From d79e9352431de6965d4e461087c90b3017976b4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ste=CC=81phane=20Goetz?= <onigoetz@onigoetz.ch>
Date: Tue, 21 Jul 2015 18:45:40 +0200
Subject: [PATCH] Update Twitter bootstrap - did not compile yet

---
 .../themes/_common/less/bootstrap/badges.less |  17 +-
 .../_common/less/bootstrap/bootstrap.less     |  12 +-
 .../_common/less/bootstrap/button-groups.less |  27 ++-
 .../_common/less/bootstrap/buttons.less       |  21 +-
 .../_common/less/bootstrap/carousel.less      |  28 ++-
 .../themes/_common/less/bootstrap/close.less  |   1 +
 .../themes/_common/less/bootstrap/code.less   |   1 +
 .../less/bootstrap/component-animations.less  |   4 +-
 .../_common/less/bootstrap/dropdowns.less     |  17 +-
 .../themes/_common/less/bootstrap/forms.less  | 140 +++++++++----
 .../_common/less/bootstrap/glyphicons.less    |  74 ++++++-
 .../_common/less/bootstrap/input-groups.less  |   1 +
 .../_common/less/bootstrap/jumbotron.less     |  12 +-
 .../_common/less/bootstrap/list-group.less    |  24 +--
 .../themes/_common/less/bootstrap/media.less  |  76 ++++---
 .../themes/_common/less/bootstrap/mixins.less |   1 +
 .../bootstrap/mixins/background-variant.less  |   3 +-
 .../less/bootstrap/mixins/buttons.less        |  20 +-
 .../less/bootstrap/mixins/grid-framework.less |   8 +-
 .../_common/less/bootstrap/mixins/grid.less   |   4 +-
 .../less/bootstrap/mixins/hide-text.less      |   2 +-
 .../_common/less/bootstrap/mixins/labels.less |   2 +-
 .../less/bootstrap/mixins/list-group.less     |   3 +-
 .../less/bootstrap/mixins/pagination.less     |   3 +-
 .../less/bootstrap/mixins/reset-text.less     |  18 ++
 .../mixins/responsive-visibility.less         |   2 +-
 .../less/bootstrap/mixins/text-emphasis.less  |   3 +-
 .../bootstrap/mixins/vendor-prefixes.less     |   9 +-
 .../themes/_common/less/bootstrap/modals.less |   4 +-
 .../themes/_common/less/bootstrap/navbar.less |   7 +-
 .../themes/_common/less/bootstrap/navs.less   |   2 +-
 .../_common/less/bootstrap/normalize.less     |  25 ++-
 .../themes/_common/less/bootstrap/pager.less  |   3 +-
 .../_common/less/bootstrap/pagination.less    |   7 +-
 .../themes/_common/less/bootstrap/panels.less |  36 +++-
 .../_common/less/bootstrap/popovers.less      |  12 +-
 .../themes/_common/less/bootstrap/print.less  | 188 +++++++++---------
 .../_common/less/bootstrap/progress-bars.less |  15 +-
 .../less/bootstrap/responsive-embed.less      |  23 ++-
 .../_common/less/bootstrap/scaffolding.less   |  13 +-
 .../themes/_common/less/bootstrap/tables.less |  11 +-
 .../themes/_common/less/bootstrap/theme.less  |  63 ++++--
 .../_common/less/bootstrap/thumbnails.less    |   2 +-
 .../_common/less/bootstrap/tooltip.less       |  20 +-
 .../themes/_common/less/bootstrap/type.less   |   8 +-
 .../_common/less/bootstrap/utilities.less     |   1 -
 .../_common/less/bootstrap/variables.less     |  48 +++--
 47 files changed, 676 insertions(+), 345 deletions(-)
 create mode 100644 resources/themes/_common/less/bootstrap/mixins/reset-text.less

diff --git a/resources/themes/_common/less/bootstrap/badges.less b/resources/themes/_common/less/bootstrap/badges.less
index 20624f3..6ee16dc 100644
--- a/resources/themes/_common/less/bootstrap/badges.less
+++ b/resources/themes/_common/less/bootstrap/badges.less
@@ -12,7 +12,7 @@
   font-weight: @badge-font-weight;
   color: @badge-color;
   line-height: @badge-line-height;
-  vertical-align: baseline;
+  vertical-align: middle;
   white-space: nowrap;
   text-align: center;
   background-color: @badge-bg;
@@ -28,7 +28,9 @@
     position: relative;
     top: -1px;
   }
-  .btn-xs & {
+
+  .btn-xs &,
+  .btn-group-xs > .btn & {
     top: 0;
     padding: 1px 5px;
   }
@@ -44,11 +46,20 @@
   }
 
   // Account for badges in navs
-  a.list-group-item.active > &,
+  .list-group-item.active > &,
   .nav-pills > .active > a > & {
     color: @badge-active-color;
     background-color: @badge-active-bg;
   }
+
+  .list-group-item > & {
+    float: right;
+  }
+
+  .list-group-item > & + & {
+    margin-right: 5px;
+  }
+
   .nav-pills > li > a > & {
     margin-left: 3px;
   }
diff --git a/resources/themes/_common/less/bootstrap/bootstrap.less b/resources/themes/_common/less/bootstrap/bootstrap.less
index 155dff5..6ab589d 100644
--- a/resources/themes/_common/less/bootstrap/bootstrap.less
+++ b/resources/themes/_common/less/bootstrap/bootstrap.less
@@ -1,10 +1,17 @@
+/*!
+ * Bootstrap v3.3.5 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
+
 // Core variables and mixins
 @import "variables.less";
 @import "mixins.less";
 
-// Reset
+// Reset and dependencies
 @import "normalize.less";
 @import "print.less";
+@import "glyphicons.less";
 
 // Core CSS
 @import "scaffolding.less";
@@ -17,7 +24,6 @@
 
 // Components
 //@import "component-animations.less";
-@import "glyphicons.less";
 //@import "dropdowns.less";
 //@import "button-groups.less";
 //@import "input-groups.less";
@@ -35,9 +41,9 @@
 //@import "media.less";
 //@import "list-group.less";
 //@import "panels.less";
+//@import "responsive-embed.less";
 @import "wells.less";
 //@import "close.less";
-//@import "responsive-embed.less";
 
 // Components w/ JavaScript
 //@import "modals.less";
diff --git a/resources/themes/_common/less/bootstrap/button-groups.less b/resources/themes/_common/less/bootstrap/button-groups.less
index c2e2260..6a0c5a8 100644
--- a/resources/themes/_common/less/bootstrap/button-groups.less
+++ b/resources/themes/_common/less/bootstrap/button-groups.less
@@ -18,10 +18,6 @@
     &.active {
       z-index: 2;
     }
-    &:focus {
-      // Remove focus outline when dropdown JS adds it after closing the menu
-      outline: 0;
-    }
   }
 }
 
@@ -40,6 +36,7 @@
   margin-left: -5px; // Offset the first child's margin
   &:extend(.clearfix all);
 
+  .btn,
   .btn-group,
   .input-group {
     float: left;
@@ -75,13 +72,13 @@
 .btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
   border-radius: 0;
 }
-.btn-group > .btn-group:first-child {
+.btn-group > .btn-group:first-child:not(:last-child) {
   > .btn:last-child,
   > .dropdown-toggle {
     .border-right-radius(0);
   }
 }
-.btn-group > .btn-group:last-child > .btn:first-child {
+.btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
   .border-left-radius(0);
 }
 
@@ -176,11 +173,11 @@
     border-radius: 0;
   }
   &:first-child:not(:last-child) {
-    border-top-right-radius: @border-radius-base;
+    border-top-right-radius: @btn-border-radius-base;
     .border-bottom-radius(0);
   }
   &:last-child:not(:first-child) {
-    border-bottom-left-radius: @border-radius-base;
+    border-bottom-left-radius: @btn-border-radius-base;
     .border-top-radius(0);
   }
 }
@@ -198,7 +195,6 @@
 }
 
 
-
 // Justified button groups
 // ----------------------
 
@@ -226,11 +222,14 @@
 // Checkbox and radio options
 //
 // In order to support the browser's form validation feedback, powered by the
-// `required` attribute, we have to "hide" the inputs via `opacity`. We cannot
-// use `display: none;` or `visibility: hidden;` as that also hides the popover.
+// `required` attribute, we have to "hide" the inputs via `clip`. We cannot use
+// `display: none;` or `visibility: hidden;` as that also hides the popover.
+// Simply visually hiding the inputs via `opacity` would leave them clickable in
+// certain cases which is prevented by using `clip` and `pointer-events`.
 // This way, we ensure a DOM element is visible to position the popover from.
 //
-// See https://github.com/twbs/bootstrap/pull/12794 for more.
+// See https://github.com/twbs/bootstrap/pull/12794 and
+// https://github.com/twbs/bootstrap/pull/14559 for more information.
 
