--- a/static/bootstrap/less/mixins.less	Wed Dec 11 21:51:51 2013 -0800
+++ b/static/bootstrap/less/mixins.less	Thu Dec 12 21:54:04 2013 -0800
@@ -3,96 +3,65 @@
 // --------------------------------------------------
 
 
-// UTILITY MIXINS
-// --------------------------------------------------
+// Utilities
+// -------------------------
 
 // Clearfix
-// --------
-// For clearing floats like a boss h5bp.com/q
-.clearfix {
-  *zoom: 1;
+// Source: http://nicolasgallagher.com/micro-clearfix-hack/
+//
+// For modern browsers
+// 1. The space content is one way to avoid an Opera bug when the
+//    contenteditable attribute is included anywhere else in the document.
+//    Otherwise it causes space to appear at the top and bottom of elements
+//    that are clearfixed.
+// 2. The use of `table` rather than `block` is only necessary if using
+//    `:before` to contain the top-margins of child elements.
+.clearfix() {
   &:before,
   &:after {
-    display: table;
-    content: "";
-    // Fixes Opera/contenteditable bug:
-    // http://nicolasgallagher.com/micro-clearfix-hack/#comment-36952
-    line-height: 0;
+    content: " "; // 1
+    display: table; // 2
   }
   &:after {
     clear: both;
   }
 }
 
-// Webkit-style focus
-// ------------------
+// WebKit-style focus
 .tab-focus() {
   // Default
-  outline: thin dotted #333;
-  // Webkit
+  outline: thin dotted;
+  // WebKit
   outline: 5px auto -webkit-focus-ring-color;
   outline-offset: -2px;
 }
 
 // Center-align a block level element
-// ----------------------------------
 .center-block() {
   display: block;
   margin-left: auto;
   margin-right: auto;
 }
 
-// IE7 inline-block
-// ----------------
-.ie7-inline-block() {
-  *display: inline; /* IE7 inline-block hack */
-  *zoom: 1;
-}
-
-// IE7 likes to collapse whitespace on either side of the inline-block elements.
-// Ems because we're attempting to match the width of a space character. Left
-// version is for form buttons, which typically come after other elements, and
-// right version is for icons, which come before. Applying both is ok, but it will
-// mean that space between those elements will be .6em (~2 space characters) in IE7,
-// instead of the 1 space in other browsers.
-.ie7-restore-left-whitespace() {
-  *margin-left: .3em;
-
-  &:first-child {
-    *margin-left: 0;
-  }
-}
-
-.ie7-restore-right-whitespace() {
-  *margin-right: .3em;
-}
-
 // Sizing shortcuts
-// -------------------------
-.size(@height, @width) {
+.size(@width; @height) {
   width: @width;
   height: @height;
 }
 .square(@size) {
-  .size(@size, @size);
+  .size(@size; @size);
 }
 
 // Placeholder text
-// -------------------------
-.placeholder(@color: @placeholderText) {
-  &:-moz-placeholder {
-    color: @color;
-  }
-  &:-ms-input-placeholder {
-    color: @color;
-  }
-  &::-webkit-input-placeholder {
-    color: @color;
-  }
+.placeholder(@color: @input-color-placeholder) {
+  &:-moz-placeholder            { color: @color; } // Firefox 4-18
+  &::-moz-placeholder           { color: @color;   // Firefox 19+
+                                  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
 }
 
 // Text overflow
-// -------------------------
 // Requires inline-block or block for proper styling
 .text-overflow() {
   overflow: hidden;
@@ -101,99 +70,25 @@
 }
 
