Merge branch 'master' into pr/12462

Conflicts:
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css

less/button-groups.less

@@ -96,9 +96,9 @@
 //
 // Remix the default button sizing classes into new ones for easier manipulation.
 
-.btn-group-xs > .btn { .btn-xs(); }
-.btn-group-sm > .btn { .btn-sm(); }
-.btn-group-lg > .btn { .btn-lg(); }
+.btn-group-xs > .btn { &:extend(.btn-xs); }
+.btn-group-sm > .btn { &:extend(.btn-sm); }
+.btn-group-lg > .btn { &:extend(.btn-lg); }
 
 
 // Split button dropdowns

less/carousel.less

@@ -21,7 +21,7 @@
     // Account for jankitude on images
     > img,
     > a > img {
-      .img-responsive();
+      &:extend(.img-responsive);
       line-height: 1;
     }
   }

less/forms.less

@@ -133,9 +133,10 @@ output {
   .placeholder();
 
   // Disabled and read-only inputs
-  // Note: HTML5 says that controls under a fieldset > legend:first-child won't
-  // be disabled if the fieldset is disabled. Due to implementation difficulty,
-  // we don't honor that edge case; we style them as disabled anyway.
+  //
+  // HTML5 says that controls under a fieldset > legend:first-child won't be
+  // disabled if the fieldset is disabled. Due to implementation difficulty, we
+  // don't honor that edge case; we style them as disabled anyway.
   &[disabled],
   &[readonly],
   fieldset[disabled] & {
@@ -150,10 +151,24 @@ output {
   }
 }
 
+
+// Search inputs in iOS
+//
+// This overrides the extra rounded corners on search inputs in iOS so that our
+// `.form-control` class can properly style them. Note that this cannot simply
+// be added to `.form-control` as it's not specific enough. For details, see
+// https://github.com/twbs/bootstrap/issues/11586.
+
+input[type="search"] {
+  -webkit-appearance: none;
+}
+
+
 // Special styles for iOS date input
 //
 // In Mobile Safari, date inputs require a pixel line-height that matches the
 // given height of the input.
+
 input[type="date"] {
   line-height: @input-height-base;
 }
@@ -334,6 +349,10 @@ input[type="checkbox"],
       width: auto; // Prevent labels from stacking above inputs in `.form-group`
       vertical-align: middle;
     }
+    // Input groups need that 100% width though
+    .input-group > .form-control {
+      width: 100%;
+    }
 
     .control-label {
       margin-bottom: 0;

less/mixins.less

@@ -54,8 +54,7 @@
 
 // Placeholder text
 .placeholder(@color: @input-color-placeholder) {
-  &:-moz-placeholder            { color: @color; } // Firefox 4-18
-  &::-moz-placeholder           { color: @color;   // Firefox 19+
+  &::-moz-placeholder           { color: @color;   // Firefox
                                   opacity: 1; } // See https://github.com/twbs/bootstrap/pull/11526
   &:-ms-input-placeholder       { color: @color; } // Internet Explorer 10+
   &::-webkit-input-placeholder  { color: @color; } // Safari and Chrome
@@ -253,7 +252,6 @@
   -webkit-user-select: @select;
      -moz-user-select: @select;
       -ms-user-select: @select; // IE10+
-       -o-user-select: @select;
           user-select: @select;
 }
 

less/panels.less

@@ -18,6 +18,37 @@
   &:extend(.clearfix all);
 }
 
+// Optional heading
+.panel-heading {
+  padding: 10px 15px;
+  border-bottom: 1px solid transparent;
+  .border-top-radius((@panel-border-radius - 1));
+
+  > .dropdown .dropdown-toggle {
+    color: inherit;
+  }
+}
+
+// Within heading, strip any `h*` tag of its default margins for spacing.
+.panel-title {
+  margin-top: 0;
+  margin-bottom: 0;
+  font-size: ceil((@font-size-base * 1.125));
+  color: inherit;
+
+  > a {
+    color: inherit;
+  }
+}
+
+// Optional footer (stays gray in every modifier class)
+.panel-footer {
+  padding: 10px 15px;
+  background-color: @panel-footer-bg;
+  border-top: 1px solid @panel-inner-border;
+  .border-bottom-radius((@panel-border-radius - 1));
+}
+
 