 [data-toggle="buttons"] {
   > .btn,
@@ -238,8 +237,8 @@
     input[type="radio"],
     input[type="checkbox"] {
       position: absolute;
-      z-index: -1;
-      .opacity(0);
+      clip: rect(0,0,0,0);
+      pointer-events: none;
     }
   }
 }
diff --git a/resources/themes/_common/less/bootstrap/buttons.less b/resources/themes/_common/less/bootstrap/buttons.less
index 05bd89d..9cbb8f4 100644
--- a/resources/themes/_common/less/bootstrap/buttons.less
+++ b/resources/themes/_common/less/bootstrap/buttons.less
@@ -17,7 +17,7 @@
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid transparent;
   white-space: nowrap;
-  .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);
+  .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @btn-border-radius-base);
   .user-select(none);
 
   &,
@@ -46,11 +46,17 @@
   &.disabled,
   &[disabled],
   fieldset[disabled] & {
-    cursor: not-allowed;
-    pointer-events: none; // Future-proof disabling of clicks
+    cursor: @cursor-disabled;
     .opacity(.65);
     .box-shadow(none);
   }
+
+  a& {
+    &.disabled,
+    fieldset[disabled] & {
+      pointer-events: none; // Future-proof disabling of clicks on `<a>` elements
+    }
+  }
 }
 
 
@@ -92,6 +98,7 @@
 
   &,
   &:active,
+  &.active,
   &[disabled],
   fieldset[disabled] & {
     background-color: transparent;
@@ -106,7 +113,7 @@
   &:hover,
   &:focus {
     color: @link-hover-color;
-    text-decoration: underline;
+    text-decoration: @link-hover-decoration;
     background-color: transparent;
   }
   &[disabled],
@@ -125,14 +132,14 @@
 
 .btn-lg {
   // line-height: ensure even-numbered height of button next to large input
-  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
+  .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @btn-border-radius-large);
 }
 .btn-sm {
   // line-height: ensure proper height of button next to small input
-  .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
+  .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @btn-border-radius-small);
 }
 .btn-xs {
-  .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small);
+  .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @btn-border-radius-small);
 }
 
 
diff --git a/resources/themes/_common/less/bootstrap/carousel.less b/resources/themes/_common/less/bootstrap/carousel.less
index 1644ddf..87ed696 100644
--- a/resources/themes/_common/less/bootstrap/carousel.less
+++ b/resources/themes/_common/less/bootstrap/carousel.less
@@ -24,6 +24,30 @@
       &:extend(.img-responsive);
       line-height: 1;
     }
+
+    // WebKit CSS3 transforms for supported devices
+    @media all and (transform-3d), (-webkit-transform-3d) {
+      .transition-transform(~'0.6s ease-in-out');
+      .backface-visibility(~'hidden');
+      .perspective(1000px);
+
+      &.next,
+      &.active.right {
+        .translate3d(100%, 0, 0);
+        left: 0;
+      }
+      &.prev,
+      &.active.left {
+        .translate3d(-100%, 0, 0);
+        left: 0;
+      }
+      &.next.left,
+      &.prev.right,
+      &.active {
+        .translate3d(0, 0, 0);
+        left: 0;
+      }
+    }
   }
 
   > .active,
@@ -106,6 +130,7 @@
   .glyphicon-chevron-right {
     position: absolute;
     top: 50%;
+    margin-top: -10px;
     z-index: 5;
     display: inline-block;
   }
@@ -123,7 +148,7 @@
   .icon-next {
     width:  20px;
     height: 20px;
-    margin-top: -10px;
+    line-height: 1;
     font-family: serif;
   }
 
@@ -171,6 +196,7 @@
     // Internet Explorer 8-9 does not support clicks on elements without a set
     // `background-color`. We cannot use `filter` since that's not viewed as a
     // background color by the browser. Thus, a hack is needed.
+    // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Internet_Explorer
     //
     // For IE8, we set solid black as it doesn't support `rgba()`. For IE9, we
     // set alpha transparency for the best results possible.
diff --git a/resources/themes/_common/less/bootstrap/close.less b/resources/themes/_common/less/bootstrap/close.less
index 9b4e74f..6d5bfe0 100644
--- a/resources/themes/_common/less/bootstrap/close.less
+++ b/resources/themes/_common/less/bootstrap/close.less
@@ -23,6 +23,7 @@
   // Additional properties for button version
   // iOS requires the button element instead of an anchor tag.
   // If you want the anchor version, it requires `href="#"`.
+  // See https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
   button& {
     padding: 0;
     cursor: pointer;
diff --git a/resources/themes/_common/less/bootstrap/code.less b/resources/themes/_common/less/bootstrap/code.less
index baa13df..a08b4d4 100644
--- a/resources/themes/_common/less/bootstrap/code.less
+++ b/resources/themes/_common/less/bootstrap/code.less
@@ -32,6 +32,7 @@ kbd {
   kbd {
     padding: 0;
     font-size: 100%;
+    font-weight: bold;
     box-shadow: none;
   }
 }
diff --git a/resources/themes/_common/less/bootstrap/component-animations.less b/resources/themes/_common/less/bootstrap/component-animations.less
index 9400a0d..0bcee91 100644
--- a/resources/themes/_common/less/bootstrap/component-animations.less
+++ b/resources/themes/_common/less/bootstrap/component-animations.less
@@ -27,5 +27,7 @@
   position: relative;
   height: 0;
   overflow: hidden;
-  .transition(height .35s ease);
+  .transition-property(~"height, visibility");
+  .transition-duration(.35s);
+  .transition-timing-function(ease);
 }
diff --git a/resources/themes/_common/less/bootstrap/dropdowns.less b/resources/themes/_common/less/bootstrap/dropdowns.less
index 3eb7fc0..f6876c1 100644
--- a/resources/themes/_common/less/bootstrap/dropdowns.less
+++ b/resources/themes/_common/less/bootstrap/dropdowns.less
@@ -10,12 +10,14 @@
   height: 0;
   margin-left: 2px;
   vertical-align: middle;
-  border-top:   @caret-width-base solid;
+  border-top:   @caret-width-base dashed;
+  border-top:   @caret-width-base solid ~"\9"; // IE8
   border-right: @caret-width-base solid transparent;
   border-left:  @caret-width-base solid transparent;
 }
 
 // The dropdown wrapper (div)
+.dropup,
 .dropdown {
   position: relative;
 }
@@ -103,16 +105,15 @@
   &:focus {
     color: @dropdown-link-disabled-color;
   }
-}
-// Nuke hover/focus effects
-.dropdown-menu > .disabled > a {
+
+  // Nuke hover/focus effects
   &:hover,
   &:focus {
     text-decoration: none;
     background-color: transparent;
     background-image: none; // Remove CSS gradient
     .reset-filter();
-    cursor: not-allowed;
+    cursor: @cursor-disabled;
   }
 }
 
@@ -184,14 +185,15 @@
   // Reverse the caret
   .caret {
     border-top: 0;
-    border-bottom: @caret-width-base solid;
+    border-bottom: @caret-width-base dashed;
+    border-bottom: @caret-width-base solid ~"\9"; // IE8
     content: "";
   }
   // Different positioning for bottom up menu
   .dropdown-menu {
     top: auto;
     bottom: 100%;
-    margin-bottom: 1px;
+    margin-bottom: 2px;
   }
 }
 
@@ -212,4 +214,3 @@
     }
   }
 }
-
diff --git a/resources/themes/_common/less/bootstrap/forms.less b/resources/themes/_common/less/bootstrap/forms.less
index 98a40cb..b064ede 100644
--- a/resources/themes/_common/less/bootstrap/forms.less
+++ b/resources/themes/_common/less/bootstrap/forms.less
@@ -56,7 +56,6 @@ input[type="checkbox"] {
   line-height: normal;
 }
 
-// Set the height of file controls to match text inputs
 input[type="file"] {
   display: block;
 }
@@ -123,7 +122,7 @@ output {
   background-color: @input-bg;
   background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
   border: 1px solid @input-border;
-  border-radius: @input-border-radius;
+  border-radius: @input-border-radius; // Note: This has no effect on <select>s in some browsers, due to the limited stylability of <select>s in CSS.
   .box-shadow(inset 0 1px 1px rgba(0,0,0,.075));
   .transition(~"border-color ease-in-out .15s, box-shadow ease-in-out .15s");
 
@@ -141,9 +140,13 @@ output {
   &[disabled],
   &[readonly],
   fieldset[disabled] & {
-    cursor: not-allowed;
     background-color: @input-bg-disabled;
-    opacity: 1; // iOS fix for unreadable disabled content
+    opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
+  }
+
+  &[disabled],
+  fieldset[disabled] & {
+    cursor: @cursor-disabled;
   }
 
   // Reset height for `textarea`s
@@ -168,24 +171,30 @@ input[type="search"] {
 // Special styles for iOS temporal inputs
 //
 // In Mobile Safari, setting `display: block` on temporal inputs causes the
-// text within the input to become vertically misaligned.
-// As a workaround, we set a pixel line-height that matches the
-// given height of the input. Since this fucks up everything else, we have to
-// appropriately reset it for Internet Explorer and the size variations.
+// text within the input to become vertically misaligned. As a workaround, we
+// set a pixel line-height that matches the given height of the input, but only
+// for Safari. See https://bugs.webkit.org/show_bug.cgi?id=139848
+//
+// Note that as of 8.3, iOS doesn't support `datetime` or `week`.
 
-input[type="date"],
-input[type="time"],
-input[type="datetime-local"],
-input[type="month"] {
-  line-height: @input-height-base;
-  // IE8+ misaligns the text within date inputs, so we reset
-  line-height: @line-height-base ~"\0";
+@media screen and (-webkit-min-device-pixel-ratio: 0) {
+  input[type="date"],
+  input[type="time"],
+  input[type="datetime-local"],
+  input[type="month"] {
+    &.form-control {
+      line-height: @input-height-base;
+    }
 
-  &.input-sm {
-    line-height: @input-height-small;
-  }
-  &.input-lg {
-    line-height: @input-height-large;
+    &.input-sm,
+    .input-group-sm & {
+      line-height: @input-height-small;
+    }
+
+    &.input-lg,
+    .input-group-lg & {
+      line-height: @input-height-large;
+    }
   }
 }
 
@@ -196,7 +205,7 @@ input[type="month"] {
 // horizontal forms, use the predefined grid classes.
 
 .form-group {
-  margin-bottom: 15px;
+  margin-bottom: @form-group-margin-bottom;
 }
 
 
@@ -236,6 +245,7 @@ input[type="month"] {
 // Radios and checkboxes on same line
 .radio-inline,
 .checkbox-inline {
+  position: relative;
   display: inline-block;
   padding-left: 20px;
   margin-bottom: 0;
@@ -258,7 +268,7 @@ input[type="checkbox"] {
   &[disabled],
   &.disabled,
   fieldset[disabled] & {
-    cursor: not-allowed;
+    cursor: @cursor-disabled;
   }
 }
 // These classes are used directly on <label>s
@@ -266,7 +276,7 @@ input[type="checkbox"] {
 .checkbox-inline {
   &.disabled,
   fieldset[disabled] & {
-    cursor: not-allowed;
+    cursor: @cursor-disabled;
   }
 }
 // These classes are used on elements with <label> descendants
@@ -275,7 +285,7 @@ input[type="checkbox"] {
   &.disabled,
   fieldset[disabled] & {
     label {
-      cursor: not-allowed;
+      cursor: @cursor-disabled;
     }
   }
 }
@@ -292,6 +302,7 @@ input[type="checkbox"] {
   padding-bottom: (@padding-base-vertical + 1);
   // Remove default margin from `p`
   margin-bottom: 0;
+  min-height: (@line-height-computed + @font-size-base);
 
   &.input-lg,
   &.input-sm {
@@ -305,15 +316,64 @@ input[type="checkbox"] {
 //
 // Build on `.form-control` with modifier classes to decrease or increase the
 // height and font-size of form controls.
+//
+// The `.form-group-* form-control` variations are sadly duplicated to avoid the
+// issue documented in https://github.com/twbs/bootstrap/issues/15074.
 