 // CSS image replacement
-// -------------------------
+//
+// Heads up! v3 launched with 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()`. Note
+// that we cannot chain the mixins together in Less, so they are repeated.
+//
 // Source: https://github.com/h5bp/html5-boilerplate/commit/aa0396eae757
-.hide-text {
-  font: 0/0 a;
+
+// Deprecated as of v3.0.1 (will be removed in v4)
+.hide-text() {
+  font: ~"0/0" a;
   color: transparent;
   text-shadow: none;
   background-color: transparent;
   border: 0;
 }
-
-
-// FONTS
-// --------------------------------------------------
-
-#font {
-  #family {
-    .serif() {
-      font-family: @serifFontFamily;
-    }
-    .sans-serif() {
-      font-family: @sansFontFamily;
-    }
-    .monospace() {
-      font-family: @monoFontFamily;
-    }
-  }
-  .shorthand(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
-    font-size: @size;
-    font-weight: @weight;
-    line-height: @lineHeight;
-  }
-  .serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
-    #font > #family > .serif;
-    #font > .shorthand(@size, @weight, @lineHeight);
-  }
-  .sans-serif(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
-    #font > #family > .sans-serif;
-    #font > .shorthand(@size, @weight, @lineHeight);
-  }
-  .monospace(@size: @baseFontSize, @weight: normal, @lineHeight: @baseLineHeight) {
-    #font > #family > .monospace;
-    #font > .shorthand(@size, @weight, @lineHeight);
-  }
-}
-
-
-// FORMS
-// --------------------------------------------------
-
-// Block level inputs
-.input-block-level {
-  display: block;
-  width: 100%;
-  min-height: @inputHeight; // Make inputs at least the height of their button counterpart (base line-height + padding + border)
-  .box-sizing(border-box); // Makes inputs behave like true block-level elements
-}
-
-
-
-// Mixin for form field states
-.formFieldState(@textColor: #555, @borderColor: #ccc, @backgroundColor: #f5f5f5) {
-  // Set the text color
-  .control-label,
-  .help-block,
-  .help-inline {
-    color: @textColor;
-  }
-  // Style inputs accordingly
-  .checkbox,
-  .radio,
-  input,
-  select,
-  textarea {
-    color: @textColor;
-  }
-  input,
-  select,
-  textarea {
-    border-color: @borderColor;
-    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
-    &:focus {
-      border-color: darken(@borderColor, 10%);
-      @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@borderColor, 20%);
-      .box-shadow(@shadow);
-    }
-  }
-  // Give a small background color for input-prepend/-append
-  .input-prepend .add-on,
-  .input-append .add-on {
-    color: @textColor;
-    background-color: @backgroundColor;
-    border-color: @textColor;
-  }
+// New mixin to use as of v3.0.1
+.text-hide() {
+  .hide-text();
 }
 
 
@@ -201,144 +96,121 @@
 // CSS3 PROPERTIES
 // --------------------------------------------------
 
-// Border Radius
-.border-radius(@radius) {
-  -webkit-border-radius: @radius;
-     -moz-border-radius: @radius;
-          border-radius: @radius;
-}
-
-// Single Corner Border Radius
-.border-top-left-radius(@radius) {
-  -webkit-border-top-left-radius: @radius;
-      -moz-border-radius-topleft: @radius;
-          border-top-left-radius: @radius;
-}
-.border-top-right-radius(@radius) {
-  -webkit-border-top-right-radius: @radius;
-      -moz-border-radius-topright: @radius;
-          border-top-right-radius: @radius;
-}
-.border-bottom-right-radius(@radius) {
-  -webkit-border-bottom-right-radius: @radius;
-      -moz-border-radius-bottomright: @radius;
-          border-bottom-right-radius: @radius;
-}
-.border-bottom-left-radius(@radius) {
-  -webkit-border-bottom-left-radius: @radius;
-      -moz-border-radius-bottomleft: @radius;
-          border-bottom-left-radius: @radius;
-}
-
-// Single Side Border Radius
+// Single side border-radius
 .border-top-radius(@radius) {
-  .border-top-right-radius(@radius);
-  .border-top-left-radius(@radius);
+  border-top-right-radius: @radius;
+   border-top-left-radius: @radius;
 }
 .border-right-radius(@radius) {
-  .border-top-right-radius(@radius);
-  .border-bottom-right-radius(@radius);
+  border-bottom-right-radius: @radius;
+     border-top-right-radius: @radius;
 }
 .border-bottom-radius(@radius) {
-  .border-bottom-right-radius(@radius);
-  .border-bottom-left-radius(@radius);
+  border-bottom-right-radius: @radius;
+   border-bottom-left-radius: @radius;
 }
 .border-left-radius(@radius) {
-  .border-top-left-radius(@radius);
-  .border-bottom-left-radius(@radius);
+  border-bottom-left-radius: @radius;
+     border-top-left-radius: @radius;
 }
 
 // Drop shadows
 .box-shadow(@shadow) {
-  -webkit-box-shadow: @shadow;
-     -moz-box-shadow: @shadow;
+  -webkit-box-shadow: @shadow; // iOS <4.3 & Android <4.1
           box-shadow: @shadow;
 }
 