 // List groups in panels
 //
@@ -130,12 +161,22 @@
         > td:last-child {
           border-right: 0;
         }
-        &:first-child > th,
-        &:first-child > td {
-          border-top: 0;
+      }
+    }
+    > thead,
+    > tbody {
+      > tr:first-child {
+        > td,
+        > th {
+          border-bottom: 0;
         }
-        &:last-child > th,
-        &:last-child > td {
+      }
+    }
+    > tbody,
+    > tfoot {
+      > tr:last-child {
+        > td,
+        > th {
           border-bottom: 0;
         }
       }
@@ -148,38 +189,6 @@
 }
 
 
-// Optional heading
-.panel-heading {
-  padding: 10px 15px;
-  border-bottom: 1px solid transparent;
-  .border-top-radius((@panel-border-radius - 1));
-
-  > .dropdown .dropdown-toggle {
-    color: inherit;
-  }
-}
-
-// Within heading, strip any `h*` tag of its default margins for spacing.
-.panel-title {
-  margin-top: 0;
-  margin-bottom: 0;
-  font-size: ceil((@font-size-base * 1.125));
-  color: inherit;
-
-  > a {
-    color: inherit;
-  }
-}
-
-// Optional footer (stays gray in every modifier class)
-.panel-footer {
-  padding: 10px 15px;
-  background-color: @panel-footer-bg;
-  border-top: 1px solid @panel-inner-border;
-  .border-bottom-radius((@panel-border-radius - 1));
-}
-
-
 // Collapsable panels (aka, accordion)
 //
 // Wrap a series of panels in `.panel-group` to turn them into an accordion with

less/thumbnails.less

@@ -16,7 +16,7 @@
 
   > img,
   a > img {
-    .img-responsive();
+    &:extend(.img-responsive);
     margin-left: auto;
     margin-right: auto;
   }

less/type.less

@@ -233,7 +233,7 @@ abbr[data-original-title] {
 blockquote {
   padding: (@line-height-computed / 2) @line-height-computed;
   margin: 0 0 @line-height-computed;
-  font-size: (@font-size-base * 1.25);
+  font-size: @blockquote-font-size;
   border-left: 5px solid @blockquote-border-color;
 
   p,

less/variables.less

@@ -301,6 +301,26 @@
 @grid-float-breakpoint-max: (@grid-float-breakpoint - 1);
 
 
+//== Container sizes
+//
+//## Define the maximum width of `.container` for different screen sizes.
+
+// Small screen / tablet
+@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));
+//** For `@screen-md-min` and up.
+@container-md:                 @container-desktop;
+
+// Large screen / wide desktop
+@container-large-desktop:      ((1140px + @grid-gutter-width));
+//** For `@screen-lg-min` and up.
+@container-lg:                 @container-large-desktop;
+
+
 //== Navbar
 //
 //##
@@ -790,6 +810,8 @@
 @headings-small-color:        @gray-light;
 //** Blockquote small color
 @blockquote-small-color:      @gray-light;
+//** Blockquote font size
+@blockquote-font-size:        (@font-size-base * 1.25);
 //** Blockquote border color
 @blockquote-border-color:     @gray-lighter;
 //** Page header border color
@@ -805,23 +827,3 @@
 
 //** Horizontal offset for forms and lists.
 @component-offset-horizontal: 180px;
-
-
-//== Container sizes
-//
-//## Define the maximum width of `.container` for different screen sizes.
-
-// Small screen / tablet
-@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));
-//** For `@screen-md-min` and up.
-@container-md:                 @container-desktop;
-
-// Large screen / wide desktop
-@container-large-desktop:      ((1140px + @grid-gutter-width));
-//** For `@screen-lg-min` and up.
-@container-lg:                 @container-large-desktop;