-.input-sm,
-.form-group-sm .form-control {
-  .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
+.input-sm {
+  .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
+}
+.form-group-sm {
+  .form-control {
+    height: @input-height-small;
+    padding: @padding-small-vertical @padding-small-horizontal;
+    font-size: @font-size-small;
+    line-height: @line-height-small;
+    border-radius: @input-border-radius-small;
+  }
+  select.form-control {
+    height: @input-height-small;
+    line-height: @input-height-small;
+  }
+  textarea.form-control,
+  select[multiple].form-control {
+    height: auto;
+  }
+  .form-control-static {
+    height: @input-height-small;
+    min-height: (@line-height-computed + @font-size-small);
+    padding: (@padding-small-vertical + 1) @padding-small-horizontal;
+    font-size: @font-size-small;
+    line-height: @line-height-small;
+  }
 }
 
-.input-lg,
-.form-group-lg .form-control {
-  .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
+.input-lg {
+  .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
+}
+.form-group-lg {
+  .form-control {
+    height: @input-height-large;
+    padding: @padding-large-vertical @padding-large-horizontal;
+    font-size: @font-size-large;
+    line-height: @line-height-large;
+    border-radius: @input-border-radius-large;
+  }
+  select.form-control {
+    height: @input-height-large;
+    line-height: @input-height-large;
+  }
+  textarea.form-control,
+  select[multiple].form-control {
+    height: auto;
+  }
+  .form-control-static {
+    height: @input-height-large;
+    min-height: (@line-height-computed + @font-size-large);
+    padding: (@padding-large-vertical + 1) @padding-large-horizontal;
+    font-size: @font-size-large;
+    line-height: @line-height-large;
+  }
 }
 
 
@@ -343,12 +403,16 @@ input[type="checkbox"] {
   text-align: center;
   pointer-events: none;
 }
-.input-lg + .form-control-feedback {
+.input-lg + .form-control-feedback,
+.input-group-lg + .form-control-feedback,
+.form-group-lg .form-control + .form-control-feedback {
   width: @input-height-large;
   height: @input-height-large;
   line-height: @input-height-large;
 }
-.input-sm + .form-control-feedback {
+.input-sm + .form-control-feedback,
+.input-group-sm + .form-control-feedback,
+.form-group-sm .form-control + .form-control-feedback {
   width: @input-height-small;
   height: @input-height-small;
   line-height: @input-height-small;
@@ -419,6 +483,11 @@ input[type="checkbox"] {
       vertical-align: middle;
     }
 
+    // Make static controls behave like regular ones
+    .form-control-static {
+      display: inline-block;
+    }
+
     .input-group {
       display: inline-table;
       vertical-align: middle;
@@ -441,8 +510,7 @@ input[type="checkbox"] {
     }
 
     // Remove default margin on radios/checkboxes that were used for stacking, and
-    // then undo the floating of radios and checkboxes to match (which also avoids
-    // a bug in WebKit: https://github.com/twbs/bootstrap/issues/1969).
+    // then undo the floating of radios and checkboxes to match.
     .radio,
     .checkbox {
       display: inline-block;
@@ -513,7 +581,7 @@ input[type="checkbox"] {
   // Reposition the icon because it's now within a grid column and columns have
   // `position: relative;` on them. Also accounts for the grid gutter padding.
   .has-feedback .form-control-feedback {
-    right: (@grid-gutter-width / 2);
+    right: floor((@grid-gutter-width / 2));
   }
 
   // Form group sizes
@@ -524,6 +592,7 @@ input[type="checkbox"] {
     @media (min-width: @screen-sm-min) {
       .control-label {
         padding-top: ((@padding-large-vertical * @line-height-large) + 1);
+        font-size: @font-size-large;
       }
     }
   }
@@ -531,6 +600,7 @@ input[type="checkbox"] {
     @media (min-width: @screen-sm-min) {
       .control-label {
         padding-top: (@padding-small-vertical + 1);
+        font-size: @font-size-small;
       }
     }
   }
diff --git a/resources/themes/_common/less/bootstrap/glyphicons.less b/resources/themes/_common/less/bootstrap/glyphicons.less
index d3485dc..335d80a 100644
--- a/resources/themes/_common/less/bootstrap/glyphicons.less
+++ b/resources/themes/_common/less/bootstrap/glyphicons.less
@@ -12,6 +12,7 @@
   font-family: 'Glyphicons Halflings';
   src: url('@{icon-font-path}@{icon-font-name}.eot');
   src: url('@{icon-font-path}@{icon-font-name}.eot?#iefix') format('embedded-opentype'),
+       url('@{icon-font-path}@{icon-font-name}.woff2') format('woff2'),
        url('@{icon-font-path}@{icon-font-name}.woff') format('woff'),
        url('@{icon-font-path}@{icon-font-name}.ttf') format('truetype'),
        url('@{icon-font-path}@{icon-font-name}.svg#@{icon-font-svg-id}') format('svg');
@@ -33,7 +34,8 @@
 // Individual icons
 .glyphicon-asterisk               { &:before { content: "\2a"; } }
 .glyphicon-plus                   { &:before { content: "\2b"; } }
-.glyphicon-euro                   { &:before { content: "\20ac"; } }
+.glyphicon-euro,
+.glyphicon-eur                    { &:before { content: "\20ac"; } }
 .glyphicon-minus                  { &:before { content: "\2212"; } }
 .glyphicon-cloud                  { &:before { content: "\2601"; } }
 .glyphicon-envelope               { &:before { content: "\2709"; } }
@@ -231,3 +233,73 @@
 .glyphicon-cloud-upload           { &:before { content: "\e198"; } }
 .glyphicon-tree-conifer           { &:before { content: "\e199"; } }
 .glyphicon-tree-deciduous         { &:before { content: "\e200"; } }
+.glyphicon-cd                     { &:before { content: "\e201"; } }
+.glyphicon-save-file              { &:before { content: "\e202"; } }
+.glyphicon-open-file              { &:before { content: "\e203"; } }
+.glyphicon-level-up               { &:before { content: "\e204"; } }
+.glyphicon-copy                   { &:before { content: "\e205"; } }
+.glyphicon-paste                  { &:before { content: "\e206"; } }
+// The following 2 Glyphicons are omitted for the time being because
+// they currently use Unicode codepoints that are outside the
+// Basic Multilingual Plane (BMP). Older buggy versions of WebKit can't handle
+// non-BMP codepoints in CSS string escapes, and thus can't display these two icons.
+// Notably, the bug affects some older versions of the Android Browser.
+// More info: https://github.com/twbs/bootstrap/issues/10106
+// .glyphicon-door                   { &:before { content: "\1f6aa"; } }
+// .glyphicon-key                    { &:before { content: "\1f511"; } }
+.glyphicon-alert                  { &:before { content: "\e209"; } }
+.glyphicon-equalizer              { &:before { content: "\e210"; } }
+.glyphicon-king                   { &:before { content: "\e211"; } }
+.glyphicon-queen                  { &:before { content: "\e212"; } }
+.glyphicon-pawn                   { &:before { content: "\e213"; } }
+.glyphicon-bishop                 { &:before { content: "\e214"; } }
+.glyphicon-knight                 { &:before { content: "\e215"; } }
+.glyphicon-baby-formula           { &:before { content: "\e216"; } }
+.glyphicon-tent                   { &:before { content: "\26fa"; } }
+.glyphicon-blackboard             { &:before { content: "\e218"; } }
+.glyphicon-bed                    { &:before { content: "\e219"; } }
+.glyphicon-apple                  { &:before { content: "\f8ff"; } }
+.glyphicon-erase                  { &:before { content: "\e221"; } }
+.glyphicon-hourglass              { &:before { content: "\231b"; } }
+.glyphicon-lamp                   { &:before { content: "\e223"; } }
+.glyphicon-duplicate              { &:before { content: "\e224"; } }
+.glyphicon-piggy-bank             { &:before { content: "\e225"; } }
+.glyphicon-scissors               { &:before { content: "\e226"; } }
+.glyphicon-bitcoin                { &:before { content: "\e227"; } }
+.glyphicon-btc                    { &:before { content: "\e227"; } }
+.glyphicon-xbt                    { &:before { content: "\e227"; } }
+.glyphicon-yen                    { &:before { content: "\00a5"; } }
+.glyphicon-jpy                    { &:before { content: "\00a5"; } }
+.glyphicon-ruble                  { &:before { content: "\20bd"; } }
+.glyphicon-rub                    { &:before { content: "\20bd"; } }
+.glyphicon-scale                  { &:before { content: "\e230"; } }
+.glyphicon-ice-lolly              { &:before { content: "\e231"; } }
+.glyphicon-ice-lolly-tasted       { &:before { content: "\e232"; } }
+.glyphicon-education              { &:before { content: "\e233"; } }
+.glyphicon-option-horizontal      { &:before { content: "\e234"; } }
+.glyphicon-option-vertical        { &:before { content: "\e235"; } }
+.glyphicon-menu-hamburger         { &:before { content: "\e236"; } }
+.glyphicon-modal-window           { &:before { content: "\e237"; } }
+.glyphicon-oil                    { &:before { content: "\e238"; } }
+.glyphicon-grain                  { &:before { content: "\e239"; } }
+.glyphicon-sunglasses             { &:before { content: "\e240"; } }
+.glyphicon-text-size              { &:before { content: "\e241"; } }
+.glyphicon-text-color             { &:before { content: "\e242"; } }
+.glyphicon-text-background        { &:before { content: "\e243"; } }
+.glyphicon-object-align-top       { &:before { content: "\e244"; } }
+.glyphicon-object-align-bottom    { &:before { content: "\e245"; } }
+.glyphicon-object-align-horizontal{ &:before { content: "\e246"; } }
+.glyphicon-object-align-left      { &:before { content: "\e247"; } }
+.glyphicon-object-align-vertical  { &:before { content: "\e248"; } }
+.glyphicon-object-align-right     { &:before { content: "\e249"; } }
+.glyphicon-triangle-right         { &:before { content: "\e250"; } }
+.glyphicon-triangle-left          { &:before { content: "\e251"; } }
+.glyphicon-triangle-bottom        { &:before { content: "\e252"; } }
+.glyphicon-triangle-top           { &:before { content: "\e253"; } }
+.glyphicon-console                { &:before { content: "\e254"; } }
+.glyphicon-superscript            { &:before { content: "\e255"; } }
+.glyphicon-subscript              { &:before { content: "\e256"; } }
+.glyphicon-menu-left              { &:before { content: "\e257"; } }
+.glyphicon-menu-right             { &:before { content: "\e258"; } }
+.glyphicon-menu-down              { &:before { content: "\e259"; } }
+.glyphicon-menu-up                { &:before { content: "\e260"; } }
diff --git a/resources/themes/_common/less/bootstrap/input-groups.less b/resources/themes/_common/less/bootstrap/input-groups.less
index a8712f2..457ea60 100644
--- a/resources/themes/_common/less/bootstrap/input-groups.less
+++ b/resources/themes/_common/less/bootstrap/input-groups.less
@@ -160,6 +160,7 @@
   &:last-child {
     > .btn,
     > .btn-group {
+      z-index: 2;
       margin-left: -1px;
     }
   }
diff --git a/resources/themes/_common/less/bootstrap/jumbotron.less b/resources/themes/_common/less/bootstrap/jumbotron.less
index 27cd8b8..fa80a38 100644
--- a/resources/themes/_common/less/bootstrap/jumbotron.less
+++ b/resources/themes/_common/less/bootstrap/jumbotron.less
@@ -4,7 +4,8 @@
 
