
-$btn-border-radius:              $border-radius !default;
-$btn-border-radius-lg:           $border-radius-lg !default;
-$btn-border-radius-sm:           $border-radius-sm !default;
+$btn-border-radius:           $border-radius !default;
+$btn-border-radius-lg:        $border-radius-lg !default;
+$btn-border-radius-sm:        $border-radius-sm !default;
 
-$btn-transition:                 all .15s ease-in-out !default;
+$btn-transition:              background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out !default;
 
 
 // Forms
 
-$input-bg:                       $white !default;
-$input-disabled-bg:              $gray-200 !default;
+$input-bg:                              $white !default;
+$input-disabled-bg:                     $gray-200 !default;
 
-$input-color:                    $gray-700 !default;
-$input-border-color:             rgba($black,.15) !default;
-$input-btn-border-width:         $border-width !default; // For form controls and buttons
-$input-box-shadow:               inset 0 1px 1px rgba($black,.075) !default;
+$input-color:                           $gray-700 !default;
+$input-border-color:                    $gray-400 !default;
+$input-btn-border-width:                $border-width !default; // For form controls and buttons
+$input-box-shadow:                      inset 0 1px 1px rgba($black,.075) !default;
 
-$input-border-radius:            $border-radius !default;
-$input-border-radius-lg:         $border-radius-lg !default;
-$input-border-radius-sm:         $border-radius-sm !default;
+$input-border-radius:                   $border-radius !default;
+$input-border-radius-lg:                $border-radius-lg !default;
+$input-border-radius-sm:                $border-radius-sm !default;
 
-$input-focus-bg:                 $input-bg !default;
-$input-focus-border-color:       lighten(theme-color("primary"), 25%) !default;
-$input-focus-box-shadow:         $input-box-shadow, $btn-focus-box-shadow !default;
-$input-focus-color:              $input-color !default;
+$input-focus-bg:                        $input-bg !default;
+$input-focus-border-color:              lighten(theme-color("primary"), 25%) !default;
+$input-focus-color:                     $input-color !default;
 
-$input-placeholder-color:        $gray-600 !default;
+$input-placeholder-color:               $gray-600 !default;
 
-$input-height-border:           $input-btn-border-width * 2 !default;
+$input-height-border:                   $input-btn-border-width * 2 !default;
 
-$input-height-inner:            ($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2) !default;
-$input-height:                  calc(#{$input-height-inner} + #{$input-height-border}) !default;
+$input-height-inner:                    ($font-size-base * $input-btn-line-height) + ($input-btn-padding-y * 2) !default;
+$input-height:                          calc(#{$input-height-inner} + #{$input-height-border}) !default;
 
-$input-height-inner-sm:         ($font-size-sm * $input-btn-line-height-sm) + ($input-btn-padding-y-sm * 2) !default;
-$input-height-sm:               calc(#{$input-height-inner-sm} + #{$input-height-border}) !default;
+$input-height-inner-sm:                 ($font-size-sm * $input-btn-line-height-sm) + ($input-btn-padding-y-sm * 2) !default;
+$input-height-sm:                       calc(#{$input-height-inner-sm} + #{$input-height-border}) !default;
 
-$input-height-inner-lg:         ($font-size-sm * $input-btn-line-height-lg) + ($input-btn-padding-y-lg * 2) !default;
-$input-height-lg:               calc(#{$input-height-inner-lg} + #{$input-height-border}) !default;
+$input-height-inner-lg:                 ($font-size-lg * $input-btn-line-height-lg) + ($input-btn-padding-y-lg * 2) !default;
+$input-height-lg:                       calc(#{$input-height-inner-lg} + #{$input-height-border}) !default;
 
-$input-transition:               border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
+$input-transition:                      border-color ease-in-out .15s, box-shadow ease-in-out .15s !default;
 
-$form-text-margin-top:     .25rem !default;
+$form-text-margin-top:                  .25rem !default;
 
-$form-check-margin-bottom:  .5rem !default;
-$form-check-input-gutter:   1.25rem !default;
-$form-check-input-margin-y: .25rem !default;
-$form-check-input-margin-x: .25rem !default;
+$form-check-margin-bottom:              .5rem !default;
+$form-check-input-gutter:               1.25rem !default;
+$form-check-input-margin-y:             .25rem !default;
+$form-check-input-margin-x:             .25rem !default;
 
-$form-check-inline-margin-x: .75rem !default;
+$form-check-inline-margin-x:            .75rem !default;
 
-$form-group-margin-bottom:       1rem !default;
+$form-group-margin-bottom:              1rem !default;
 
-$input-group-addon-bg:           $gray-200 !default;
-$input-group-addon-border-color: $input-border-color !default;
+$input-group-addon-color:               $input-color !default;
+$input-group-addon-bg:                  $gray-200 !default;
+$input-group-addon-border-color:        $input-border-color !default;
 
-$custom-control-gutter:   1.5rem !default;
-$custom-control-spacer-y: .25rem !default;
-$custom-control-spacer-x: 1rem !default;
+$custom-control-gutter:                 1.5rem !default;
+$custom-control-spacer-y:               .25rem !default;
+$custom-control-spacer-x:               1rem !default;
 
-$custom-control-indicator-size:       1rem !default;
-$custom-control-indicator-bg:         #ddd !default;
-$custom-control-indicator-bg-size:    50% 50% !default;
-$custom-control-indicator-box-shadow: inset 0 .25rem .25rem rgba($black,.1) !default;
+$custom-control-indicator-size:         1rem !default;
+$custom-control-indicator-bg:           #ddd !default;
+$custom-control-indicator-bg-size:      50% 50% !default;
+$custom-control-indicator-box-shadow:   inset 0 .25rem .25rem rgba($black,.1) !default;
 
-$custom-control-indicator-disabled-bg:       $gray-200 !default;
-$custom-control-description-disabled-color:  $gray-600 !default;
+$custom-control-indicator-disabled-bg:          $gray-200 !default;
+$custom-control-description-disabled-color:     $gray-600 !default;
 
-$custom-control-indicator-checked-color:      $white !default;
-$custom-control-indicator-checked-bg:         theme-color("primary") !default;
-$custom-control-indicator-checked-box-shadow: none !default;
+$custom-control-indicator-checked-color:        $white !default;
+$custom-control-indicator-checked-bg:           theme-color("primary") !default;
+$custom-control-indicator-checked-box-shadow:   none !default;
 
-$custom-control-indicator-focus-box-shadow: 0 0 0 1px $body-bg, 0 0 0 3px theme-color("primary") !default;
+$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, $input-btn-focus-box-shadow !default;
 
-$custom-control-indicator-active-color:      $white !default;
-$custom-control-indicator-active-bg:         lighten(theme-color("primary"), 35%) !default;
-$custom-control-indicator-active-box-shadow: none !default;
+$custom-control-indicator-active-color:         $white !default;
+$custom-control-indicator-active-bg:            lighten(theme-color("primary"), 35%) !default;
+$custom-control-indicator-active-box-shadow:    none !default;
 
-$custom-checkbox-indicator-border-radius: $border-radius !default;
-$custom-checkbox-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-border-radius:       $border-radius !default;
+$custom-checkbox-indicator-icon-checked:        str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$custom-checkbox-indicator-indeterminate-bg: theme-color("primary") !default;
+$custom-checkbox-indicator-indeterminate-bg:    theme-color("primary") !default;
 $custom-checkbox-indicator-indeterminate-color: $custom-control-indicator-checked-color !default;
-$custom-checkbox-indicator-icon-indeterminate: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-icon-indeterminate:  str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
 $custom-checkbox-indicator-indeterminate-box-shadow: none !default;
 
-$custom-radio-indicator-border-radius: 50% !default;
-$custom-radio-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-radio-indicator-border-radius:          50% !default;
+$custom-radio-indicator-icon-checked:           str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$custom-select-padding-y:          .375rem !default;
-$custom-select-padding-x:          .75rem  !default;
-$custom-select-height:              $input-height  !default;
+$custom-select-padding-y:           .375rem !default;
+$custom-select-padding-x:          .75rem !default;
+$custom-select-height:              $input-height !default;
 $custom-select-indicator-padding:   1rem !default; // Extra padding to account for the presence of the background-image based indicator
 $custom-select-line-height:         $input-btn-line-height !default;
 $custom-select-color:               $input-color !default;
 $custom-select-disabled-color:      $gray-600 !default;
-$custom-select-bg:            $white !default;
-$custom-select-disabled-bg:   $gray-200 !default;
-$custom-select-bg-size:       8px 10px !default; // In pixels because image dimensions
-$custom-select-indicator-color: #333 !default;
-$custom-select-indicator:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='#{$custom-select-indicator-color}' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$custom-select-border-width:  $input-btn-border-width !default;
-$custom-select-border-color:  $input-border-color !default;
-$custom-select-border-radius: $border-radius !default;
+$custom-select-bg:                  $white !default;
+$custom-select-disabled-bg:         $gray-200 !default;
+$custom-select-bg-size:             8px 10px !default; // In pixels because image dimensions
+$custom-select-indicator-color:     #333 !default;
+$custom-select-indicator:           str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'%3E%3Cpath fill='#{$custom-select-indicator-color}' d='M2 0L0 2h4zm0 5L0 3h4z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-select-border-width:        $input-btn-border-width !default;
+$custom-select-border-color:        $input-border-color !default;
+$custom-select-border-radius:       $border-radius !default;
 