 // Transitions
 .transition(@transition) {
   -webkit-transition: @transition;
-     -moz-transition: @transition;
-       -o-transition: @transition;
           transition: @transition;
 }
+.transition-property(@transition-property) {
+  -webkit-transition-property: @transition-property;
+          transition-property: @transition-property;
+}
 .transition-delay(@transition-delay) {
   -webkit-transition-delay: @transition-delay;
-     -moz-transition-delay: @transition-delay;
-       -o-transition-delay: @transition-delay;
           transition-delay: @transition-delay;
 }
 .transition-duration(@transition-duration) {
   -webkit-transition-duration: @transition-duration;
-     -moz-transition-duration: @transition-duration;
-       -o-transition-duration: @transition-duration;
           transition-duration: @transition-duration;
 }
+.transition-transform(@transition) {
+  -webkit-transition: -webkit-transform @transition;
+     -moz-transition: -moz-transform @transition;
+       -o-transition: -o-transform @transition;
+          transition: transform @transition;
+}
 
 // Transformations
 .rotate(@degrees) {
   -webkit-transform: rotate(@degrees);
-     -moz-transform: rotate(@degrees);
-      -ms-transform: rotate(@degrees);
-       -o-transform: rotate(@degrees);
+      -ms-transform: rotate(@degrees); // IE9+
           transform: rotate(@degrees);
 }
 .scale(@ratio) {
   -webkit-transform: scale(@ratio);
-     -moz-transform: scale(@ratio);
-      -ms-transform: scale(@ratio);
-       -o-transform: scale(@ratio);
+      -ms-transform: scale(@ratio); // IE9+
           transform: scale(@ratio);
 }
-.translate(@x, @y) {
+.translate(@x; @y) {
   -webkit-transform: translate(@x, @y);
-     -moz-transform: translate(@x, @y);
-      -ms-transform: translate(@x, @y);
-       -o-transform: translate(@x, @y);
+      -ms-transform: translate(@x, @y); // IE9+
           transform: translate(@x, @y);
 }
-.skew(@x, @y) {
+.skew(@x; @y) {
   -webkit-transform: skew(@x, @y);
-     -moz-transform: skew(@x, @y);
-      -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twitter/bootstrap/issues/4885
-       -o-transform: skew(@x, @y);
+      -ms-transform: skewX(@x) skewY(@y); // See https://github.com/twbs/bootstrap/issues/4885; IE9+
           transform: skew(@x, @y);
-  -webkit-backface-visibility: hidden; // See https://github.com/twitter/bootstrap/issues/5319
 }
-.translate3d(@x, @y, @z) {
+.translate3d(@x; @y; @z) {
   -webkit-transform: translate3d(@x, @y, @z);
-     -moz-transform: translate3d(@x, @y, @z);
-       -o-transform: translate3d(@x, @y, @z);
           transform: translate3d(@x, @y, @z);
 }
 
+.rotateX(@degrees) {
+  -webkit-transform: rotateX(@degrees);
+      -ms-transform: rotateX(@degrees); // IE9+
+          transform: rotateX(@degrees);
+}
+.rotateY(@degrees) {
+  -webkit-transform: rotateY(@degrees);
+      -ms-transform: rotateY(@degrees); // IE9+
+          transform: rotateY(@degrees);
+}
+.perspective(@perspective) {
+  -webkit-perspective: @perspective;
+     -moz-perspective: @perspective;
+          perspective: @perspective;
+}
+.perspective-origin(@perspective) {
+  -webkit-perspective-origin: @perspective;
+     -moz-perspective-origin: @perspective;
+          perspective-origin: @perspective;
+}
+.transform-origin(@origin) {
+  -webkit-transform-origin: @origin;
+     -moz-transform-origin: @origin;
+          transform-origin: @origin;
+}
+
+// Animations
+.animation(@animation) {
+  -webkit-animation: @animation;
+          animation: @animation;
+}
+
 // Backface visibility
 // Prevent browsers from flickering when using CSS 3D transforms.
-// Default value is `visible`, but can be changed to `hidden
-// See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
+// Default value is `visible`, but can be changed to `hidden`
 .backface-visibility(@visibility){
-	-webkit-backface-visibility: @visibility;
-	   -moz-backface-visibility: @visibility;
-	        backface-visibility: @visibility;
+  -webkit-backface-visibility: @visibility;
+     -moz-backface-visibility: @visibility;
+          backface-visibility: @visibility;
 }
 