 
 .jumbotron {
-  padding: @jumbotron-padding;
+  padding-top:    @jumbotron-padding;
+  padding-bottom: @jumbotron-padding;
   margin-bottom: @jumbotron-padding;
   color: @jumbotron-color;
   background-color: @jumbotron-bg;
@@ -13,6 +14,7 @@
   .h1 {
     color: @jumbotron-heading-color;
   }
+
   p {
     margin-bottom: (@jumbotron-padding / 2);
     font-size: @jumbotron-font-size;
@@ -23,7 +25,8 @@
     border-top-color: darken(@jumbotron-bg, 10%);
   }
 
-  .container & {
+  .container &,
+  .container-fluid & {
     border-radius: @border-radius-large; // Only round corners at higher resolutions if contained in a container
   }
 
@@ -35,14 +38,15 @@
     padding-top:    (@jumbotron-padding * 1.6);
     padding-bottom: (@jumbotron-padding * 1.6);
 
-    .container & {
+    .container &,
+    .container-fluid & {
       padding-left:  (@jumbotron-padding * 2);
       padding-right: (@jumbotron-padding * 2);
     }
 
     h1,
     .h1 {
-      font-size: (@font-size-base * 4.5);
+      font-size: @jumbotron-heading-font-size;
     }
   }
 }
diff --git a/resources/themes/_common/less/bootstrap/list-group.less b/resources/themes/_common/less/bootstrap/list-group.less
index 7d857cf..216b912 100644
--- a/resources/themes/_common/less/bootstrap/list-group.less
+++ b/resources/themes/_common/less/bootstrap/list-group.less
@@ -35,23 +35,16 @@
     margin-bottom: 0;
     .border-bottom-radius(@list-group-border-radius);
   }
-
-  // Align badges within list items
-  > .badge {
-    float: right;
-  }
-  > .badge + .badge {
-    margin-right: 5px;
-  }
 }
 
 
-// Linked list items
+// Interactive list items
 //
-// Use anchor elements instead of `li`s or `div`s to create linked list items.
+// Use anchor or button elements instead of `li`s or `div`s to create interactive items.
 // Includes an extra `.active` modifier class for showing selected items.
 
-a.list-group-item {
+a.list-group-item,
+button.list-group-item {
   color: @list-group-link-color;
 
   .list-group-item-heading {
@@ -67,6 +60,11 @@ a.list-group-item {
   }
 }
 
+button.list-group-item {
+  width: 100%;
+  text-align: left;
+}
+
 .list-group-item {
   // Disabled state
   &.disabled,
@@ -74,8 +72,8 @@ a.list-group-item {
   &.disabled:focus {
     background-color: @list-group-disabled-bg;
     color: @list-group-disabled-color;
-    cursor: not-allowed;
-    
+    cursor: @cursor-disabled;
+
     // Force color to inherit for custom content
     .list-group-item-heading {
       color: inherit;
diff --git a/resources/themes/_common/less/bootstrap/media.less b/resources/themes/_common/less/bootstrap/media.less
index 5ad22cd..8c835e8 100644
--- a/resources/themes/_common/less/bootstrap/media.less
+++ b/resources/themes/_common/less/bootstrap/media.less
@@ -1,54 +1,64 @@
-// Media objects
-// Source: http://stubbornella.org/content/?p=497
-// --------------------------------------------------
+.media {
+  // Proper spacing between instances of .media
+  margin-top: 15px;
 
+  &:first-child {
+    margin-top: 0;
+  }
+}
 
-// Common styles
-// -------------------------
-
-// Clear the floats
 .media,
 .media-body {
-  overflow: hidden;
   zoom: 1;
+  overflow: hidden;
 }
 
-// Proper spacing between instances of .media
-.media,
-.media .media {
-  margin-top: 15px;
-}
-.media:first-child {
-  margin-top: 0;
+.media-body {
+  width: 10000px;
 }
 
-// For images and videos, set to block
 .media-object {
   display: block;
+
+  // Fix collapse in webkit from max-width: 100% and display: table-cell.
+  &.img-thumbnail {
+    max-width: none;
+  }
+}
+
+.media-right,
+.media > .pull-right {
+  padding-left: 10px;
+}
+
+.media-left,
+.media > .pull-left {
+  padding-right: 10px;
+}
+
+.media-left,
+.media-right,
+.media-body {
+  display: table-cell;
+  vertical-align: top;
+}
+
+.media-middle {
+  vertical-align: middle;
+}
+
+.media-bottom {
+  vertical-align: bottom;
 }
 
 // Reset margins on headings for tighter default spacing
 .media-heading {
-  margin: 0 0 5px;
+  margin-top: 0;
+  margin-bottom: 5px;
 }
 
-
-// Media image alignment
-// -------------------------
-
-.media {
-  > .pull-left {
-    margin-right: 10px;
-  }
-  > .pull-right {
-    margin-left: 10px;
-  }
-}
-
-
 // Media list variation
-// -------------------------
-
+//
 // Undo default ul/ol styles
 .media-list {
   padding-left: 0;
diff --git a/resources/themes/_common/less/bootstrap/mixins.less b/resources/themes/_common/less/bootstrap/mixins.less
index af4408f..e6f9fe6 100644
--- a/resources/themes/_common/less/bootstrap/mixins.less
+++ b/resources/themes/_common/less/bootstrap/mixins.less
@@ -11,6 +11,7 @@
 @import "mixins/responsive-visibility.less";
 @import "mixins/size.less";
 @import "mixins/tab-focus.less";
+@import "mixins/reset-text.less";
 @import "mixins/text-emphasis.less";
 @import "mixins/text-overflow.less";
 @import "mixins/vendor-prefixes.less";
diff --git a/resources/themes/_common/less/bootstrap/mixins/background-variant.less b/resources/themes/_common/less/bootstrap/mixins/background-variant.less
index 556e490..a85c22b 100644
--- a/resources/themes/_common/less/bootstrap/mixins/background-variant.less
+++ b/resources/themes/_common/less/bootstrap/mixins/background-variant.less
@@ -2,7 +2,8 @@
 
 .bg-variant(@color) {
   background-color: @color;
-  a&:hover {
+  a&:hover,
+  a&:focus {
     background-color: darken(@color, 10%);
   }
 }
diff --git a/resources/themes/_common/less/bootstrap/mixins/buttons.less b/resources/themes/_common/less/bootstrap/mixins/buttons.less
index 92d8a05..6875a97 100644
--- a/resources/themes/_common/less/bootstrap/mixins/buttons.less
+++ b/resources/themes/_common/less/bootstrap/mixins/buttons.less
@@ -8,15 +8,31 @@
   background-color: @background;
   border-color: @border;
 
-  &:hover,
   &:focus,
-  &.focus,
+  &.focus {
+    color: @color;
+    background-color: darken(@background, 10%);
+        border-color: darken(@border, 25%);
+  }
+  &:hover {
+    color: @color;
+    background-color: darken(@background, 10%);
+        border-color: darken(@border, 12%);
+  }
   &:active,
   &.active,
   .open > .dropdown-toggle& {
     color: @color;
     background-color: darken(@background, 10%);
         border-color: darken(@border, 12%);
+
+    &:hover,
+    &:focus,
+    &.focus {
+      color: @color;
+      background-color: darken(@background, 17%);
+          border-color: darken(@border, 25%);
+    }
   }
   &:active,
   &.active,
diff --git a/resources/themes/_common/less/bootstrap/mixins/grid-framework.less b/resources/themes/_common/less/bootstrap/mixins/grid-framework.less
index 6317854..8c23eed 100644
--- a/resources/themes/_common/less/bootstrap/mixins/grid-framework.less
+++ b/resources/themes/_common/less/bootstrap/mixins/grid-framework.less
@@ -5,7 +5,7 @@
 
 .make-grid-columns() {
   // Common styles for all sizes of grid columns, widths 1-12
-  .col(@index) when (@index = 1) { // initial
+  .col(@index) { // initial
     @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
     .col((@index + 1), @item);
   }
@@ -19,15 +19,15 @@
       // Prevent columns from collapsing when empty
       min-height: 1px;
       // Inner gutter via padding
-      padding-left:  (@grid-gutter-width / 2);
-      padding-right: (@grid-gutter-width / 2);
+      padding-left:  ceil((@grid-gutter-width / 2));
+      padding-right: floor((@grid-gutter-width / 2));
     }
   }
   .col(1); // kickstart it
 }
 
 .float-grid-columns(@class) {
-  .col(@index) when (@index = 1) { // initial
+  .col(@index) { // initial
     @item: ~".col-@{class}-@{index}";
     .col((@index + 1), @item);
   }
diff --git a/resources/themes/_common/less/bootstrap/mixins/grid.less b/resources/themes/_common/less/bootstrap/mixins/grid.less
index cae5eaf..f144c15 100644
--- a/resources/themes/_common/less/bootstrap/mixins/grid.less
+++ b/resources/themes/_common/less/bootstrap/mixins/grid.less
@@ -13,8 +13,8 @@
 