-$custom-select-focus-border-color: lighten(theme-color("primary"), 25%) !default;
-$custom-select-focus-box-shadow:   inset 0 1px 2px rgba($black, .075), 0 0 5px rgba($custom-select-focus-border-color, .5) !default;
+$custom-select-focus-border-color:  lighten(theme-color("primary"), 25%) !default;
+$custom-select-focus-box-shadow:    inset 0 1px 2px rgba($black, .075), 0 0 5px rgba($custom-select-focus-border-color, .5) !default;
 
-$custom-select-font-size-sm:  75% !default;
-$custom-select-height-sm: $input-height-sm !default;
+$custom-select-font-size-sm:        75% !default;
+$custom-select-height-sm:           $input-height-sm !default;
 
-$custom-file-height:           2.5rem !default;
-$custom-file-width:            14rem !default;
-$custom-file-focus-box-shadow: 0 0 0 .075rem $white, 0 0 0 .2rem theme-color("primary") !default;
+$custom-file-height:                $input-height !default;
+$custom-file-width:                 14rem !default;
+$custom-file-focus-box-shadow:      0 0 0 .075rem $white, 0 0 0 .2rem theme-color("primary") !default;
 
-$custom-file-padding-y:     1rem !default;
-$custom-file-padding-x:     .5rem !default;
-$custom-file-line-height:   1.5 !default;
-$custom-file-color:         $gray-700 !default;
-$custom-file-bg:            $white !default;
-$custom-file-border-width:  $border-width !default;
-$custom-file-border-color:  $input-border-color !default;
-$custom-file-border-radius: $border-radius !default;
-$custom-file-box-shadow:    inset 0 .2rem .4rem rgba($black,.05) !default;
-$custom-file-button-color:  $custom-file-color !default;
-$custom-file-button-bg:     $gray-200 !default;
+$custom-file-padding-y:             $input-btn-padding-y !default;
+$custom-file-padding-x:             $input-btn-padding-x !default;
+$custom-file-line-height:           $input-btn-line-height !default;
+$custom-file-color:                 $input-color !default;
+$custom-file-bg:                    $input-bg !default;
+$custom-file-border-width:          $input-btn-border-width !default;
+$custom-file-border-color:          $input-border-color !default;
+$custom-file-border-radius:         $input-border-radius !default;
+$custom-file-box-shadow:            $input-box-shadow !default;
+$custom-file-button-color:          $custom-file-color !default;
+$custom-file-button-bg:             $input-group-addon-bg !default;
 $custom-file-text: (
   placeholder: (
     en: "Choose file..."
@@ -481,36 +471,36 @@ $custom-file-text: (
 
 
 // Form validation
-$form-feedback-valid-color:   theme-color("success") !default;
-$form-feedback-invalid-color: theme-color("danger") !default;
+$form-feedback-valid-color:         theme-color("success") !default;
+$form-feedback-invalid-color:       theme-color("danger") !default;
 
 
 // Dropdowns
 //
 // Dropdown menu container and contents.
 
-$dropdown-min-width:             10rem !default;
-$dropdown-padding-y:             .5rem !default;
-$dropdown-spacer:                .125rem !default;
-$dropdown-bg:                    $white !default;
-$dropdown-border-color:          rgba($black,.15) !default;
-$dropdown-border-width:          $border-width !default;
-$dropdown-divider-bg:            $gray-200 !default;
-$dropdown-box-shadow:            0 .5rem 1rem rgba($black,.175) !default;
+$dropdown-min-width:                10rem !default;
+$dropdown-padding-y:                .5rem !default;
+$dropdown-spacer:                   .125rem !default;
+$dropdown-bg:                       $white !default;
+$dropdown-border-color:             rgba($black,.15) !default;
+$dropdown-border-width:             $border-width !default;
+$dropdown-divider-bg:               $gray-200 !default;
+$dropdown-box-shadow:               0 .5rem 1rem rgba($black,.175) !default;
 
-$dropdown-link-color:            $gray-900 !default;
-$dropdown-link-hover-color:      darken($gray-900, 5%) !default;
-$dropdown-link-hover-bg:         $gray-100 !default;
+$dropdown-link-color:               $gray-900 !default;
+$dropdown-link-hover-color:         darken($gray-900, 5%) !default;
+$dropdown-link-hover-bg:            $gray-100 !default;
 
-$dropdown-link-active-color:     $component-active-color !default;
-$dropdown-link-active-bg:        $component-active-bg !default;
+$dropdown-link-active-color:        $component-active-color !default;
+$dropdown-link-active-bg:           $component-active-bg !default;
 
-$dropdown-link-disabled-color:   $gray-600 !default;
+$dropdown-link-disabled-color:      $gray-600 !default;
 
-$dropdown-item-padding-y:        .25rem !default;
-$dropdown-item-padding-x:        1.5rem !default;
+$dropdown-item-padding-y:           .25rem !default;
+$dropdown-item-padding-x:           1.5rem !default;
 
-$dropdown-header-color:          $gray-600 !default;
+$dropdown-header-color:             $gray-600 !default;
 
 
 // Z-index master list
@@ -518,31 +508,31 @@ $dropdown-header-color:          $gray-600 !default;
 // Warning: Avoid customizing these values. They're used for a bird's eye view
 // of components dependent on the z-axis and are designed to all work together.
 
-$zindex-dropdown:           1000 !default;
-$zindex-sticky:             1020 !default;
-$zindex-fixed:              1030 !default;
-$zindex-modal-backdrop:     1040 !default;
-$zindex-modal:              1050 !default;
-$zindex-popover:            1060 !default;
-$zindex-tooltip:            1070 !default;
+$zindex-dropdown:                   1000 !default;
+$zindex-sticky:                     1020 !default;
+$zindex-fixed:                      1030 !default;
+$zindex-modal-backdrop:             1040 !default;
+$zindex-modal:                      1050 !default;
+$zindex-popover:                    1060 !default;
+$zindex-tooltip:                    1070 !default;
 
 // Navs
 
-$nav-link-padding-y:            .5rem !default;
-$nav-link-padding-x:            1rem !default;
-$nav-link-disabled-color:       $gray-600 !default;
+$nav-link-padding-y:                .5rem !default;
+$nav-link-padding-x:                1rem !default;
+$nav-link-disabled-color:           $gray-600 !default;
 
-$nav-tabs-border-color:                       #ddd !default;
-$nav-tabs-border-width:                       $border-width !default;
-$nav-tabs-border-radius:                      $border-radius !default;
-$nav-tabs-link-hover-border-color:            $gray-200 !default;
-$nav-tabs-link-active-color:                  $gray-700 !default;
-$nav-tabs-link-active-bg:                     $body-bg !default;
-$nav-tabs-link-active-border-color:           #ddd !default;
+$nav-tabs-border-color:             #ddd !default;
+$nav-tabs-border-width:             $border-width !default;
+$nav-tabs-border-radius:            $border-radius !default;
+$nav-tabs-link-hover-border-color:  $gray-200 !default;
+$nav-tabs-link-active-color:        $gray-700 !default;
+$nav-tabs-link-active-bg:           $body-bg !default;
+$nav-tabs-link-active-border-color: #ddd !default;
 
-$nav-pills-border-radius:     $border-radius !default;
-$nav-pills-link-active-color: $component-active-color !default;
-$nav-pills-link-active-bg:    $component-active-bg !default;
+$nav-pills-border-radius:           $border-radius !default;
+$nav-pills-link-active-color:       $component-active-color !default;
+$nav-pills-link-active-bg:          $component-active-bg !default;
 
 // Navbar
 
@@ -551,287 +541,288 @@ $navbar-padding-x:                  $spacer !default;
 
 $navbar-brand-font-size:            $font-size-lg !default;
 // Compute the navbar-brand padding-y so the navbar-brand will have the same height as navbar-text and nav-link
-$nav-link-height:                   $navbar-brand-font-size * $line-height-base !default;
-$navbar-brand-height:               ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
-$navbar-brand-padding-y:            ($navbar-brand-height - $nav-link-height) / 2 !default;
+$nav-link-height:                   ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
+$navbar-brand-height:               $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-padding-y:            ($nav-link-height - $navbar-brand-height) / 2 !default;
 
-$navbar-toggler-padding-y:           .25rem !default;
-$navbar-toggler-padding-x:           .75rem !default;
-$navbar-toggler-font-size:           $font-size-lg !default;
-$navbar-toggler-border-radius:       $btn-border-radius !default;
+$navbar-toggler-padding-y:          .25rem !default;
+$navbar-toggler-padding-x:          .75rem !default;
+$navbar-toggler-font-size:          $font-size-lg !default;
+$navbar-toggler-border-radius:      $btn-border-radius !default;
 
 $navbar-dark-color:                 rgba($white,.5) !default;
 $navbar-dark-hover-color:           rgba($white,.75) !default;
-$navbar-dark-active-color:          rgba($white,1) !default;
+$navbar-dark-active-color:          $white !default;
 $navbar-dark-disabled-color:        rgba($white,.25) !default;
-$navbar-dark-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-dark-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-dark-toggler-icon-bg:       str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-dark-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
 $navbar-dark-toggler-border-color:  rgba($white,.1) !default;
 
 $navbar-light-color:                rgba($black,.5) !default;
 $navbar-light-hover-color:          rgba($black,.7) !default;
 $navbar-light-active-color:         rgba($black,.9) !default;
 $navbar-light-disabled-color:       rgba($black,.3) !default;
-$navbar-light-toggler-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
+$navbar-light-toggler-icon-bg:      str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='#{$navbar-light-color}' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E"), "#", "%23") !default;
 $navbar-light-toggler-border-color: rgba($black,.1) !default;
 