-// Background clipping
-// Heads up: FF 3.6 and under need "padding" instead of "padding-box"
-.background-clip(@clip) {
-  -webkit-background-clip: @clip;
-     -moz-background-clip: @clip;
-          background-clip: @clip;
-}
-
-// Background sizing
-.background-size(@size) {
-  -webkit-background-size: @size;
-     -moz-background-size: @size;
-       -o-background-size: @size;
-          background-size: @size;
-}
-
-
 // Box sizing
 .box-sizing(@boxmodel) {
   -webkit-box-sizing: @boxmodel;
@@ -351,7 +223,7 @@
 .user-select(@select) {
   -webkit-user-select: @select;
      -moz-user-select: @select;
-      -ms-user-select: @select;
+      -ms-user-select: @select; // IE10+
        -o-user-select: @select;
           user-select: @select;
 }
@@ -363,13 +235,13 @@
 }
 
 // CSS3 Content Columns
-.content-columns(@columnCount, @columnGap: @gridGutterWidth) {
-  -webkit-column-count: @columnCount;
-     -moz-column-count: @columnCount;
-          column-count: @columnCount;
-  -webkit-column-gap: @columnGap;
-     -moz-column-gap: @columnGap;
-          column-gap: @columnGap;
+.content-columns(@column-count; @column-gap: @grid-gutter-width) {
+  -webkit-column-count: @column-count;
+     -moz-column-count: @column-count;
+          column-count: @column-count;
+  -webkit-column-gap: @column-gap;
+     -moz-column-gap: @column-gap;
+          column-gap: @column-gap;
 }
 
 // Optional hyphenation
@@ -377,167 +249,316 @@
   word-wrap: break-word;
   -webkit-hyphens: @mode;
      -moz-hyphens: @mode;
-      -ms-hyphens: @mode;
+      -ms-hyphens: @mode; // IE10+
        -o-hyphens: @mode;
           hyphens: @mode;
 }
 
 // Opacity
 .opacity(@opacity) {
-  opacity: @opacity / 100;
-  filter: ~"alpha(opacity=@{opacity})";
+  opacity: @opacity;
+  // IE8 filter
+  @opacity-ie: (@opacity * 100);
+  filter: ~"alpha(opacity=@{opacity-ie})";
 }
 
 
 
-// BACKGROUNDS
+// GRADIENTS
 // --------------------------------------------------
 
-// Add an alphatransparency value to any background or border color (via Elyse Holladay)
-#translucent {
-  .background(@color: @white, @alpha: 1) {
-    background-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
+#gradient {
+
+  // Horizontal gradient, from left to right
+  //
+  // Creates two color stops, start and end, by specifying a color and position for each color stop.
+  // Color stops are not available in IE9 and below.
+  .horizontal(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
+    background-image: -webkit-linear-gradient(left, color-stop(@start-color @start-percent), color-stop(@end-color @end-percent)); // Safari 5.1-6, Chrome 10+
+    background-image:  linear-gradient(to right, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
+    background-repeat: repeat-x;
+    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down
+  }
+
+  // Vertical gradient, from top to bottom
+  //
+  // Creates two color stops, start and end, by specifying a color and position for each color stop.
+  // Color stops are not available in IE9 and below.
+  .vertical(@start-color: #555; @end-color: #333; @start-percent: 0%; @end-percent: 100%) {
+    background-image: -webkit-linear-gradient(top, @start-color @start-percent, @end-color @end-percent);  // Safari 5.1-6, Chrome 10+
+    background-image: linear-gradient(to bottom, @start-color @start-percent, @end-color @end-percent); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
+    background-repeat: repeat-x;
+    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down
   }
-  .border(@color: @white, @alpha: 1) {
-    border-color: hsla(hue(@color), saturation(@color), lightness(@color), @alpha);
-    .background-clip(padding-box);
+
+  .directional(@start-color: #555; @end-color: #333; @deg: 45deg) {
+    background-repeat: repeat-x;
+    background-image: -webkit-linear-gradient(@deg, @start-color, @end-color); // Safari 5.1-6, Chrome 10+
+    background-image: linear-gradient(@deg, @start-color, @end-color); // Standard, IE10, Firefox 16+, Opera 12.10+, Safari 7+, Chrome 26+
+  }
+  .horizontal-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
+    background-image: -webkit-linear-gradient(left, @start-color, @mid-color @color-stop, @end-color);
+    background-image: linear-gradient(to right, @start-color, @mid-color @color-stop, @end-color);
+    background-repeat: no-repeat;
+    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
+  }
+  .vertical-three-colors(@start-color: #00b3ee; @mid-color: #7a43b6; @color-stop: 50%; @end-color: #c3325f) {
+    background-image: -webkit-linear-gradient(@start-color, @mid-color @color-stop, @end-color);
+    background-image: linear-gradient(@start-color, @mid-color @color-stop, @end-color);
+    background-repeat: no-repeat;
+    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@start-color),argb(@end-color))); // IE9 and down, gets no color-stop at all for proper fallback
+  }
+  .radial(@inner-color: #555; @outer-color: #333) {
+    background-image: -webkit-radial-gradient(circle, @inner-color, @outer-color);
+    background-image: radial-gradient(circle, @inner-color, @outer-color);
+    background-repeat: no-repeat;
+  }
+  .striped(@color: rgba(255,255,255,.15); @angle: 45deg) {
+    background-image: -webkit-linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
+    background-image: linear-gradient(@angle, @color 25%, transparent 25%, transparent 50%, @color 50%, @color 75%, transparent 75%, transparent);
   }
 }
 