 // Creates a wrapper for a series of columns
 .make-row(@gutter: @grid-gutter-width) {
-  margin-left:  (@gutter / -2);
-  margin-right: (@gutter / -2);
+  margin-left:  ceil((@gutter / -2));
+  margin-right: floor((@gutter / -2));
   &:extend(.clearfix all);
 }
 
diff --git a/resources/themes/_common/less/bootstrap/mixins/hide-text.less b/resources/themes/_common/less/bootstrap/mixins/hide-text.less
index c2315e5..bc70118 100644
--- a/resources/themes/_common/less/bootstrap/mixins/hide-text.less
+++ b/resources/themes/_common/less/bootstrap/mixins/hide-text.less
@@ -1,6 +1,6 @@
 // CSS image replacement
 //
-// Heads up! v3 launched with with only `.hide-text()`, but per our pattern for
+// Heads up! v3 launched with only `.hide-text()`, but per our pattern for
 // mixins being reused as classes with the same name, this doesn't hold up. As
 // of v3.0.1 we have added `.text-hide()` and deprecated `.hide-text()`.
 //
diff --git a/resources/themes/_common/less/bootstrap/mixins/labels.less b/resources/themes/_common/less/bootstrap/mixins/labels.less
index 6f9e490..9f7a67e 100644
--- a/resources/themes/_common/less/bootstrap/mixins/labels.less
+++ b/resources/themes/_common/less/bootstrap/mixins/labels.less
@@ -2,7 +2,7 @@
 
 .label-variant(@color) {
   background-color: @color;
-  
+
   &[href] {
     &:hover,
     &:focus {
diff --git a/resources/themes/_common/less/bootstrap/mixins/list-group.less b/resources/themes/_common/less/bootstrap/mixins/list-group.less
index 8b5b065..03aa190 100644
--- a/resources/themes/_common/less/bootstrap/mixins/list-group.less
+++ b/resources/themes/_common/less/bootstrap/mixins/list-group.less
@@ -5,7 +5,8 @@
     color: @color;
     background-color: @background;
 
-    a& {
+    a&,
+    button& {
       color: @color;
 
       .list-group-item-heading {
diff --git a/resources/themes/_common/less/bootstrap/mixins/pagination.less b/resources/themes/_common/less/bootstrap/mixins/pagination.less
index 7deb505..618804f 100644
--- a/resources/themes/_common/less/bootstrap/mixins/pagination.less
+++ b/resources/themes/_common/less/bootstrap/mixins/pagination.less
@@ -1,11 +1,12 @@
 // Pagination
 
-.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {
+.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
   > li {
     > a,
     > span {
       padding: @padding-vertical @padding-horizontal;
       font-size: @font-size;
+      line-height: @line-height;
     }
     &:first-child {
       > a,
diff --git a/resources/themes/_common/less/bootstrap/mixins/reset-text.less b/resources/themes/_common/less/bootstrap/mixins/reset-text.less
new file mode 100644
index 0000000..58dd4d1
--- /dev/null
+++ b/resources/themes/_common/less/bootstrap/mixins/reset-text.less
@@ -0,0 +1,18 @@
+.reset-text() {
+  font-family: @font-family-base;
+  // We deliberately do NOT reset font-size.
+  font-style: normal;
+  font-weight: normal;
+  letter-spacing: normal;
+  line-break: auto;
+  line-height: @line-height-base;
+  text-align: left; // Fallback for where `start` is not supported
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  white-space: normal;
+  word-break: normal;
+  word-spacing: normal;
+  word-wrap: normal;
+}
diff --git a/resources/themes/_common/less/bootstrap/mixins/responsive-visibility.less b/resources/themes/_common/less/bootstrap/mixins/responsive-visibility.less
index f7951c3..ecf1e97 100644
--- a/resources/themes/_common/less/bootstrap/mixins/responsive-visibility.less
+++ b/resources/themes/_common/less/bootstrap/mixins/responsive-visibility.less
@@ -4,7 +4,7 @@
 // More easily include all the states for responsive-utilities.less.
 .responsive-visibility() {
   display: block !important;
-  table&  { display: table; }
+  table&  { display: table !important; }
   tr&     { display: table-row !important; }
   th&,
   td&     { display: table-cell !important; }
diff --git a/resources/themes/_common/less/bootstrap/mixins/text-emphasis.less b/resources/themes/_common/less/bootstrap/mixins/text-emphasis.less
index 0868ef9..9e8a77a 100644
--- a/resources/themes/_common/less/bootstrap/mixins/text-emphasis.less
+++ b/resources/themes/_common/less/bootstrap/mixins/text-emphasis.less
@@ -2,7 +2,8 @@
 
 .text-emphasis-variant(@color) {
   color: @color;
-  a&:hover {
+  a&:hover,
+  a&:focus {
     color: darken(@color, 10%);
   }
 }
diff --git a/resources/themes/_common/less/bootstrap/mixins/vendor-prefixes.less b/resources/themes/_common/less/bootstrap/mixins/vendor-prefixes.less
index e2008c8..afd3331 100644
--- a/resources/themes/_common/less/bootstrap/mixins/vendor-prefixes.less
+++ b/resources/themes/_common/less/bootstrap/mixins/vendor-prefixes.less
@@ -99,9 +99,12 @@
 
 // Placeholder text
 .placeholder(@color: @input-color-placeholder) {
-  &::-moz-placeholder           { color: @color;   // Firefox
-                                  opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526
-  &:-ms-input-placeholder       { color: @color; } // Internet Explorer 10+
+  // Firefox
+  &::-moz-placeholder {
+    color: @color;
+    opacity: 1; // Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526
+  }
+  &:-ms-input-placeholder { color: @color; } // Internet Explorer 10+
   &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
 }
 
diff --git a/resources/themes/_common/less/bootstrap/modals.less b/resources/themes/_common/less/bootstrap/modals.less
index 6da50ba..1de6220 100644
--- a/resources/themes/_common/less/bootstrap/modals.less
+++ b/resources/themes/_common/less/bootstrap/modals.less
@@ -30,10 +30,10 @@
 
   // When fading in the modal, animate it to slide down
   &.fade .modal-dialog {
-    .translate3d(0, -25%, 0);
+    .translate(0, -25%);
     .transition-transform(~"0.3s ease-out");
   }
-  &.in .modal-dialog { .translate3d(0, 0, 0) }
+  &.in .modal-dialog { .translate(0, 0) }
 }
 .modal-open .modal {
   overflow-x: hidden;
diff --git a/resources/themes/_common/less/bootstrap/navbar.less b/resources/themes/_common/less/bootstrap/navbar.less
index c7bdd36..6d751bb 100644
--- a/resources/themes/_common/less/bootstrap/navbar.less
+++ b/resources/themes/_common/less/bootstrap/navbar.less
@@ -141,7 +141,6 @@
   right: 0;
   left: 0;
   z-index: @zindex-navbar-fixed;
-  .translate3d(0, 0, 0);
 
   // Undo the rounded corners
   @media (min-width: @grid-float-breakpoint) {
@@ -299,6 +298,10 @@
   .form-group {
     @media (max-width: @grid-float-breakpoint-max) {
       margin-bottom: 5px;
+
+      &:last-child {
+        margin-bottom: 0;
+      }
     }
   }
 
@@ -327,6 +330,8 @@
 }
 // Menu position and menu caret support for dropups via extra dropup class
 .navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
+  margin-bottom: 0;
+  .border-top-radius(@navbar-border-radius);
   .border-bottom-radius(0);
 }
 
diff --git a/resources/themes/_common/less/bootstrap/navs.less b/resources/themes/_common/less/bootstrap/navs.less
index 98a6430..a3d11b1 100644
--- a/resources/themes/_common/less/bootstrap/navs.less
+++ b/resources/themes/_common/less/bootstrap/navs.less
@@ -36,7 +36,7 @@
         color: @nav-disabled-link-hover-color;
         text-decoration: none;
         background-color: transparent;
-        cursor: not-allowed;
+        cursor: @cursor-disabled;
       }
     }
   }
diff --git a/resources/themes/_common/less/bootstrap/normalize.less b/resources/themes/_common/less/bootstrap/normalize.less
index ce04b6a..9dddf73 100644
--- a/resources/themes/_common/less/bootstrap/normalize.less
+++ b/resources/themes/_common/less/bootstrap/normalize.less
@@ -1,9 +1,9 @@
-/*! normalize.css v3.0.1 | MIT License | git.io/normalize */
+/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
 
 //
 // 1. Set default font family to sans-serif.
-// 2. Prevent iOS text size adjust after orientation change, without disabling
-//    user zoom.
+// 2. Prevent iOS and IE text size adjust after device orientation change,
+//    without disabling user zoom.
 //
 
 html {
@@ -25,7 +25,8 @@ body {
 
 //
 // Correct `block` display not defined for any HTML5 element in IE 8/9.
-// Correct `block` display not defined for `details` or `summary` in IE 10/11 and Firefox.
+// Correct `block` display not defined for `details` or `summary` in IE 10/11
+// and Firefox.
 // Correct `block` display not defined for `main` in IE 11.
 //
 
@@ -38,6 +39,7 @@ footer,
 header,
 hgroup,
 main,
+menu,
 nav,
 section,
 summary {
@@ -69,7 +71,7 @@ audio:not([controls]) {
 
 //
 // Address `[hidden]` styling not present in IE 8/9/10.
-// Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
+// Hide the `template` element in IE 8/9/10/11, Safari, and Firefox < 22.
 //
 
 [hidden],
@@ -85,11 +87,12 @@ template {
 //
 
 a {
-  background: transparent;
+  background-color: transparent;
 }
 
 //
-// Improve readability when focused and also mouse hovered in all browsers.
+// Improve readability of focused elements when they are also in an
+// active/hover state.
 //
 
 a:active,
@@ -207,7 +210,6 @@ figure {
 //
 
 hr {
-  -moz-box-sizing: content-box;
   box-sizing: content-box;
   height: 0;
 }
@@ -348,15 +350,12 @@ input[type="number"]::-webkit-outer-spin-button {
 