 // Pagination
 
-$pagination-padding-y:                .5rem !default;
-$pagination-padding-x:                .75rem !default;
-$pagination-padding-y-sm:             .25rem !default;
-$pagination-padding-x-sm:             .5rem !default;
-$pagination-padding-y-lg:             .75rem !default;
-$pagination-padding-x-lg:             1.5rem !default;
-$pagination-line-height:              1.25 !default;
+$pagination-padding-y:              .5rem !default;
+$pagination-padding-x:              .75rem !default;
+$pagination-padding-y-sm:           .25rem !default;
+$pagination-padding-x-sm:           .5rem !default;
+$pagination-padding-y-lg:           .75rem !default;
+$pagination-padding-x-lg:           1.5rem !default;
+$pagination-line-height:            1.25 !default;
 
-$pagination-color:                     $link-color !default;
-$pagination-bg:                        $white !default;
-$pagination-border-width:              $border-width !default;
-$pagination-border-color:              #ddd !default;
+$pagination-color:                  $link-color !default;
+$pagination-bg:                     $white !default;
+$pagination-border-width:           $border-width !default;
+$pagination-border-color:           #ddd !default;
 
-$pagination-hover-color:               $link-hover-color !default;
-$pagination-hover-bg:                  $gray-200 !default;
-$pagination-hover-border-color:        #ddd !default;
+$pagination-hover-color:            $link-hover-color !default;
+$pagination-hover-bg:               $gray-200 !default;
+$pagination-hover-border-color:     #ddd !default;
 
-$pagination-active-color:              $white !default;
-$pagination-active-bg:                 theme-color("primary") !default;
-$pagination-active-border-color:       theme-color("primary") !default;
+$pagination-active-color:           $white !default;
+$pagination-active-bg:              theme-color("primary") !default;
+$pagination-active-border-color:    theme-color("primary") !default;
 
-$pagination-disabled-color:            $gray-600 !default;
-$pagination-disabled-bg:               $white !default;
-$pagination-disabled-border-color:     #ddd !default;
+$pagination-disabled-color:         $gray-600 !default;
+$pagination-disabled-bg:            $white !default;
+$pagination-disabled-border-color:  #ddd !default;
 
 
 // Jumbotron
 
-$jumbotron-padding:              2rem !default;
-$jumbotron-bg:                   $gray-200 !default;
+$jumbotron-padding:                 2rem !default;
+$jumbotron-bg:                      $gray-200 !default;
 
 
 // Cards
 
-$card-spacer-y:            .75rem !default;
-$card-spacer-x:            1.25rem !default;
-$card-border-width:        1px !default;
-$card-border-radius:       $border-radius !default;
-$card-border-color:        rgba($black,.125) !default;
-$card-inner-border-radius: calc(#{$card-border-radius} - #{$card-border-width}) !default;
-$card-cap-bg:              rgba($black, .03) !default;
-$card-bg:                  $white !default;
+$card-spacer-y:                     .75rem !default;
+$card-spacer-x:                     1.25rem !default;
+$card-border-width:                 $border-width !default;
+$card-border-radius:                $border-radius !default;
+$card-border-color:                 rgba($black,.125) !default;
+$card-inner-border-radius:          calc(#{$card-border-radius} - #{$card-border-width}) !default;
+$card-cap-bg:                       rgba($black, .03) !default;
+$card-bg:                           $white !default;
 
-$card-img-overlay-padding: 1.25rem !default;
+$card-img-overlay-padding:          1.25rem !default;
 
-$card-deck-margin:          ($grid-gutter-width / 2) !default;
+$card-group-margin:                 ($grid-gutter-width / 2) !default;
+$card-deck-margin:                  $card-group-margin !default;
 
-$card-columns-count:        3 !default;
-$card-columns-gap:          1.25rem !default;
-$card-columns-margin:       $card-spacer-y !default;
+$card-columns-count:                3 !default;
+$card-columns-gap:                  1.25rem !default;
+$card-columns-margin:               $card-spacer-y !default;
 
 
 // Tooltips
 
-$tooltip-max-width:           200px !default;
-$tooltip-color:               $white !default;
-$tooltip-bg:                  $black !default;
-$tooltip-opacity:             .9 !default;
-$tooltip-padding-y:           3px !default;
-$tooltip-padding-x:           8px !default;
-$tooltip-margin:              0 !default;
+$tooltip-max-width:                 200px !default;
+$tooltip-color:                     $white !default;
+$tooltip-bg:                        $black !default;
+$tooltip-opacity:                   .9 !default;
+$tooltip-padding-y:                 3px !default;
+$tooltip-padding-x:                 8px !default;
+$tooltip-margin:                    0 !default;
 
 
-$tooltip-arrow-width:         5px !default;
-$tooltip-arrow-height:        5px !default;
-$tooltip-arrow-color:         $tooltip-bg !default;
+$tooltip-arrow-width:               5px !default;
+$tooltip-arrow-height:              5px !default;
+$tooltip-arrow-color:               $tooltip-bg !default;
 
 
 // Popovers
 
-$popover-inner-padding:               1px !default;
-$popover-bg:                          $white !default;
-$popover-max-width:                   276px !default;
-$popover-border-width:                $border-width !default;
-$popover-border-color:                rgba($black,.2) !default;
-$popover-box-shadow:                  0 5px 10px rgba($black,.2) !default;
+$popover-bg:                        $white !default;
+$popover-max-width:                 276px !default;
+$popover-border-width:              $border-width !default;
+$popover-border-color:              rgba($black,.2) !default;
+$popover-box-shadow:                0 .25rem .5rem rgba($black,.2) !default;
 
-$popover-header-bg:                    darken($popover-bg, 3%) !default;
-$popover-header-color:                 $headings-color !default;
-$popover-header-padding-y:             8px !default;
-$popover-header-padding-x:             14px !default;
+$popover-header-bg:                 darken($popover-bg, 3%) !default;
+$popover-header-color:              $headings-color !default;
+$popover-header-padding-y:          .5rem !default;
+$popover-header-padding-x:          .75rem !default;
 
-$popover-body-color:               $body-color !default;
-$popover-body-padding-y:           9px !default;
-$popover-body-padding-x:           14px !default;
+$popover-body-color:                $body-color !default;
+$popover-body-padding-y:            $popover-header-padding-y !default;
+$popover-body-padding-x:            $popover-header-padding-x !default;
 
-$popover-arrow-width:                 10px !default;
-$popover-arrow-height:                5px !default;
-$popover-arrow-color:                 $popover-bg !default;
+$popover-arrow-width:               .8rem !default;
+$popover-arrow-height:              .4rem !default;
+$popover-arrow-color:               $popover-bg !default;
 
-$popover-arrow-outer-width:           ($popover-arrow-width + 1px) !default;
-$popover-arrow-outer-color:           fade-in($popover-border-color, .05) !default;
+$popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;
 
 
 // Badges
 
-$badge-color:                 $white !default;
-$badge-font-size:             75% !default;
-$badge-font-weight:           $font-weight-bold !default;
-$badge-padding-y:             .25em !default;
-$badge-padding-x:             .4em !default;
+$badge-font-size:                   75% !default;
+$badge-font-weight:                 $font-weight-bold !default;
+$badge-padding-y:                   .25em !default;
+$badge-padding-x:                   .4em !default;
+$badge-border-radius:               $border-radius !default;
 
-$badge-pill-padding-x:        .6em !default;
+$badge-pill-padding-x:              .6em !default;
 // Use a higher than normal value to ensure completely rounded edges when
 // customizing padding or font-size on labels.
-$badge-pill-border-radius:    10rem !default;
+$badge-pill-border-radius:          10rem !default;
 
 
 // Modals
 
 // Padding applied to the modal body
-$modal-inner-padding:         15px !default;
+$modal-inner-padding:               15px !default;
 
-$modal-dialog-margin:         10px !default;
-$modal-dialog-margin-y-sm-up: 30px !default;
+$modal-dialog-margin:               10px !default;
+$modal-dialog-margin-y-sm-up:       30px !default;
 
-$modal-title-line-height:     $line-height-base !default;
+$modal-title-line-height:           $line-height-base !default;
 
-$modal-content-bg:               $white !default;
-$modal-content-border-color:     rgba($black,.2) !default;
-$modal-content-border-width:     $border-width !default;
-$modal-content-box-shadow-xs:    0 3px 9px rgba($black,.5) !default;
-$modal-content-box-shadow-sm-up: 0 5px 15px rgba($black,.5) !default;
+$modal-content-bg:                  $white !default;
+$modal-content-border-color:        rgba($black,.2) !default;
+$modal-content-border-width:        $border-width !default;
+$modal-content-box-shadow-xs:       0 3px 9px rgba($black,.5) !default;
+$modal-content-box-shadow-sm-up:    0 5px 15px rgba($black,.5) !default;
 
-$modal-backdrop-bg:           $black !default;
-$modal-backdrop-opacity:      .5 !default;
-$modal-header-border-color:   $gray-200 !default;
-$modal-footer-border-color:   $modal-header-border-color !default;
-$modal-header-border-width:   $modal-content-border-width !default;
-$modal-footer-border-width:   $modal-header-border-width !default;
-$modal-header-padding:        15px !default;
+$modal-backdrop-bg:                 $black !default;
+$modal-backdrop-opacity:            .5 !default;
+$modal-header-border-color:         $gray-200 !default;
+$modal-footer-border-color:         $modal-header-border-color !default;
+$modal-header-border-width:         $modal-content-border-width !default;
+$modal-footer-border-width:         $modal-header-border-width !default;
+$modal-header-padding:              15px !default;
 
-$modal-lg:                    800px !default;
-$modal-md:                    500px !default;
-$modal-sm:                    300px !default;
+$modal-lg:                          800px !default;
+$modal-md:                          500px !default;
+$modal-sm:                          300px !default;
 
-$modal-transition:            transform .3s ease-out !default;
+$modal-transition:                  transform .3s ease-out !default;
 
 
 // Alerts
 //
 // Define alert colors, border radius, and padding.
 