-// Gradient Bar Colors for buttons and alerts
-.gradientBar(@primaryColor, @secondaryColor, @textColor: #fff, @textShadow: 0 -1px 0 rgba(0,0,0,.25)) {
-  color: @textColor;
-  text-shadow: @textShadow;
-  #gradient > .vertical(@primaryColor, @secondaryColor);
-  border-color: @secondaryColor @secondaryColor darken(@secondaryColor, 15%);
-  border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
-}
-
-// Gradients
-#gradient {
-  .horizontal(@startColor: #555, @endColor: #333) {
-    background-color: @endColor;
-    background-image: -moz-linear-gradient(left, @startColor, @endColor); // FF 3.6+
-    background-image: -webkit-gradient(linear, 0 0, 100% 0, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
-    background-image: -webkit-linear-gradient(left, @startColor, @endColor); // Safari 5.1+, Chrome 10+
-    background-image: -o-linear-gradient(left, @startColor, @endColor); // Opera 11.10
-    background-image: linear-gradient(to right, @startColor, @endColor); // Standard, IE10
-    background-repeat: repeat-x;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=1)",argb(@startColor),argb(@endColor))); // IE9 and down
-  }
-  .vertical(@startColor: #555, @endColor: #333) {
-    background-color: mix(@startColor, @endColor, 60%);
-    background-image: -moz-linear-gradient(top, @startColor, @endColor); // FF 3.6+
-    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), to(@endColor)); // Safari 4+, Chrome 2+
-    background-image: -webkit-linear-gradient(top, @startColor, @endColor); // Safari 5.1+, Chrome 10+
-    background-image: -o-linear-gradient(top, @startColor, @endColor); // Opera 11.10
-    background-image: linear-gradient(to bottom, @startColor, @endColor); // Standard, IE10
-    background-repeat: repeat-x;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down
-  }
-  .directional(@startColor: #555, @endColor: #333, @deg: 45deg) {
-    background-color: @endColor;
-    background-repeat: repeat-x;
-    background-image: -moz-linear-gradient(@deg, @startColor, @endColor); // FF 3.6+
-    background-image: -webkit-linear-gradient(@deg, @startColor, @endColor); // Safari 5.1+, Chrome 10+
-    background-image: -o-linear-gradient(@deg, @startColor, @endColor); // Opera 11.10
-    background-image: linear-gradient(@deg, @startColor, @endColor); // Standard, IE10
-  }
-  .horizontal-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
-    background-color: mix(@midColor, @endColor, 80%);
-    background-image: -webkit-gradient(left, linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
-    background-image: -webkit-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
-    background-image: -moz-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
-    background-image: -o-linear-gradient(left, @startColor, @midColor @colorStop, @endColor);
-    background-image: linear-gradient(to right, @startColor, @midColor @colorStop, @endColor);
-    background-repeat: no-repeat;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
-  }
-
-  .vertical-three-colors(@startColor: #00b3ee, @midColor: #7a43b6, @colorStop: 50%, @endColor: #c3325f) {
-    background-color: mix(@midColor, @endColor, 80%);
-    background-image: -webkit-gradient(linear, 0 0, 0 100%, from(@startColor), color-stop(@colorStop, @midColor), to(@endColor));
-    background-image: -webkit-linear-gradient(@startColor, @midColor @colorStop, @endColor);
-    background-image: -moz-linear-gradient(top, @startColor, @midColor @colorStop, @endColor);
-    background-image: -o-linear-gradient(@startColor, @midColor @colorStop, @endColor);
-    background-image: linear-gradient(@startColor, @midColor @colorStop, @endColor);
-    background-repeat: no-repeat;
-    filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d', GradientType=0)",argb(@startColor),argb(@endColor))); // IE9 and down, gets no color-stop at all for proper fallback
-  }
-  .radial(@innerColor: #555, @outerColor: #333) {
-    background-color: @outerColor;
-    background-image: -webkit-gradient(radial, center center, 0, center center, 460, from(@innerColor), to(@outerColor));
-    background-image: -webkit-radial-gradient(circle, @innerColor, @outerColor);
-    background-image: -moz-radial-gradient(circle, @innerColor, @outerColor);
-    background-image: -o-radial-gradient(circle, @innerColor, @outerColor);
-    background-repeat: no-repeat;
-  }
-  .striped(@color: #555, @angle: 45deg) {
-    background-color: @color;
-    background-image: -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, rgba(255,255,255,.15)), color-stop(.25, transparent), color-stop(.5, transparent), color-stop(.5, rgba(255,255,255,.15)), color-stop(.75, rgba(255,255,255,.15)), color-stop(.75, transparent), to(transparent));
-    background-image: -webkit-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
-    background-image: -moz-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
-    background-image: -o-linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
-    background-image: linear-gradient(@angle, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
-  }
-}
 // Reset filters for IE
+//
+// When you need to remove a gradient background, do not forget to use this to reset
+// the IE filter for IE9 and below.
 .reset-filter() {
   filter: e(%("progid:DXImageTransform.Microsoft.gradient(enabled = false)"));
 }
 