 //
 // 1. Address `appearance` set to `searchfield` in Safari and Chrome.
-// 2. Address `box-sizing` set to `border-box` in Safari and Chrome
-//    (include `-moz` to future-proof).
+// 2. Address `box-sizing` set to `border-box` in Safari and Chrome.
 //
 
 input[type="search"] {
   -webkit-appearance: textfield; // 1
-  -moz-box-sizing: content-box;
-  -webkit-box-sizing: content-box; // 2
-  box-sizing: content-box;
+  box-sizing: content-box; //2
 }
 
 //
diff --git a/resources/themes/_common/less/bootstrap/pager.less b/resources/themes/_common/less/bootstrap/pager.less
index 59103f4..41abaaa 100644
--- a/resources/themes/_common/less/bootstrap/pager.less
+++ b/resources/themes/_common/less/bootstrap/pager.less
@@ -48,8 +48,7 @@
     > span {
       color: @pager-disabled-color;
       background-color: @pager-bg;
-      cursor: not-allowed;
+      cursor: @cursor-disabled;
     }
   }
-
 }
diff --git a/resources/themes/_common/less/bootstrap/pagination.less b/resources/themes/_common/less/bootstrap/pagination.less
index b2856ae..31a23bf 100644
--- a/resources/themes/_common/less/bootstrap/pagination.less
+++ b/resources/themes/_common/less/bootstrap/pagination.less
@@ -40,6 +40,7 @@
   > li > span {
     &:hover,
     &:focus {
+      z-index: 3;
       color: @pagination-hover-color;
       background-color: @pagination-hover-bg;
       border-color: @pagination-hover-border;
@@ -69,7 +70,7 @@
       color: @pagination-disabled-color;
       background-color: @pagination-disabled-bg;
       border-color: @pagination-disabled-border;
-      cursor: not-allowed;
+      cursor: @cursor-disabled;
     }
   }
 }
@@ -79,10 +80,10 @@
 
 // Large
 .pagination-lg {
-  .pagination-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @border-radius-large);
+  .pagination-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large);
 }
 
 // Small
 .pagination-sm {
-  .pagination-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @border-radius-small);
+  .pagination-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small);
 }
diff --git a/resources/themes/_common/less/bootstrap/panels.less b/resources/themes/_common/less/bootstrap/panels.less
index 2dc2131..425eb5e 100644
--- a/resources/themes/_common/less/bootstrap/panels.less
+++ b/resources/themes/_common/less/bootstrap/panels.less
@@ -36,7 +36,11 @@
   font-size: ceil((@font-size-base * 1.125));
   color: inherit;
 
-  > a {
+  > a,
+  > small,
+  > .small,
+  > small > a,
+  > .small > a {
     color: inherit;
   }
 }
@@ -56,7 +60,8 @@
 // any kind of custom content between the two.
 
 .panel {
-  > .list-group {
+  > .list-group,
+  > .panel-collapse > .list-group {
     margin-bottom: 0;
 
     .list-group-item {
@@ -71,6 +76,7 @@
         .border-top-radius((@panel-border-radius - 1));
       }
     }
+
     // Add border bottom radius for last one
     &:last-child {
       .list-group-item:last-child {
@@ -79,6 +85,11 @@
       }
     }
   }
+  > .panel-heading + .panel-collapse > .list-group {
+    .list-group-item:first-child {
+      .border-top-radius(0);
+    }
+  }
 }
 // Collapse space between when there's no additional content.
 .panel-heading + .list-group {
@@ -100,6 +111,11 @@
   > .table-responsive > .table,
   > .panel-collapse > .table {
     margin-bottom: 0;
+
+    caption {
+      padding-left: @panel-body-padding;
+      padding-right: @panel-body-padding;
+    }
   }
   // Add border top radius for first one
   > .table:first-child,
@@ -109,6 +125,9 @@
     > thead:first-child,
     > tbody:first-child {
       > tr:first-child {
+        border-top-left-radius: (@panel-border-radius - 1);
+        border-top-right-radius: (@panel-border-radius - 1);
+
         td:first-child,
         th:first-child {
           border-top-left-radius: (@panel-border-radius - 1);
@@ -128,6 +147,9 @@
     > tbody:last-child,
     > tfoot:last-child {
       > tr:last-child {
+        border-bottom-left-radius: (@panel-border-radius - 1);
+        border-bottom-right-radius: (@panel-border-radius - 1);
+
         td:first-child,
         th:first-child {
           border-bottom-left-radius: (@panel-border-radius - 1);
@@ -140,7 +162,9 @@
     }
   }
   > .panel-body + .table,
-  > .panel-body + .table-responsive {
+  > .panel-body + .table-responsive,
+  > .table + .panel-body,
+  > .table-responsive + .panel-body {
     border-top: 1px solid @table-border-color;
   }
   > .table > tbody:first-child > tr:first-child th,
@@ -202,6 +226,7 @@
   .panel {
     margin-bottom: 0;
     border-radius: @panel-border-radius;
+
     + .panel {
       margin-top: 5px;
     }
@@ -209,10 +234,13 @@
 
   .panel-heading {
     border-bottom: 0;
-    + .panel-collapse > .panel-body {
+
+    + .panel-collapse > .panel-body,
+    + .panel-collapse > .list-group {
       border-top: 1px solid @panel-inner-border;
     }
   }
+
   .panel-footer {
     border-top: 0;
     + .panel-collapse .panel-body {
diff --git a/resources/themes/_common/less/bootstrap/popovers.less b/resources/themes/_common/less/bootstrap/popovers.less
index bf6af40..3a62a64 100644
--- a/resources/themes/_common/less/bootstrap/popovers.less
+++ b/resources/themes/_common/less/bootstrap/popovers.less
@@ -11,7 +11,11 @@
   display: none;
   max-width: @popover-max-width;
   padding: 1px;
-  text-align: left; // Reset given new insertion method
+  // Our parent element can be arbitrary since popovers are by default inserted as a sibling of their target element.
+  // So reset our font and text properties to avoid inheriting weird values.
+  .reset-text();
+  font-size: @font-size-base;
+
   background-color: @popover-bg;
   background-clip: padding-box;
   border: 1px solid @popover-fallback-border-color;
@@ -19,9 +23,6 @@
   border-radius: @border-radius-large;
   .box-shadow(0 5px 10px rgba(0,0,0,.2));
 
-  // Overrides for proper insertion
-  white-space: normal;
-
   // Offset the popover to account for the popover arrow
   &.top     { margin-top: -@popover-arrow-width; }
   &.right   { margin-left: @popover-arrow-width; }
@@ -33,8 +34,6 @@
   margin: 0; // reset heading margin
   padding: 8px 14px;
   font-size: @font-size-base;
-  font-weight: normal;
-  line-height: 18px;
   background-color: @popover-title-bg;
   border-bottom: 1px solid darken(@popover-title-bg, 5%);
   border-radius: (@border-radius-large - 1) (@border-radius-large - 1) 0 0;
@@ -129,5 +128,4 @@
       bottom: -@popover-arrow-width;
     }
   }
-
 }
diff --git a/resources/themes/_common/less/bootstrap/print.less b/resources/themes/_common/less/bootstrap/print.less
index 3655d03..66e54ab 100644
--- a/resources/themes/_common/less/bootstrap/print.less
+++ b/resources/themes/_common/less/bootstrap/print.less
@@ -1,101 +1,101 @@
-//
-// Basic print styles
-// --------------------------------------------------
-// Source: https://github.com/h5bp/html5-boilerplate/blob/master/css/main.css
+/*! Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css */
+
+// ==========================================================================
+// Print styles.
+// Inlined to avoid the additional HTTP request: h5bp.com/r
+// ==========================================================================
 
 @media print {
-
-  * {
-    text-shadow: none !important;
-    color: #000 !important; // Black prints faster: h5bp.com/s
-    background: transparent !important;
-    box-shadow: none !important;
-  }
-
-  a,
-  a:visited {
-    text-decoration: underline;
-  }
-
-  a[href]:after {
-    content: " (" attr(href) ")";
-  }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")";
-  }
-
-  // Don't show links for images, or javascript/internal links
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: "";
-  }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid;
-  }
-
-  thead {
-    display: table-header-group; // h5bp.com/t
-  }
-
-  tr,
-  img {
-    page-break-inside: avoid;
-  }
-
-  img {
-    max-width: 100% !important;
-  }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3;
-  }
-
-  h2,
-  h3 {
-    page-break-after: avoid;
-  }
-
-  // Chrome (OSX) fix for https://github.com/twbs/bootstrap/issues/11245
-  // Once fixed, we can just straight up remove this.
-  select {
-    background: #fff !important;
-  }
-
-  // Bootstrap components
-  .navbar {
-    display: none;
-  }
-  .table {
-    td,
-    th {
-      background-color: #fff !important;
+    *,
+    *:before,
+    *:after {
+        background: transparent !important;
+        color: #000 !important; // Black prints faster: h5bp.com/s
+        box-shadow: none !important;
+        text-shadow: none !important;
     }
-  }
-  .btn,
-  .dropup > .btn {
-    > .caret {
-      border-top-color: #000 !important;
-    }
-  }
-  .label {
-    border: 1px solid #000;
-  }
 
-  .table {
-    border-collapse: collapse !important;
-  }
-  .table-bordered {
-    th,
-    td {
-      border: 1px solid #ddd !important;
+    a,
+    a:visited {
+        text-decoration: underline;
     }
-  }
 
+    a[href]:after {
+        content: " (" attr(href) ")";
+    }
+
+    abbr[title]:after {
+        content: " (" attr(title) ")";
+    }
+
+    // Don't show links that are fragment identifiers,
+    // or use the `javascript:` pseudo protocol
+    a[href^="#"]:after,
+    a[href^="javascript:"]:after {
+        content: "";
+    }
+
+    pre,
+    blockquote {
+        border: 1px solid #999;
+        page-break-inside: avoid;
+    }
+
+    thead {
+        display: table-header-group; // h5bp.com/t
+    }
+
+    tr,
+    img {
+        page-break-inside: avoid;
+    }
+
+    img {
+        max-width: 100% !important;
+    }
+
+    p,
+    h2,
+    h3 {
+        orphans: 3;
+        widows: 3;
+    }
+
+    h2,
+    h3 {
+        page-break-after: avoid;
+    }
+
+    // Bootstrap specific changes start
+
+    // Bootstrap components
+    .navbar {
+        display: none;
+    }
+    .btn,
+    .dropup > .btn {
+        > .caret {
+            border-top-color: #000 !important;
+        }
+    }
+    .label {
+        border: 1px solid #000;
+    }
+
+    .table {
+        border-collapse: collapse !important;
+
+        td,
+        th {
+            background-color: #fff !important;
+        }
+    }
+    .table-bordered {
+        th,
+        td {
+            border: 1px solid #ddd !important;
+        }
+    }
+
+    // Bootstrap specific changes end
 }
diff --git a/resources/themes/_common/less/bootstrap/progress-bars.less b/resources/themes/_common/less/bootstrap/progress-bars.less
index d5fbfb7..8868a1f 100644
--- a/resources/themes/_common/less/bootstrap/progress-bars.less
+++ b/resources/themes/_common/less/bootstrap/progress-bars.less
@@ -19,7 +19,6 @@
 }
 