-$alert-padding-y:             .75rem !default;
-$alert-padding-x:             1.25rem !default;
-$alert-margin-bottom:         1rem !default;
-$alert-border-radius:         $border-radius !default;
-$alert-link-font-weight:      $font-weight-bold !default;
-$alert-border-width:          $border-width !default;
+$alert-padding-y:                   .75rem !default;
+$alert-padding-x:                   1.25rem !default;
+$alert-margin-bottom:               1rem !default;
+$alert-border-radius:               $border-radius !default;
+$alert-link-font-weight:            $font-weight-bold !default;
+$alert-border-width:                $border-width !default;
 
 
 // Progress bars
 
-$progress-height:               1rem !default;
-$progress-font-size:            .75rem !default;
-$progress-bg:                   $gray-200 !default;
-$progress-border-radius:        $border-radius !default;
-$progress-box-shadow:           inset 0 .1rem .1rem rgba($black,.1) !default;
-$progress-bar-color:            $white !default;
-$progress-bar-bg:               theme-color("primary") !default;
-$progress-bar-animation-timing: 1s linear infinite !default;
-$progress-bar-transition:       width .6s ease !default;
+$progress-height:                   1rem !default;
+$progress-font-size:                ($font-size-base * .75) !default;
+$progress-bg:                       $gray-200 !default;
+$progress-border-radius:            $border-radius !default;
+$progress-box-shadow:               inset 0 .1rem .1rem rgba($black,.1) !default;
+$progress-bar-color:                $white !default;
+$progress-bar-bg:                   theme-color("primary") !default;
+$progress-bar-animation-timing:     1s linear infinite !default;
+$progress-bar-transition:           width .6s ease !default;
 
 // List group
 
-$list-group-bg:                  $white !default;
-$list-group-border-color:        rgba($black,.125) !default;
-$list-group-border-width:        $border-width !default;
-$list-group-border-radius:       $border-radius !default;
+$list-group-bg:                     $white !default;
+$list-group-border-color:           rgba($black,.125) !default;
+$list-group-border-width:           $border-width !default;
+$list-group-border-radius:          $border-radius !default;
 
-$list-group-item-padding-y:      .75rem !default;
-$list-group-item-padding-x:      1.25rem !default;
+$list-group-item-padding-y:         .75rem !default;
+$list-group-item-padding-x:         1.25rem !default;
 
-$list-group-hover-bg:                 $gray-100 !default;
-$list-group-active-color:             $component-active-color !default;
-$list-group-active-bg:                $component-active-bg !default;
-$list-group-active-border-color:      $list-group-active-bg !default;
+$list-group-hover-bg:               $gray-100 !default;
+$list-group-active-color:           $component-active-color !default;
+$list-group-active-bg:              $component-active-bg !default;
+$list-group-active-border-color:    $list-group-active-bg !default;
 
-$list-group-disabled-color:      $gray-600 !default;
-$list-group-disabled-bg:         $list-group-bg !default;
+$list-group-disabled-color:         $gray-600 !default;
+$list-group-disabled-bg:            $list-group-bg !default;
 
-$list-group-action-color:             $gray-700 !default;
-$list-group-action-hover-color:       $list-group-action-color !default;
+$list-group-action-color:           $gray-700 !default;
+$list-group-action-hover-color:     $list-group-action-color !default;
 
-$list-group-action-active-color:      $body-color !default;
-$list-group-action-active-bg:         $gray-200 !default;
+$list-group-action-active-color:    $body-color !default;
+$list-group-action-active-bg:       $gray-200 !default;
 
 
 // Image thumbnails
 
-$thumbnail-padding:           .25rem !default;
-$thumbnail-bg:                $body-bg !default;
-$thumbnail-border-width:      $border-width !default;
-$thumbnail-border-color:      #ddd !default;
-$thumbnail-border-radius:     $border-radius !default;
-$thumbnail-box-shadow:        0 1px 2px rgba($black,.075) !default;
-$thumbnail-transition:        all .2s ease-in-out !default;
+$thumbnail-padding:                 .25rem !default;
+$thumbnail-bg:                      $body-bg !default;
+$thumbnail-border-width:            $border-width !default;
+$thumbnail-border-color:            #ddd !default;
+$thumbnail-border-radius:           $border-radius !default;
+$thumbnail-box-shadow:              0 1px 2px rgba($black,.075) !default;
+$thumbnail-transition:              all .2s ease-in-out !default;
 
 
 // Figures
 
-$figure-caption-font-size: 90% !default;
-$figure-caption-color:     $gray-600 !default;
+$figure-caption-font-size:          90% !default;
+$figure-caption-color:              $gray-600 !default;
 
 
 // Breadcrumbs
 
-$breadcrumb-padding-y:          .75rem !default;
-$breadcrumb-padding-x:          1rem !default;
-$breadcrumb-item-padding:       .5rem !default;
+$breadcrumb-padding-y:              .75rem !default;
+$breadcrumb-padding-x:              1rem !default;
+$breadcrumb-item-padding:           .5rem !default;
 
-$breadcrumb-bg:                 $gray-200 !default;
-$breadcrumb-divider-color:      $gray-600 !default;
-$breadcrumb-active-color:       $gray-600 !default;
-$breadcrumb-divider:            "/" !default;
+$breadcrumb-margin-bottom:          1rem !default;
+
+$breadcrumb-bg:                     $gray-200 !default;
+$breadcrumb-divider-color:          $gray-600 !default;
+$breadcrumb-active-color:           $gray-600 !default;
+$breadcrumb-divider:                "/" !default;
 
 
 // Carousel
 
-$carousel-control-color:                      $white !default;
-$carousel-control-width:                      15% !default;
-$carousel-control-opacity:                    .5 !default;
+$carousel-control-color:            $white !default;
+$carousel-control-width:            15% !default;
+$carousel-control-opacity:          .5 !default;
 
-$carousel-indicator-width:                    30px !default;
-$carousel-indicator-height:                   3px !default;
-$carousel-indicator-spacer:                   3px !default;
-$carousel-indicator-active-bg:                $white !default;
+$carousel-indicator-width:          30px !default;
+$carousel-indicator-height:         3px !default;
+$carousel-indicator-spacer:         3px !default;
+$carousel-indicator-active-bg:      $white !default;
 
-$carousel-caption-width:                      70% !default;
-$carousel-caption-color:                      $white !default;
+$carousel-caption-width:            70% !default;
+$carousel-caption-color:            $white !default;
 
-$carousel-control-icon-width:                 20px !default;
+$carousel-control-icon-width:       20px !default;
 
-$carousel-control-prev-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M4 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
-$carousel-control-next-icon-bg: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M1.5 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$carousel-control-prev-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$carousel-control-next-icon-bg:     str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='#{$carousel-control-color}' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$carousel-transition:           transform .6s ease !default;
+$carousel-transition:               transform .6s ease !default;
 
 
 // Close
 
-$close-font-size:             $font-size-base * 1.5 !default;
-$close-font-weight:           $font-weight-bold !default;
-$close-color:                 $black !default;
-$close-text-shadow:           0 1px 0 $white !default;
+$close-font-size:                   $font-size-base * 1.5 !default;
+$close-font-weight:                 $font-weight-bold !default;
+$close-color:                       $black !default;
+$close-text-shadow:                 0 1px 0 $white !default;
 
 // Code
 
-$code-font-size:              90% !default;
-$code-padding-y:              .2rem !default;
-$code-padding-x:              .4rem !default;
-$code-color:                  #bd4147 !default;
-$code-bg:                     $gray-100 !default;
+$code-font-size:                    90% !default;
+$code-padding-y:                    .2rem !default;
+$code-padding-x:                    .4rem !default;
+$code-color:                        #bd4147 !default;
+$code-bg:                           $gray-100 !default;
 
-$kbd-color:                   $white !default;
-$kbd-bg:                      $gray-900 !default;
+$kbd-color:                         $white !default;
+$kbd-bg:                            $gray-900 !default;
 