 
 
+// Retina images
+//
+// Short retina mixin for setting background-image and -size
+
+.img-retina(@file-1x; @file-2x; @width-1x; @height-1x) {
+  background-image: url("@{file-1x}");
+
+  @media
+  only screen and (-webkit-min-device-pixel-ratio: 2),
+  only screen and (   min--moz-device-pixel-ratio: 2),
+  only screen and (     -o-min-device-pixel-ratio: 2/1),
+  only screen and (        min-device-pixel-ratio: 2),
+  only screen and (                min-resolution: 192dpi),
+  only screen and (                min-resolution: 2dppx) {
+    background-image: url("@{file-2x}");
+    background-size: @width-1x @height-1x;
+  }
+}
+
+
+// Responsive image
+//
+// Keep images from scaling beyond the width of their parents.
+
+.img-responsive(@display: block;) {
+  display: @display;
+  max-width: 100%; // Part 1: Set a maximum relative to the parent
+  height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching
+}
+
+
 // COMPONENT MIXINS
 // --------------------------------------------------
 
 // Horizontal dividers
 // -------------------------
 // Dividers (basically an hr) within dropdowns and nav lists
-.nav-divider(@top: #e5e5e5, @bottom: @white) {
-  // IE7 needs a set width since we gave a height. Restricting just
-  // to IE7 to keep the 1px left/right space in other browsers.
-  // It is unclear where IE is getting the extra space that we need
-  // to negative-margin away, but so it goes.
-  *width: 100%;
+.nav-divider(@color: #e5e5e5) {
   height: 1px;
-  margin: ((@baseLineHeight / 2) - 1) 1px; // 8px 1px
-  *margin: -5px 0 5px;
+  margin: ((@line-height-computed / 2) - 1) 0;
   overflow: hidden;
-  background-color: @top;
-  border-bottom: 1px solid @bottom;
+  background-color: @color;
+}
+
+// Panels
+// -------------------------
+.panel-variant(@border; @heading-text-color; @heading-bg-color; @heading-border) {
+  border-color: @border;
+
+  & > .panel-heading {
+    color: @heading-text-color;
+    background-color: @heading-bg-color;
+    border-color: @heading-border;
+
+    + .panel-collapse .panel-body {
+      border-top-color: @border;
+    }
+  }
+  & > .panel-footer {
+    + .panel-collapse .panel-body {
+      border-bottom-color: @border;
+    }
+  }
+}
+
+// Alerts
+// -------------------------
+.alert-variant(@background; @border; @text-color) {
+  background-color: @background;
+  border-color: @border;
+  color: @text-color;
+
+  hr {
+    border-top-color: darken(@border, 5%);
+  }
+  .alert-link {
+    color: darken(@text-color, 10%);
+  }
+}
+
+// Tables
+// -------------------------
+.table-row-variant(@state; @background) {
+  // Exact selectors below required to override `.table-striped` and prevent
+  // inheritance to nested tables.
+  .table {
+    > thead,
+    > tbody,
+    > tfoot {
+      > tr > .@{state},
+      > .@{state} > td,
+      > .@{state} > th {
+        background-color: @background;
+      }
+    }
+  }
+
+  // Hover states for `.table-hover`
+  // Note: this is not available for cells or rows within `thead` or `tfoot`.
+  .table-hover > tbody {
+    > tr > .@{state}:hover,
+    > .@{state}:hover > td,
+    > .@{state}:hover > th {
+      background-color: darken(@background, 5%);
+    }
+  }
 }
 