 
-
 // Bar itself
 // -------------------------
 
@@ -29,7 +28,7 @@
   height: @line-height-computed;
   margin-bottom: @line-height-computed;
   background-color: @progress-bg;
-  border-radius: @border-radius-base;
+  border-radius: @progress-border-radius;
   .box-shadow(inset 0 1px 2px rgba(0,0,0,.1));
 }
 
@@ -67,18 +66,6 @@
   .animation(progress-bar-stripes 2s linear infinite);
 }
 
-// Account for lower percentages
-.progress-bar {
-  &[aria-valuenow="0"] {
-    color: @gray-light;
-    min-width: 30px;
-    background-color: transparent;
-    background-image: none;
-    box-shadow: none;
-  }
-}
-
-
 
 // Variations
 // -------------------------
diff --git a/resources/themes/_common/less/bootstrap/responsive-embed.less b/resources/themes/_common/less/bootstrap/responsive-embed.less
index a884d49..080a511 100644
--- a/resources/themes/_common/less/bootstrap/responsive-embed.less
+++ b/resources/themes/_common/less/bootstrap/responsive-embed.less
@@ -12,7 +12,8 @@
   .embed-responsive-item,
   iframe,
   embed,
-  object {
+  object,
+  video {
     position: absolute;
     top: 0;
     left: 0;
@@ -21,14 +22,14 @@
     width: 100%;
     border: 0;
   }
-
-  // Modifier class for 16:9 aspect ratio
-  &.embed-responsive-16by9 {
-    padding-bottom: 56.25%;
-  }
-
-  // Modifier class for 4:3 aspect ratio
-  &.embed-responsive-4by3 {
-    padding-bottom: 75%;
-  }
+}
+
+// Modifier class for 16:9 aspect ratio
+.embed-responsive-16by9 {
+  padding-bottom: 56.25%;
+}
+
+// Modifier class for 4:3 aspect ratio
+.embed-responsive-4by3 {
+  padding-bottom: 75%;
 }
diff --git a/resources/themes/_common/less/bootstrap/scaffolding.less b/resources/themes/_common/less/bootstrap/scaffolding.less
index c1e270f..1929bfc 100644
--- a/resources/themes/_common/less/bootstrap/scaffolding.less
+++ b/resources/themes/_common/less/bootstrap/scaffolding.less
@@ -52,7 +52,7 @@ a {
   &:hover,
   &:focus {
     color: @link-hover-color;
-    text-decoration: underline;
+    text-decoration: @link-hover-decoration;
   }
 
   &:focus {
@@ -148,3 +148,14 @@ hr {
     clip: auto;
   }
 }
+
+
+// iOS "clickable elements" fix for role="button"
+//
+// Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
+// for traditionally non-focusable elements with role="button"
+// see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
+
+[role="button"] {
+  cursor: pointer;
+}
diff --git a/resources/themes/_common/less/bootstrap/tables.less b/resources/themes/_common/less/bootstrap/tables.less
index 25db1fe..2242c03 100644
--- a/resources/themes/_common/less/bootstrap/tables.less
+++ b/resources/themes/_common/less/bootstrap/tables.less
@@ -111,7 +111,7 @@ th {
 // Default zebra-stripe styles (alternating gray and transparent backgrounds)
 
 .table-striped {
-  > tbody > tr:nth-child(odd) {
+  > tbody > tr:nth-of-type(odd) {
     background-color: @table-bg-accent;
   }
 }
@@ -133,7 +133,7 @@ th {
 // Reset default table behavior
 
 table col[class*="col-"] {
-  position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
+  position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
   float: none;
   display: table-column;
 }
@@ -141,7 +141,7 @@ table {
   td,
   th {
     &[class*="col-"] {
-      position: static; // Prevent border hiding in Firefox and IE9/10 (see https://github.com/twbs/bootstrap/issues/11623)
+      position: static; // Prevent border hiding in Firefox and IE9-11 (see https://github.com/twbs/bootstrap/issues/11623)
       float: none;
       display: table-cell;
     }
@@ -169,14 +169,15 @@ table {
 // will display normally.
 
 .table-responsive {
+  overflow-x: auto;
+  min-height: 0.01%; // Workaround for IE9 bug (see https://github.com/twbs/bootstrap/issues/14837)
+
   @media screen and (max-width: @screen-xs-max) {
     width: 100%;
     margin-bottom: (@line-height-computed * 0.75);
     overflow-y: hidden;
-    overflow-x: auto;
     -ms-overflow-style: -ms-autohiding-scrollbar;
     border: 1px solid @table-border-color;
-    -webkit-overflow-scrolling: touch;
 
     // Tighten up spacing
     > .table {
diff --git a/resources/themes/_common/less/bootstrap/theme.less b/resources/themes/_common/less/bootstrap/theme.less
index 559e11e..8371872 100644
--- a/resources/themes/_common/less/bootstrap/theme.less
+++ b/resources/themes/_common/less/bootstrap/theme.less
@@ -1,3 +1,8 @@
+/*!
+ * Bootstrap v3.3.5 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 
 //
 // Load core variables and mixins
@@ -7,7 +12,6 @@
 @import "mixins.less";
 
 
-
 //
 // Buttons
 // --------------------------------------------------
@@ -28,12 +32,22 @@
   &.active {
     .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
   }
+
+  &.disabled,
+  &[disabled],
+  fieldset[disabled] & {
+    .box-shadow(none);
+  }
+
+  .badge {
+    text-shadow: none;
+  }
 }
 
 // Mixin for generating new styles
 .btn-styles(@btn-color: #555) {
   #gradient > .vertical(@start-color: @btn-color; @end-color: darken(@btn-color, 12%));
-  .reset-filter(); // Disable gradients for IE9 because filter bleeds through rounded corners
+  .reset-filter(); // Disable gradients for IE9 because filter bleeds through rounded corners; see https://github.com/twbs/bootstrap/issues/10620
   background-repeat: repeat-x;
   border-color: darken(@btn-color, 14%);
 
@@ -49,10 +63,18 @@
     border-color: darken(@btn-color, 14%);
   }
 
-  &:disabled,
-  &[disabled] {
-    background-color: darken(@btn-color, 12%);
-    background-image: none;
+  &.disabled,
+  &[disabled],
+  fieldset[disabled] & {
+    &,
+    &:hover,
+    &:focus,
+    &.focus,
+    &:active,
+    &.active {
+      background-color: darken(@btn-color, 12%);
+      background-image: none;
+    }
   }
 }
 
@@ -74,7 +96,6 @@
 .btn-danger  { .btn-styles(@btn-danger-bg); }
 
 
-
 //
 // Images
 // --------------------------------------------------
@@ -85,7 +106,6 @@
 }
 
 
-
 //
 // Dropdowns
 // --------------------------------------------------
@@ -103,7 +123,6 @@
 }
 
 
-
 //
 // Navbar
 // --------------------------------------------------
@@ -118,7 +137,7 @@
 
   .navbar-nav > .open > a,
   .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: darken(@navbar-default-bg, 5%); @end-color: darken(@navbar-default-bg, 2%));
+    #gradient > .vertical(@start-color: darken(@navbar-default-link-active-bg, 5%); @end-color: darken(@navbar-default-link-active-bg, 2%));
     .box-shadow(inset 0 3px 9px rgba(0,0,0,.075));
   }
 }
@@ -130,11 +149,11 @@
 // Inverted navbar
 .navbar-inverse {
   #gradient > .vertical(@start-color: lighten(@navbar-inverse-bg, 10%); @end-color: @navbar-inverse-bg);
-  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered
-
+  .reset-filter(); // Remove gradient in IE<10 to fix bug where dropdowns don't get triggered; see https://github.com/twbs/bootstrap/issues/10257
+  border-radius: @navbar-border-radius;
   .navbar-nav > .open > a,
   .navbar-nav > .active > a {
-    #gradient > .vertical(@start-color: @navbar-inverse-bg; @end-color: lighten(@navbar-inverse-bg, 2.5%));
+    #gradient > .vertical(@start-color: @navbar-inverse-link-active-bg; @end-color: lighten(@navbar-inverse-link-active-bg, 2.5%));
     .box-shadow(inset 0 3px 9px rgba(0,0,0,.25));
   }
 
@@ -151,6 +170,17 @@
   border-radius: 0;
 }
 
+// Fix active state of dropdown items in collapsed mode
+@media (max-width: @grid-float-breakpoint-max) {
+  .navbar .navbar-nav .open .dropdown-menu > .active > a {
+    &,
+    &:hover,
+    &:focus {
+      color: #fff;
+      #gradient > .vertical(@start-color: @dropdown-link-active-bg; @end-color: darken(@dropdown-link-active-bg, 5%));
+    }
+  }
+}
 
 
 //
@@ -177,7 +207,6 @@
 .alert-danger     { .alert-styles(@alert-danger-bg); }
 
 
-
 //
 // Progress bars
 // --------------------------------------------------
@@ -220,8 +249,11 @@
   text-shadow: 0 -1px 0 darken(@list-group-active-bg, 10%);
   #gradient > .vertical(@start-color: @list-group-active-bg; @end-color: darken(@list-group-active-bg, 7.5%));
   border-color: darken(@list-group-active-border, 7.5%);
-}
 
+  .badge {
+    text-shadow: none;
+  }
+}
 
 
 //
@@ -247,7 +279,6 @@
 .panel-danger > .panel-heading    { .panel-heading-styles(@panel-danger-heading-bg); }
 