-$pre-color:                   $gray-900 !default;
-$pre-scrollable-max-height:   340px !default;
+$pre-color:                         $gray-900 !default;
+$pre-scrollable-max-height:         340px !default;
diff --git a/React_Starter/scss/bootstrap/bootstrap-grid.scss b/React_Starter/scss/bootstrap/bootstrap-grid.scss
index 4b2bddd..d7d4e78 100755
--- a/React_Starter/scss/bootstrap/bootstrap-grid.scss
+++ b/React_Starter/scss/bootstrap/bootstrap-grid.scss
@@ -1,14 +1,12 @@
-// Bootstrap Grid only
-//
-// Includes relevant variables and mixins for the flexbox grid
-// system, as well as the generated predefined classes (e.g., `.col-sm-4`).
-
-//
-// Box sizing, responsive, and more
-//
+/*!
+ * Bootstrap Grid v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 
 @at-root {
-  @-ms-viewport { width: device-width; }
+  @-ms-viewport { width: device-width; } // stylelint-disable-line at-rule-no-vendor-prefix
 }
 
 html {
diff --git a/React_Starter/scss/bootstrap/bootstrap-reboot.scss b/React_Starter/scss/bootstrap/bootstrap-reboot.scss
index 2700a57..3bc8760 100755
--- a/React_Starter/scss/bootstrap/bootstrap-reboot.scss
+++ b/React_Starter/scss/bootstrap/bootstrap-reboot.scss
@@ -1,9 +1,12 @@
-// Bootstrap Reboot only
-//
-// Includes only Normalize and our custom Reboot reset.
+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 
 @import "functions";
 @import "variables";
 @import "mixins";
-
 @import "reboot";
diff --git a/React_Starter/scss/bootstrap/bootstrap.scss b/React_Starter/scss/bootstrap/bootstrap.scss
index 648f446..bfeffac 100755
--- a/React_Starter/scss/bootstrap/bootstrap.scss
+++ b/React_Starter/scss/bootstrap/bootstrap.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
@@ -8,6 +8,7 @@
 @import "functions";
 @import "variables";
 @import "mixins";
+@import "root";
 @import "print";
 @import "reboot";
 @import "type";
diff --git a/React_Starter/scss/bootstrap/mixins/_alert.scss b/React_Starter/scss/bootstrap/mixins/_alert.scss
index d938e89..db5a7eb 100755
--- a/React_Starter/scss/bootstrap/mixins/_alert.scss
+++ b/React_Starter/scss/bootstrap/mixins/_alert.scss
@@ -1,6 +1,6 @@
 @mixin alert-variant($background, $border, $color) {
   color: $color;
-  background-color: $background;
+  @include gradient-bg($background);
   border-color: $border;
 
   hr {
diff --git a/React_Starter/scss/bootstrap/mixins/_background-variant.scss b/React_Starter/scss/bootstrap/mixins/_background-variant.scss
index 54a734d..7d1bc97 100755
--- a/React_Starter/scss/bootstrap/mixins/_background-variant.scss
+++ b/React_Starter/scss/bootstrap/mixins/_background-variant.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Contextual backgrounds
 
 @mixin bg-variant($parent, $color) {
@@ -10,3 +12,9 @@
     }
   }
 }
+
+@mixin bg-gradient-variant($parent, $color) {
+  #{$parent} {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
+  }
+}
diff --git a/React_Starter/scss/bootstrap/mixins/_badge.scss b/React_Starter/scss/bootstrap/mixins/_badge.scss
index 257a6ab..eeca0b4 100755
--- a/React_Starter/scss/bootstrap/mixins/_badge.scss
+++ b/React_Starter/scss/bootstrap/mixins/_badge.scss
@@ -1,10 +1,10 @@
 @mixin badge-variant($bg) {
-  @include color-yiq($bg);
+  color: color-yiq($bg);
   background-color: $bg;
 
   &[href] {
     @include hover-focus {
-      @include color-yiq($bg);
+      color: color-yiq($bg);
       text-decoration: none;
       background-color: darken($bg, 10%);
     }
diff --git a/React_Starter/scss/bootstrap/mixins/_breakpoints.scss b/React_Starter/scss/bootstrap/mixins/_breakpoints.scss
index 8d7378d..a9866bd 100755
--- a/React_Starter/scss/bootstrap/mixins/_breakpoints.scss
+++ b/React_Starter/scss/bootstrap/mixins/_breakpoints.scss
@@ -81,8 +81,18 @@
   $min: breakpoint-min($lower, $breakpoints);
   $max: breakpoint-max($upper, $breakpoints);
 
-  @media (min-width: $min) and (max-width: $max) {
-    @content;
+  @if $min != null and $max != null {
+    @media (min-width: $min) and (max-width: $max) {
+      @content;
+    }
+  } @else if $max == null {
+    @include media-breakpoint-up($lower) {
+      @content;
+    }
+  } @else if $min == null {
+    @include media-breakpoint-down($upper) {
+      @content;
+    }
   }
 }
 
@@ -98,8 +108,12 @@
       @content;
     }
   } @else if $max == null {
-    @include media-breakpoint-up($name)
+    @include media-breakpoint-up($name) {
+      @content;
+    }
   } @else if $min == null {
-    @include media-breakpoint-down($name)
+    @include media-breakpoint-down($name) {
+      @content;
+    }
   }
 }
diff --git a/React_Starter/scss/bootstrap/mixins/_buttons.scss b/React_Starter/scss/bootstrap/mixins/_buttons.scss
index f7ec576..9e06261 100755
--- a/React_Starter/scss/bootstrap/mixins/_buttons.scss
+++ b/React_Starter/scss/bootstrap/mixins/_buttons.scss
@@ -3,25 +3,25 @@
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 
-@mixin button-variant($background, $border, $active-background: darken($background, 7.5%), $active-border: darken($border, 10%)) {
-  @include color-yiq($background);
-  background-color: $background;
+@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
+  color: color-yiq($background);
+  @include gradient-bg($background);
   border-color: $border;
   @include box-shadow($btn-box-shadow);
 
-  &:hover {
-    @include color-yiq($background);
-    background-color: $active-background;
-    border-color: $active-border;
+  @include hover {
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
   }
 
   &:focus,
   &.focus {
     // Avoid using mixin so we can pass custom focus shadow properly
     @if $enable-shadows {
-      box-shadow: $btn-box-shadow, 0 0 0 3px rgba($border, .5);
+      box-shadow: $btn-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
     } @else {
-      box-shadow: 0 0 0 3px rgba($border, .5);
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
     }
   }
 
@@ -32,13 +32,22 @@
     border-color: $border;
   }
 
-  &:active,
-  &.active,
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
     background-color: $active-background;
-    background-image: none; // Remove the gradient for the pressed/active state
+    @if $enable-gradients {
+      background-image: none; // Remove the gradient for the pressed/active state
+    }
     border-color: $active-border;
-    @include box-shadow($btn-active-box-shadow);
+
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $btn-active-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
+    } @else {
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
+    }
   }
 }
 
@@ -56,7 +65,7 @@
 
   &:focus,
   &.focus {
-    box-shadow: 0 0 0 3px rgba($color, .5);
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 
   &.disabled,
@@ -65,12 +74,14 @@
     background-color: transparent;
   }
 
-  &:active,
-  &.active,
+  &:not([disabled]):not(.disabled):active,
+  &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
     color: $color-hover;
     background-color: $color;
     border-color: $color;
+    // Avoid using mixin so we can pass custom focus shadow properly
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 }
 
diff --git a/React_Starter/scss/bootstrap/mixins/_caret.scss b/React_Starter/scss/bootstrap/mixins/_caret.scss
new file mode 100755
index 0000000..daab9d0
--- /dev/null
+++ b/React_Starter/scss/bootstrap/mixins/_caret.scss
@@ -0,0 +1,35 @@
+@mixin caret-down {
+  border-top: $caret-width solid;
+  border-right: $caret-width solid transparent;
+  border-bottom: 0;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret-up {
+  border-top: 0;
+  border-right: $caret-width solid transparent;
+  border-bottom: $caret-width solid;
+  border-left: $caret-width solid transparent;
+}
+
+@mixin caret($direction: down) {
+  @if $enable-caret {
+    &::after {
+      display: inline-block;
+      width: 0;
+      height: 0;
+      margin-left: $caret-width * .85;
+      vertical-align: $caret-width * .85;
+      content: "";
+      @if $direction == down {
+        @include caret-down;
+      } @else if $direction == up {
+        @include caret-up;
+      }
+    }
+
+    &:empty::after {
+      margin-left: 0;
+    }
+  }
+}
diff --git a/React_Starter/scss/bootstrap/mixins/_float.scss b/React_Starter/scss/bootstrap/mixins/_float.scss
index b43116f..48fa8b6 100755
--- a/React_Starter/scss/bootstrap/mixins/_float.scss
+++ b/React_Starter/scss/bootstrap/mixins/_float.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 @mixin float-left {
   float: left !important;
 }
diff --git a/React_Starter/scss/bootstrap/mixins/_forms.scss b/React_Starter/scss/bootstrap/mixins/_forms.scss
index 4a1e0bc..19d5280 100755
--- a/React_Starter/scss/bootstrap/mixins/_forms.scss
+++ b/React_Starter/scss/bootstrap/mixins/_forms.scss
@@ -1,7 +1,7 @@
 // Form control focus state
 //
 // Generate a customized focus state and for any input with the specified color,
-// which defaults to the `@input-border-color-focus` variable.
+// which defaults to the `$input-focus-border-color` variable.
 //
 // We highly encourage you to not customize the default value, but instead use
 // this to tweak colors on an as-needed basis. This aesthetic change is based on
@@ -16,13 +16,40 @@
     background-color: $input-focus-bg;
     border-color: $input-focus-border-color;
     outline: none;
-    @include box-shadow($input-focus-box-shadow);
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $input-box-shadow, $input-btn-focus-box-shadow;
+    } @else {
+      box-shadow: $input-btn-focus-box-shadow;
+    }
   }
 }
 
 
 @mixin form-validation-state($state, $color) {
 
+  .#{$state}-feedback {
+    display: none;
+    margin-top: .25rem;
+    font-size: .875rem;
+    color: $color;
+  }
+
+  .#{$state}-tooltip {
+    position: absolute;
+    top: 100%;
+    z-index: 5;
+    display: none;
+    width: 250px;
+    padding: .5rem;
+    margin-top: .1rem;
+    font-size: .875rem;
+    line-height: 1;
+    color: #fff;
+    background-color: rgba($color,.8);
+    border-radius: .2rem;
+  }
+
   .form-control,
   .custom-select {
     .was-validated &:#{$state},
@@ -33,8 +60,8 @@
         box-shadow: 0 0 0 .2rem rgba($color,.25);
       }
 