-// Button backgrounds
-// ------------------
-.buttonBackground(@startColor, @endColor, @textColor: #fff, @textShadow: 0 -1px 0 rgba(0,0,0,.25)) {
-  // gradientBar will set the background to a pleasing blend of these, to support IE<=9
-  .gradientBar(@startColor, @endColor, @textColor, @textShadow);
-  *background-color: @endColor; /* Darken IE7 buttons by default so they stand out more given they won't have borders */
-  .reset-filter();
+// Button variants
+// -------------------------
+// Easily pump out default styles, as well as :hover, :focus, :active,
+// and disabled options for all buttons
+.button-variant(@color; @background; @border) {
+  color: @color;
+  background-color: @background;
+  border-color: @border;
 
-  // in these cases the gradient won't cover the background, so we override
-  &:hover, &:focus, &:active, &.active, &.disabled, &[disabled] {
-    color: @textColor;
-    background-color: @endColor;
-    *background-color: darken(@endColor, 5%);
+  &:hover,
+  &:focus,
+  &:active,
+  &.active,
+  .open .dropdown-toggle& {
+    color: @color;
+    background-color: darken(@background, 8%);
+        border-color: darken(@border, 12%);
+  }
+  &:active,
+  &.active,
+  .open .dropdown-toggle& {
+    background-image: none;
+  }
+  &.disabled,
+  &[disabled],
+  fieldset[disabled] & {
+    &,
+    &:hover,
+    &:focus,
+    &:active,
+    &.active {
+      background-color: @background;
+          border-color: @border;
+    }
   }
 
-  // IE 7 + 8 can't handle box-shadow to show active, so we darken a bit ourselves
-  &:active,
-  &.active {
-    background-color: darken(@endColor, 10%) e("\9");
+  .badge {
+    color: @background;
+    background-color: #fff;
+  }
+}
+
+// Button sizes
+// -------------------------
+.button-size(@padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
+  padding: @padding-vertical @padding-horizontal;
+  font-size: @font-size;
+  line-height: @line-height;
+  border-radius: @border-radius;
+}
+
+// Pagination
+// -------------------------
+.pagination-size(@padding-vertical; @padding-horizontal; @font-size; @border-radius) {
+  > li {
+    > a,
+    > span {
+      padding: @padding-vertical @padding-horizontal;
+      font-size: @font-size;
+    }
+    &:first-child {
+      > a,
+      > span {
+        .border-left-radius(@border-radius);
+      }
+    }
+    &:last-child {
+      > a,
+      > span {
+        .border-right-radius(@border-radius);
+      }
+    }
+  }
+}
+
+// Labels
+// -------------------------
+.label-variant(@color) {
+  background-color: @color;
+  &[href] {
+    &:hover,
+    &:focus {
+      background-color: darken(@color, 10%);
+    }
   }
 }
 
 // Navbar vertical align
 // -------------------------
 // Vertically center elements in the navbar.
-// Example: an element has a height of 30px, so write out `.navbarVerticalAlign(30px);` to calculate the appropriate top margin.
-.navbarVerticalAlign(@elementHeight) {
-  margin-top: (@navbarHeight - @elementHeight) / 2;
+// Example: an element has a height of 30px, so write out `.navbar-vertical-align(30px);` to calculate the appropriate top margin.
+.navbar-vertical-align(@element-height) {
+  margin-top: ((@navbar-height - @element-height) / 2);
+  margin-bottom: ((@navbar-height - @element-height) / 2);
+}
+
+// Progress bars
+// -------------------------
+.progress-bar-variant(@color) {
+  background-color: @color;
+  .progress-striped & {
+    #gradient > .striped();
+  }
 }
 
+// Responsive utilities
+// -------------------------
+// More easily include all the states for responsive-utilities.less.
+.responsive-visibility() {
+  display: block !important;
+  table&  { display: table; }
+  tr&     { display: table-row !important; }
+  th&,
+  td&     { display: table-cell !important; }
+}
+
+.responsive-invisibility() {
+    &,
+  tr&,
+  th&,
+  td& { display: none !important; }
+}
 