 
-
 //
 // Wells
 // --------------------------------------------------
diff --git a/resources/themes/_common/less/bootstrap/thumbnails.less b/resources/themes/_common/less/bootstrap/thumbnails.less
index c428920..0713e67 100644
--- a/resources/themes/_common/less/bootstrap/thumbnails.less
+++ b/resources/themes/_common/less/bootstrap/thumbnails.less
@@ -12,7 +12,7 @@
   background-color: @thumbnail-bg;
   border: 1px solid @thumbnail-border;
   border-radius: @thumbnail-border-radius;
-  .transition(all .2s ease-in-out);
+  .transition(border .2s ease-in-out);
 
   > img,
   a > img {
diff --git a/resources/themes/_common/less/bootstrap/tooltip.less b/resources/themes/_common/less/bootstrap/tooltip.less
index bd62699..b48d63e 100644
--- a/resources/themes/_common/less/bootstrap/tooltip.less
+++ b/resources/themes/_common/less/bootstrap/tooltip.less
@@ -8,9 +8,11 @@
   position: absolute;
   z-index: @zindex-tooltip;
   display: block;
-  visibility: visible;
+  // 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.
+  .reset-text();
   font-size: @font-size-small;
-  line-height: 1.4;
+
   .opacity(0);
 
   &.in     { .opacity(@tooltip-opacity); }
@@ -26,7 +28,6 @@
   padding: 3px 8px;
   color: @tooltip-color;
   text-align: center;
-  text-decoration: none;
   background-color: @tooltip-bg;
   border-radius: @border-radius-base;
 }
@@ -39,6 +40,7 @@
   border-color: transparent;
   border-style: solid;
 }
+// Note: Deprecated .top-left, .top-right, .bottom-left, and .bottom-right as of v3.3.1
 .tooltip {
   &.top .tooltip-arrow {
     bottom: 0;
@@ -49,13 +51,15 @@
   }
   &.top-left .tooltip-arrow {
     bottom: 0;
-    left: @tooltip-arrow-width;
+    right: @tooltip-arrow-width;
+    margin-bottom: -@tooltip-arrow-width;
     border-width: @tooltip-arrow-width @tooltip-arrow-width 0;
     border-top-color: @tooltip-arrow-color;
   }
   &.top-right .tooltip-arrow {
     bottom: 0;
-    right: @tooltip-arrow-width;
+    left: @tooltip-arrow-width;
+    margin-bottom: -@tooltip-arrow-width;
     border-width: @tooltip-arrow-width @tooltip-arrow-width 0;
     border-top-color: @tooltip-arrow-color;
   }
@@ -82,13 +86,15 @@
   }
   &.bottom-left .tooltip-arrow {
     top: 0;
-    left: @tooltip-arrow-width;
+    right: @tooltip-arrow-width;
+    margin-top: -@tooltip-arrow-width;
     border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;
     border-bottom-color: @tooltip-arrow-color;
   }
   &.bottom-right .tooltip-arrow {
     top: 0;
-    right: @tooltip-arrow-width;
+    left: @tooltip-arrow-width;
+    margin-top: -@tooltip-arrow-width;
     border-width: 0 @tooltip-arrow-width @tooltip-arrow-width;
     border-bottom-color: @tooltip-arrow-color;
   }
diff --git a/resources/themes/_common/less/bootstrap/type.less b/resources/themes/_common/less/bootstrap/type.less
index 6ab3c08..68ba601 100644
--- a/resources/themes/_common/less/bootstrap/type.less
+++ b/resources/themes/_common/less/bootstrap/type.less
@@ -238,7 +238,7 @@ abbr[data-original-title] {
 }
 .initialism {
   font-size: 90%;
-  text-transform: uppercase;
+  .text-uppercase();
 }
 
 // Blockquotes
@@ -294,12 +294,6 @@ blockquote.pull-right {
   }
 }
 
-// Quotes
-blockquote:before,
-blockquote:after {
-  content: "";
-}
-
 // Addresses
 address {
   margin-bottom: @line-height-computed;
diff --git a/resources/themes/_common/less/bootstrap/utilities.less b/resources/themes/_common/less/bootstrap/utilities.less
index a260312..7a8ca27 100644
--- a/resources/themes/_common/less/bootstrap/utilities.less
+++ b/resources/themes/_common/less/bootstrap/utilities.less
@@ -44,7 +44,6 @@
 
 .hidden {
   display: none !important;
-  visibility: hidden !important;
 }
 
 
diff --git a/resources/themes/_common/less/bootstrap/variables.less b/resources/themes/_common/less/bootstrap/variables.less
index 9670a90..c1861a8 100644
--- a/resources/themes/_common/less/bootstrap/variables.less
+++ b/resources/themes/_common/less/bootstrap/variables.less
@@ -14,7 +14,7 @@
 @gray-light:             lighten(@gray-base, 46.7%); // #777
 @gray-lighter:           lighten(@gray-base, 93.5%); // #eee
 
-@brand-primary:         #428bca;
+@brand-primary:         darken(#428bca, 6.5%); // #337ab7
 @brand-success:         #5cb85c;
 @brand-info:            #5bc0de;
 @brand-warning:         #f0ad4e;
@@ -34,6 +34,8 @@
 @link-color:            @brand-primary;
 //** Link hover color set via `darken()` function.
 @link-hover-color:      darken(@link-color, 15%);
+//** Link hover decoration.
+@link-hover-decoration: underline;
 
 
 //== Typography
@@ -97,7 +99,7 @@
 @padding-xs-vertical:       1px;
 @padding-xs-horizontal:     5px;
 
-@line-height-large:         1.33;
+@line-height-large:         1.3333333; // extra decimals for Win 8.1 Chrome
 @line-height-small:         1.5;
 
 @border-radius-base:        4px;
@@ -168,6 +170,11 @@
 
 @btn-link-disabled-color:        @gray-light;
 
+// Allows for customizing button radius independently from global border radius
+@btn-border-radius-base:         @border-radius-base;
+@btn-border-radius-large:        @border-radius-large;
+@btn-border-radius-small:        @border-radius-small;
+
 
 //== Forms
 //
@@ -182,8 +189,16 @@
 @input-color:                    @gray;
 //** `<input>` border color
 @input-border:                   #ccc;
-//** `<input>` border radius
+
+// TODO: Rename `@input-border-radius` to `@input-border-radius-base` in v4
+//** Default `.form-control` border radius
+// This has no effect on `<select>`s in some browsers, due to the limited stylability of `<select>`s in CSS.
 @input-border-radius:            @border-radius-base;
+//** Large `.form-control` border radius
+@input-border-radius-large:      @border-radius-large;
+//** Small `.form-control` border radius
+@input-border-radius-small:      @border-radius-small;
+
 //** Border color for inputs on focus
 @input-border-focus:             #66afe9;
 
@@ -197,6 +212,9 @@
 //** Small `.form-control` height
 @input-height-small:             (floor(@font-size-small * @line-height-small) + (@padding-small-vertical * 2) + 2);
 
+//** `.form-group` margin
+@form-group-margin-bottom:       15px;
+
 @legend-color:                   @gray-dark;
 @legend-border-color:            #e5e5e5;
 
@@ -205,6 +223,9 @@
 //** Border color for textual input addons
 @input-group-addon-border-color: @input-border;
 
+//** Disabled cursor for form controls and buttons.
+@cursor-disabled:                not-allowed;
+
 
 //== Dropdowns
 //
@@ -316,17 +337,17 @@
 //## Define the maximum width of `.container` for different screen sizes.
 
 // Small screen / tablet
-@container-tablet:             ((720px + @grid-gutter-width));
+@container-tablet:             (720px + @grid-gutter-width);
 //** For `@screen-sm-min` and up.
 @container-sm:                 @container-tablet;
 
 // Medium screen / desktop
-@container-desktop:            ((940px + @grid-gutter-width));
+@container-desktop:            (940px + @grid-gutter-width);
 //** For `@screen-md-min` and up.
 @container-md:                 @container-desktop;
 
 // Large screen / wide desktop
-@container-large-desktop:      ((1140px + @grid-gutter-width));
+@container-large-desktop:      (1140px + @grid-gutter-width);
 //** For `@screen-lg-min` and up.
 @container-lg:                 @container-large-desktop;
 
@@ -367,14 +388,14 @@
 @navbar-default-toggle-border-color:       #ddd;
 
 
-// Inverted navbar
+//=== Inverted navbar
 // Reset inverted navbar basics
-@navbar-inverse-color:                      lighten(@gray-light, 12%);
+@navbar-inverse-color:                      lighten(@gray-light, 15%);
 @navbar-inverse-bg:                         #222;
 @navbar-inverse-border:                     darken(@navbar-inverse-bg, 10%);
 
 // Inverted navbar links
-@navbar-inverse-link-color:                 @gray-light;
+@navbar-inverse-link-color:                 lighten(@gray-light, 15%);
 @navbar-inverse-link-hover-color:           #fff;
 @navbar-inverse-link-hover-bg:              transparent;
 @navbar-inverse-link-active-color:          @navbar-inverse-link-hover-color;
@@ -404,8 +425,6 @@
 @nav-disabled-link-color:                   @gray-light;
 @nav-disabled-link-hover-color:             @gray-light;
 
-@nav-open-link-hover-color:                 #fff;
-
 //== Tabs
 @nav-tabs-border-color:                     #ddd;
 
@@ -470,6 +489,7 @@
 @jumbotron-bg:                   @gray-lighter;
 @jumbotron-heading-color:        inherit;
 @jumbotron-font-size:            ceil((@font-size-base * 1.5));
+@jumbotron-heading-font-size:    ceil((@font-size-base * 4.5));
 
 
 //== Form states and alerts
@@ -530,7 +550,7 @@
 //** Popover arrow width
 @popover-arrow-width:                 10px;
 //** Popover arrow color
-@popover-arrow-color:                 #fff;
+@popover-arrow-color:                 @popover-bg;
 
 //** Popover outer arrow width
 @popover-arrow-outer-width:           (@popover-arrow-width + 1);
@@ -629,6 +649,8 @@
 @progress-bg:                 #f5f5f5;
 //** Progress bar text color
 @progress-bar-color:          #fff;
+//** Variable for setting rounded corners on progress bar.
+@progress-border-radius:      @border-radius-base;
 
 //** Default progress bar color
 @progress-bar-bg:             @brand-primary;
@@ -843,5 +865,3 @@
 @dl-horizontal-offset:        @component-offset-horizontal;
 //** Horizontal line color.
 @hr-border:                   @gray-lighter;
-
-