-      ~ .invalid-feedback,
-      ~ .invalid-tooltip {
+      ~ .#{$state}-feedback,
+      ~ .#{$state}-tooltip {
         display: block;
       }
     }
diff --git a/React_Starter/scss/bootstrap/mixins/_gradients.scss b/React_Starter/scss/bootstrap/mixins/_gradients.scss
index bad79f9..ecd01f7 100755
--- a/React_Starter/scss/bootstrap/mixins/_gradients.scss
+++ b/React_Starter/scss/bootstrap/mixins/_gradients.scss
@@ -1,5 +1,13 @@
 // Gradients
 
+@mixin gradient-bg($color) {
+  @if $enable-gradients {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
+  } @else {
+    background-color: $color;
+  }
+}
+
 // Horizontal gradient, from left to right
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
diff --git a/React_Starter/scss/bootstrap/mixins/_grid-framework.scss b/React_Starter/scss/bootstrap/mixins/_grid-framework.scss
index d8195dd..41bdf46 100755
--- a/React_Starter/scss/bootstrap/mixins/_grid-framework.scss
+++ b/React_Starter/scss/bootstrap/mixins/_grid-framework.scss
@@ -10,7 +10,7 @@
     width: 100%;
     min-height: 1px; // Prevent columns from collapsing when empty
     padding-right: ($gutter / 2);
-    padding-left:  ($gutter / 2);
+    padding-left: ($gutter / 2);
   }
 
   @each $breakpoint in map-keys($breakpoints) {
@@ -46,11 +46,24 @@
         }
       }
 
+      .order#{$infix}-first {
+        order: -1;
+      }
+
       @for $i from 1 through $columns {
         .order#{$infix}-#{$i} {
           order: $i;
         }
       }
+
+      // `$columns - 1` because offsetting by the width of an entire row isn't possible
+      @for $i from 0 through ($columns - 1) {
+        @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
+          .offset#{$infix}-#{$i} {
+            @include make-col-offset($i, $columns);
+          }
+        }
+      }
     }
   }
 }
diff --git a/React_Starter/scss/bootstrap/mixins/_grid.scss b/React_Starter/scss/bootstrap/mixins/_grid.scss
index 67dbcd3..b75ebcb 100755
--- a/React_Starter/scss/bootstrap/mixins/_grid.scss
+++ b/React_Starter/scss/bootstrap/mixins/_grid.scss
@@ -3,11 +3,11 @@
 // Generate semantic grid columns with these mixins.
 
 @mixin make-container() {
+  width: 100%;
+  padding-right: ($grid-gutter-width / 2);
+  padding-left: ($grid-gutter-width / 2);
   margin-right: auto;
   margin-left: auto;
-  padding-right: ($grid-gutter-width / 2);
-  padding-left:  ($grid-gutter-width / 2);
-  width: 100%;
 }
 
 
@@ -24,7 +24,7 @@
   display: flex;
   flex-wrap: wrap;
   margin-right: ($grid-gutter-width / -2);
-  margin-left:  ($grid-gutter-width / -2);
+  margin-left: ($grid-gutter-width / -2);
 }
 
 @mixin make-col-ready() {
@@ -35,7 +35,7 @@
   width: 100%;
   min-height: 1px; // Prevent collapsing
   padding-right: ($grid-gutter-width / 2);
-  padding-left:  ($grid-gutter-width / 2);
+  padding-left: ($grid-gutter-width / 2);
 }
 
 @mixin make-col($size, $columns: $grid-columns) {
@@ -45,3 +45,8 @@
   // do not appear to require this.
   max-width: percentage($size / $columns);
 }
+
+@mixin make-col-offset($size, $columns: $grid-columns) {
+  $num: $size / $columns;
+  margin-left: if($num == 0, 0, percentage($num));
+}
diff --git a/React_Starter/scss/bootstrap/mixins/_hover.scss b/React_Starter/scss/bootstrap/mixins/_hover.scss
index 4aa4b1d..fd2f1e2 100755
--- a/React_Starter/scss/bootstrap/mixins/_hover.scss
+++ b/React_Starter/scss/bootstrap/mixins/_hover.scss
@@ -1,3 +1,4 @@
+// stylelint-disable indentation
 @mixin hover {
   // TODO: re-enable along with mq4-hover-shim
 //  @if $enable-hover-media-query {
@@ -8,21 +9,21 @@
 //    }
 //  }
 //  @else {
-// scss-lint:disable Indentation
-    &:hover { @content }
-// scss-lint:enable Indentation
+    &:hover { @content; }
 //  }
 }
 
 
 @mixin hover-focus {
   @if $enable-hover-media-query {
-    &:focus { @content }
-    @include hover { @content }
+    &:focus {
+      @content;
+    }
+    @include hover { @content; }
   } @else {
     &:focus,
     &:hover {
-      @content
+      @content;
     }
   }
 }
@@ -31,14 +32,14 @@
   @if $enable-hover-media-query {
     &,
     &:focus {
-      @content
+      @content;
     }
-    @include hover { @content }
+    @include hover { @content; }
   } @else {
     &,
     &:focus,
     &:hover {
-      @content
+      @content;
     }
   }
 }
@@ -47,14 +48,14 @@
   @if $enable-hover-media-query {
     &:focus,
     &:active {
-      @content
+      @content;
     }
-    @include hover { @content }
+    @include hover { @content; }
   } @else {
     &:focus,
     &:active,
     &:hover {
-      @content
+      @content;
     }
   }
 }
diff --git a/React_Starter/scss/bootstrap/mixins/_image.scss b/React_Starter/scss/bootstrap/mixins/_image.scss
index c2b45f2..0544f0d 100755
--- a/React_Starter/scss/bootstrap/mixins/_image.scss
+++ b/React_Starter/scss/bootstrap/mixins/_image.scss
@@ -20,15 +20,15 @@
 //
 // Short retina mixin for setting background-image and -size.
 
+// stylelint-disable indentation, media-query-list-comma-newline-after
 @mixin img-retina($file-1x, $file-2x, $width-1x, $height-1x) {
   background-image: url($file-1x);
 
   // Autoprefixer takes care of adding -webkit-min-device-pixel-ratio and -o-min-device-pixel-ratio,
   // but doesn't convert dppx=>dpi.
   // There's no such thing as unprefixed min-device-pixel-ratio since it's nonstandard.
-  // Compatibility info: http://caniuse.com/#feat=css-media-resolution
-  @media
-  only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
+  // Compatibility info: https://caniuse.com/#feat=css-media-resolution
+  @media only screen and (min-resolution: 192dpi), // IE9-11 don't support dppx
   only screen and (min-resolution: 2dppx) { // Standardized
     background-image: url($file-2x);
     background-size: $width-1x $height-1x;
diff --git a/React_Starter/scss/bootstrap/mixins/_list-group.scss b/React_Starter/scss/bootstrap/mixins/_list-group.scss
index ba27b50..278787b 100755
--- a/React_Starter/scss/bootstrap/mixins/_list-group.scss
+++ b/React_Starter/scss/bootstrap/mixins/_list-group.scss
@@ -6,7 +6,6 @@
     background-color: $background;
   }
 
-  //scss-lint:disable QualifyingElement
   a.list-group-item-#{$state},
   button.list-group-item-#{$state} {
     color: $color;
@@ -22,5 +21,4 @@
       border-color: $color;
     }
   }
-  // scss-lint:enable QualifyingElement
 }
diff --git a/React_Starter/scss/bootstrap/mixins/_navbar-align.scss b/React_Starter/scss/bootstrap/mixins/_navbar-align.scss
index c454a4f..b351660 100755
--- a/React_Starter/scss/bootstrap/mixins/_navbar-align.scss
+++ b/React_Starter/scss/bootstrap/mixins/_navbar-align.scss
@@ -1,7 +1,8 @@
 // Navbar vertical align
 //
 // Vertically center elements in the navbar.
-// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
+// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);`
+// to calculate the appropriate top margin.
 
 // @mixin navbar-vertical-align($element-height) {
 //   margin-top: (($navbar-height - $element-height) / 2);
diff --git a/React_Starter/scss/bootstrap/mixins/_reset-text.scss b/React_Starter/scss/bootstrap/mixins/_reset-text.scss
index 4cf9e79..71edb00 100755
--- a/React_Starter/scss/bootstrap/mixins/_reset-text.scss
+++ b/React_Starter/scss/bootstrap/mixins/_reset-text.scss
@@ -1,4 +1,3 @@
-// scss-lint:disable DuplicateProperty
 @mixin reset-text {
   font-family: $font-family-base;
   // We deliberately do NOT reset font-size or word-wrap.
@@ -6,7 +5,7 @@
   font-weight: $font-weight-normal;
   line-height: $line-height-base;
   text-align: left; // Fallback for where `start` is not supported
-  text-align: start;
+  text-align: start; // stylelint-disable-line declaration-block-no-duplicate-properties
   text-decoration: none;
   text-shadow: none;
   text-transform: none;
diff --git a/React_Starter/scss/bootstrap/mixins/_screen-reader.scss b/React_Starter/scss/bootstrap/mixins/_screen-reader.scss
index a5fa51c..31fb68a 100755
--- a/React_Starter/scss/bootstrap/mixins/_screen-reader.scss
+++ b/React_Starter/scss/bootstrap/mixins/_screen-reader.scss
@@ -1,7 +1,7 @@
 // Only display content to screen readers
 //
-// See: http://a11yproject.com/posts/how-to-hide-content
-// See: http://hugogiraudel.com/2016/10/13/css-hide-and-seek/
+// See: http://a11yproject.com/posts/how-to-hide-content/
+// See: https://hugogiraudel.com/2016/10/13/css-hide-and-seek/
 
 @mixin sr-only {
   position: absolute;
diff --git a/React_Starter/scss/bootstrap/mixins/_text-emphasis.scss b/React_Starter/scss/bootstrap/mixins/_text-emphasis.scss
index 9cd4b6a..58db3e0 100755
--- a/React_Starter/scss/bootstrap/mixins/_text-emphasis.scss
+++ b/React_Starter/scss/bootstrap/mixins/_text-emphasis.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Typography
 
 @mixin text-emphasis-variant($parent, $color) {
diff --git a/React_Starter/scss/bootstrap/mixins/_visibility.scss b/React_Starter/scss/bootstrap/mixins/_visibility.scss
index f67fc1c..fe523d0 100755
--- a/React_Starter/scss/bootstrap/mixins/_visibility.scss
+++ b/React_Starter/scss/bootstrap/mixins/_visibility.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Visibility
 
 @mixin invisible($visibility) {
diff --git a/React_Starter/scss/bootstrap/utilities/_align.scss b/React_Starter/scss/bootstrap/utilities/_align.scss
index 4dbbbc2..8b7df9f 100755
--- a/React_Starter/scss/bootstrap/utilities/_align.scss
+++ b/React_Starter/scss/bootstrap/utilities/_align.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 .align-baseline    { vertical-align: baseline !important; } // Browser default
 .align-top         { vertical-align: top !important; }
 .align-middle      { vertical-align: middle !important; }
diff --git a/React_Starter/scss/bootstrap/utilities/_background.scss b/React_Starter/scss/bootstrap/utilities/_background.scss
index 1ef34fd..1f18b2f 100755
--- a/React_Starter/scss/bootstrap/utilities/_background.scss
+++ b/React_Starter/scss/bootstrap/utilities/_background.scss
@@ -1,6 +1,19 @@
+// stylelint-disable declaration-no-important
+
 @each $color, $value in $theme-colors {
-  @include bg-variant('.bg-#{$color}', $value);
+  @include bg-variant(".bg-#{$color}", $value);
 }
 
-.bg-white { background-color: $white !important; }
-.bg-transparent { background-color: transparent !important; }
+@if $enable-gradients {
+  @each $color, $value in $theme-colors {
+    @include bg-gradient-variant(".bg-gradient-#{$color}", $value);
+  }
+}
+
+.bg-white {
+  background-color: $white !important;
+}
+
+.bg-transparent {
+  background-color: transparent !important;
+}
diff --git a/React_Starter/scss/bootstrap/utilities/_borders.scss b/React_Starter/scss/bootstrap/utilities/_borders.scss
index 82e177c..ba02f04 100755
--- a/React_Starter/scss/bootstrap/utilities/_borders.scss
+++ b/React_Starter/scss/bootstrap/utilities/_borders.scss
@@ -1,8 +1,10 @@
+// stylelint-disable declaration-no-important
+
 //
 // Border
 //
 
-.border          { border: 1px solid $gray-200 !important; }
+.border          { border: $border-width solid $border-color !important; }
 .border-0        { border: 0 !important; }
 .border-top-0    { border-top: 0 !important; }
 .border-right-0  { border-right: 0 !important; }
@@ -44,9 +46,9 @@
 }
 
 .rounded-circle {
-  border-radius: 50%;
+  border-radius: 50% !important;
 }
 
 .rounded-0 {
-  border-radius: 0;
+  border-radius: 0 !important;
 }
diff --git a/React_Starter/scss/bootstrap/utilities/_display.scss b/React_Starter/scss/bootstrap/utilities/_display.scss
index 4535362..893b638 100755
--- a/React_Starter/scss/bootstrap/utilities/_display.scss
+++ b/React_Starter/scss/bootstrap/utilities/_display.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 //
 // Utilities for common `display` values
 //
@@ -11,6 +13,7 @@
     .d#{$infix}-inline-block { display: inline-block !important; }
     .d#{$infix}-block        { display: block !important; }
     .d#{$infix}-table        { display: table !important; }
+    .d#{$infix}-table-row    { display: table-row !important; }
     .d#{$infix}-table-cell   { display: table-cell !important; }
     .d#{$infix}-flex         { display: flex !important; }
     .d#{$infix}-inline-flex  { display: inline-flex !important; }
diff --git a/React_Starter/scss/bootstrap/utilities/_flex.scss b/React_Starter/scss/bootstrap/utilities/_flex.scss
index b28c0b9..8e47038 100755
--- a/React_Starter/scss/bootstrap/utilities/_flex.scss
+++ b/React_Starter/scss/bootstrap/utilities/_flex.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Flex variation
 //
 // Custom styles for additional flex alignment options.
diff --git a/React_Starter/scss/bootstrap/utilities/_position.scss b/React_Starter/scss/bootstrap/utilities/_position.scss
index 74b8d39..ef962ed 100755
--- a/React_Starter/scss/bootstrap/utilities/_position.scss
+++ b/React_Starter/scss/bootstrap/utilities/_position.scss
@@ -1,4 +1,15 @@
-// Positioning
+// stylelint-disable declaration-no-important
+
+// Common values
+
+// Sass list not in variables since it's not intended for customization.
+$positions: static, relative, absolute, fixed, sticky;
+
+@each $position in $positions {
+  .position-#{$position} { position: $position !important; }
+}
+
+// Shorthand
 
 .fixed-top {
   position: fixed;
diff --git a/React_Starter/scss/bootstrap/utilities/_sizing.scss b/React_Starter/scss/bootstrap/utilities/_sizing.scss
index a7dc3e4..e95a4db 100755
--- a/React_Starter/scss/bootstrap/utilities/_sizing.scss
+++ b/React_Starter/scss/bootstrap/utilities/_sizing.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Width and height
 
 @each $prop, $abbrev in (width: w, height: h) {
diff --git a/React_Starter/scss/bootstrap/utilities/_spacing.scss b/React_Starter/scss/bootstrap/utilities/_spacing.scss
index c89816b..b2e2354 100755
--- a/React_Starter/scss/bootstrap/utilities/_spacing.scss
+++ b/React_Starter/scss/bootstrap/utilities/_spacing.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 // Margin and Padding
 
 @each $breakpoint in map-keys($grid-breakpoints) {
@@ -7,35 +9,43 @@
     @each $prop, $abbrev in (margin: m, padding: p) {
       @each $size, $length in $spacers {
 
-        .#{$abbrev}#{$infix}-#{$size}  { #{$prop}:        $length !important; }
-        .#{$abbrev}t#{$infix}-#{$size} { #{$prop}-top:    $length !important; }
-        .#{$abbrev}r#{$infix}-#{$size} { #{$prop}-right:  $length !important; }
-        .#{$abbrev}b#{$infix}-#{$size} { #{$prop}-bottom: $length !important; }
-        .#{$abbrev}l#{$infix}-#{$size} { #{$prop}-left:   $length !important; }
+        .#{$abbrev}#{$infix}-#{$size} { #{$prop}: $length !important; }
+        .#{$abbrev}t#{$infix}-#{$size},
+        .#{$abbrev}y#{$infix}-#{$size} {
+          #{$prop}-top: $length !important;
+        }
+        .#{$abbrev}r#{$infix}-#{$size},
         .#{$abbrev}x#{$infix}-#{$size} {
           #{$prop}-right: $length !important;
-          #{$prop}-left:  $length !important;
         }
+        .#{$abbrev}b#{$infix}-#{$size},
         .#{$abbrev}y#{$infix}-#{$size} {
-          #{$prop}-top:    $length !important;
           #{$prop}-bottom: $length !important;
         }
+        .#{$abbrev}l#{$infix}-#{$size},
+        .#{$abbrev}x#{$infix}-#{$size} {
+          #{$prop}-left: $length !important;
+        }
       }
     }
 
     // Some special margin utils
-    .m#{$infix}-auto  { margin:        auto !important; }
-    .mt#{$infix}-auto { margin-top:    auto !important; }
-    .mr#{$infix}-auto { margin-right:  auto !important; }
-    .mb#{$infix}-auto { margin-bottom: auto !important; }
-    .ml#{$infix}-auto { margin-left:   auto !important; }
+    .m#{$infix}-auto { margin: auto !important; }
+    .mt#{$infix}-auto,
+    .my#{$infix}-auto {
+      margin-top: auto !important;
+    }
+    .mr#{$infix}-auto,
     .mx#{$infix}-auto {
       margin-right: auto !important;
-      margin-left:  auto !important;
     }
+    .mb#{$infix}-auto,
     .my#{$infix}-auto {
-      margin-top:    auto !important;
       margin-bottom: auto !important;
     }
+    .ml#{$infix}-auto,
+    .mx#{$infix}-auto {
+      margin-left: auto !important;
+    }
   }
 }
diff --git a/React_Starter/scss/bootstrap/utilities/_text.scss b/React_Starter/scss/bootstrap/utilities/_text.scss
index d337e0d..f4b6e65 100755
--- a/React_Starter/scss/bootstrap/utilities/_text.scss
+++ b/React_Starter/scss/bootstrap/utilities/_text.scss
@@ -1,3 +1,5 @@
+// stylelint-disable declaration-no-important
+
 //
 // Text
 //
@@ -28,16 +30,17 @@
 
 // Weight and italics
 
-.font-weight-normal { font-weight: $font-weight-normal; }
-.font-weight-bold   { font-weight: $font-weight-bold; }
-.font-italic        { font-style: italic; }
+.font-weight-light  { font-weight: $font-weight-light !important; }
+.font-weight-normal { font-weight: $font-weight-normal !important; }
+.font-weight-bold   { font-weight: $font-weight-bold !important; }
+.font-italic        { font-style: italic !important; }
 
 // Contextual colors
 
 .text-white { color: #fff !important; }
 
 @each $color, $value in $theme-colors {
-  @include text-emphasis-variant('.text-#{$color}', $value);
+  @include text-emphasis-variant(".text-#{$color}", $value);
 }
 
 .text-muted { color: $text-muted !important; }
diff --git a/React_Starter/scss/core/_breadcrumb-menu.scss b/React_Starter/scss/core/_breadcrumb-menu.scss
index 4e70539..dbbe07e 100644
--- a/React_Starter/scss/core/_breadcrumb-menu.scss
+++ b/React_Starter/scss/core/_breadcrumb-menu.scss
@@ -1,19 +1,19 @@
 .breadcrumb-menu {
-  position: absolute;
-  top: 0;
-  right: $breadcrumb-padding-x;
+  margin-left: auto;
 
   &::before {
     display: none;
   }
 
-  .btn {
-    padding-top: $breadcrumb-padding-y;
-    padding-bottom: $breadcrumb-padding-y;
+  .btn-group {
+    vertical-align: top;
   }
 
   .btn {
+    padding: 0 $input-btn-padding-x;
     color: $text-muted;
+    vertical-align: top;
+    border: 0;
 
     &:hover, &.active {
       color: $body-color;
diff --git a/React_Starter/scss/core/_breadcrumb.scss b/React_Starter/scss/core/_breadcrumb.scss
index ef2d295..d8a003d 100644
--- a/React_Starter/scss/core/_breadcrumb.scss
+++ b/React_Starter/scss/core/_breadcrumb.scss
@@ -1,6 +1,4 @@
 .breadcrumb {
   position: relative;
-  margin: $breadcrumb-margin;
-
   @include borders($breadcrumb-borders);
 }
diff --git a/React_Starter/scss/core/_layout.scss b/React_Starter/scss/core/_layout.scss
index 8cc54dd..0234922 100644
--- a/React_Starter/scss/core/_layout.scss
+++ b/React_Starter/scss/core/_layout.scss
@@ -349,7 +349,7 @@ app-root {
     .sidebar-nav,
     .nav {
       width: $mobile-sidebar-width !important;
-      height: calc(100vh - #{$navbar-height});
+      min-height: calc(100vh - #{$navbar-height});
     }
 
     .sidebar-minimizer {
diff --git a/React_Starter/scss/core/_variables.scss b/React_Starter/scss/core/_variables.scss
index ea491eb..05c6783 100644
--- a/React_Starter/scss/core/_variables.scss
+++ b/React_Starter/scss/core/_variables.scss
@@ -176,8 +176,6 @@ $top-nav-active-bg:                   theme-color("primary") !default;
 $top-nav-height:                      $navbar-height - 15px !default;
 
 // Breadcrumb
-
-$breadcrumb-margin:                   0 0 (1.5 * $spacer) 0 !default;
 $breadcrumb-borders: (
   bottom: (
     size:                             1px,
diff --git a/React_Starter/scss/style.scss b/React_Starter/scss/style.scss
index ebd2d6a..7c2a49d 100644
--- a/React_Starter/scss/style.scss
+++ b/React_Starter/scss/style.scss
@@ -1,6 +1,6 @@
 /*!
  * CoreUI - Open Source Bootstrap Admin Template
- * @version v1.0.2
+ * @version v1.0.3
  * @link http://coreui.io
  * Copyright (c) 2017 creativeLabs Łukasz Holeczek
  * @license MIT
diff --git a/React_Starter/src/components/Aside/package.json b/React_Starter/src/components/Aside/package.json
index 283ac3a..ddcd47f 100644
--- a/React_Starter/src/components/Aside/package.json
+++ b/React_Starter/src/components/Aside/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Aside",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Aside.js"
 }
diff --git a/React_Starter/src/components/Breadcrumb/package.json b/React_Starter/src/components/Breadcrumb/package.json
index aaa5f49..fce86d0 100644
--- a/React_Starter/src/components/Breadcrumb/package.json
+++ b/React_Starter/src/components/Breadcrumb/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Breadcrumb",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Breadcrumb.js"
 }
diff --git a/React_Starter/src/components/Footer/package.json b/React_Starter/src/components/Footer/package.json
index 70f568f..6d556a5 100644
--- a/React_Starter/src/components/Footer/package.json
+++ b/React_Starter/src/components/Footer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Footer",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Footer.js"
 }
diff --git a/React_Starter/src/components/Header/package.json b/React_Starter/src/components/Header/package.json
index d09c272..4922a1a 100644
--- a/React_Starter/src/components/Header/package.json
+++ b/React_Starter/src/components/Header/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Header",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Header.js"
 }
diff --git a/React_Starter/src/components/Sidebar/Sidebar.js b/React_Starter/src/components/Sidebar/Sidebar.js
index 30bfa6f..5286de1 100644
--- a/React_Starter/src/components/Sidebar/Sidebar.js
+++ b/React_Starter/src/components/Sidebar/Sidebar.js
@@ -1,7 +1,6 @@
 import React, {Component} from 'react';
 import {NavLink} from 'react-router-dom';
 import {Badge, Nav, NavItem, NavLink as RsNavLink} from 'reactstrap';
-import isExternal from 'is-url-external';
 import classNames from 'classnames';
 import nav from './_nav';
 import SidebarFooter from './../SidebarFooter';
@@ -17,6 +16,7 @@ class Sidebar extends Component {
   }
 
   activeRoute(routeName, props) {
+    // return this.props.location.pathname.indexOf(routeName) > -1 ? 'nav-item nav-dropdown open' : 'nav-item nav-dropdown';
     return props.location.pathname.indexOf(routeName) > -1 ? 'nav-item nav-dropdown open' : 'nav-item nav-dropdown';
 
   }
@@ -56,11 +56,14 @@ class Sidebar extends Component {
     // nav item with nav link
     const navItem = (item, key) => {
       const classes = classNames( item.class );
+      const isExternal = (url) => {
+        return url.substring(0, 4) === 'http' ? true : false
+      }
       const variant = classNames( "nav-link", item.variant ? `nav-link-${item.variant}` : "");
       return (
         <NavItem key={key} className={classes}>
           { isExternal(item.url) ?
-              <RsNavLink href={item.url} className={variant} activeClassName="active">
+              <RsNavLink href={item.url} className={variant} active>
                 <i className={item.icon}></i>{item.name}{badge(item.badge)}
               </RsNavLink>
             :
diff --git a/React_Starter/src/components/Sidebar/package.json b/React_Starter/src/components/Sidebar/package.json
index 7c97203..fab8ba4 100644
--- a/React_Starter/src/components/Sidebar/package.json
+++ b/React_Starter/src/components/Sidebar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Sidebar",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Sidebar.js"
 }
diff --git a/React_Starter/src/components/SidebarFooter/package.json b/React_Starter/src/components/SidebarFooter/package.json
index 094bff9..ee29da1 100644
--- a/React_Starter/src/components/SidebarFooter/package.json
+++ b/React_Starter/src/components/SidebarFooter/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarFooter",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarFooter.js"
 }
diff --git a/React_Starter/src/components/SidebarForm/package.json b/React_Starter/src/components/SidebarForm/package.json
index 9ca4206..70eec5b 100644
--- a/React_Starter/src/components/SidebarForm/package.json
+++ b/React_Starter/src/components/SidebarForm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarForm",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarForm.js"
 }
diff --git a/React_Starter/src/components/SidebarHeader/package.json b/React_Starter/src/components/SidebarHeader/package.json
index b1bd69f..67276f3 100644
--- a/React_Starter/src/components/SidebarHeader/package.json
+++ b/React_Starter/src/components/SidebarHeader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarHeader",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarHeader.js"
 }
diff --git a/React_Starter/src/components/SidebarMinimizer/package.json b/React_Starter/src/components/SidebarMinimizer/package.json
index 03f07a7..948c8f5 100644
--- a/React_Starter/src/components/SidebarMinimizer/package.json
+++ b/React_Starter/src/components/SidebarMinimizer/package.json
@@ -1,6 +1,6 @@
 {
   "name": "SidebarMinimizer",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./SidebarMinimizer.js"
 }
diff --git a/React_Starter/src/containers/Full/package.json b/React_Starter/src/containers/Full/package.json
index b8a7b17..3df2b7a 100644
--- a/React_Starter/src/containers/Full/package.json
+++ b/React_Starter/src/containers/Full/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Full",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Full.js"
 }
diff --git a/React_Starter/src/views/Dashboard/package.json b/React_Starter/src/views/Dashboard/package.json
index 66e2883..ec237ea 100644
--- a/React_Starter/src/views/Dashboard/package.json
+++ b/React_Starter/src/views/Dashboard/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Dashboard",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "./Dashboard.js"
 }
diff --git a/package.json b/package.json
index f843449..bd03bf1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@coreui/react",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Open Source React Admin Template",
   "main": "",
   "homepage": "http://coreui.io/react/",