 
 // Grid System
@@ -547,156 +568,278 @@
 .container-fixed() {
   margin-right: auto;
   margin-left: auto;
+  padding-left:  (@grid-gutter-width / 2);
+  padding-right: (@grid-gutter-width / 2);
+  .clearfix();
+}
+
+// Creates a wrapper for a series of columns
+.make-row(@gutter: @grid-gutter-width) {
+  margin-left:  (@gutter / -2);
+  margin-right: (@gutter / -2);
   .clearfix();
 }
 
-// Table columns
-.tableColumns(@columnSpan: 1) {
-  float: none; // undo default grid column styles
-  width: ((@gridColumnWidth) * @columnSpan) + (@gridGutterWidth * (@columnSpan - 1)) - 16; // 16 is total padding on left and right of table cells
-  margin-left: 0; // undo default grid column styles
+// Generate the extra small columns
+.make-xs-column(@columns; @gutter: @grid-gutter-width) {
+  position: relative;
+  float: left;
+  width: percentage((@columns / @grid-columns));
+  // Prevent columns from collapsing when empty
+  min-height: 1px;
+  // Inner gutter via padding
+  padding-left:  (@gutter / 2);
+  padding-right: (@gutter / 2);
+}
+
+// Generate the small columns
+.make-sm-column(@columns; @gutter: @grid-gutter-width) {
+  position: relative;
+  // Prevent columns from collapsing when empty
+  min-height: 1px;
+  // Inner gutter via padding
+  padding-left:  (@gutter / 2);
+  padding-right: (@gutter / 2);
+
+  // Calculate width based on number of columns available
+  @media (min-width: @screen-sm-min) {
+    float: left;
+    width: percentage((@columns / @grid-columns));
+  }
+}
+
+// Generate the small column offsets
+.make-sm-column-offset(@columns) {
+  @media (min-width: @screen-sm-min) {
+    margin-left: percentage((@columns / @grid-columns));
+  }
+}
+.make-sm-column-push(@columns) {
+  @media (min-width: @screen-sm-min) {
+    left: percentage((@columns / @grid-columns));
+  }
+}
+.make-sm-column-pull(@columns) {
+  @media (min-width: @screen-sm-min) {
+    right: percentage((@columns / @grid-columns));
+  }
 }
 
-// Make a Grid
-// Use .makeRow and .makeColumn to assign semantic layouts grid system behavior
-.makeRow() {
-  margin-left: @gridGutterWidth * -1;
-  .clearfix();
+// Generate the medium columns
+.make-md-column(@columns; @gutter: @grid-gutter-width) {
+  position: relative;
+  // Prevent columns from collapsing when empty
+  min-height: 1px;
+  // Inner gutter via padding
+  padding-left:  (@gutter / 2);
+  padding-right: (@gutter / 2);
+
+  // Calculate width based on number of columns available
+  @media (min-width: @screen-md-min) {
+    float: left;
+    width: percentage((@columns / @grid-columns));
+  }
+}
+
+// Generate the medium column offsets
+.make-md-column-offset(@columns) {
+  @media (min-width: @screen-md-min) {
+    margin-left: percentage((@columns / @grid-columns));
+  }
+}
+.make-md-column-push(@columns) {
+  @media (min-width: @screen-md) {
+    left: percentage((@columns / @grid-columns));
+  }
+}
+.make-md-column-pull(@columns) {
+  @media (min-width: @screen-md-min) {
+    right: percentage((@columns / @grid-columns));
+  }
 }
-.makeColumn(@columns: 1, @offset: 0) {
-  float: left;
-  margin-left: (@gridColumnWidth * @offset) + (@gridGutterWidth * (@offset - 1)) + (@gridGutterWidth * 2);
-  width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
+
+// Generate the large columns
+.make-lg-column(@columns; @gutter: @grid-gutter-width) {
+  position: relative;
+  // Prevent columns from collapsing when empty
+  min-height: 1px;
+  // Inner gutter via padding
+  padding-left:  (@gutter / 2);
+  padding-right: (@gutter / 2);
+
+  // Calculate width based on number of columns available
+  @media (min-width: @screen-lg-min) {
+    float: left;
+    width: percentage((@columns / @grid-columns));
+  }
+}
+
+// Generate the large column offsets
+.make-lg-column-offset(@columns) {
+  @media (min-width: @screen-lg-min) {
+    margin-left: percentage((@columns / @grid-columns));
+  }
+}
+.make-lg-column-push(@columns) {
+  @media (min-width: @screen-lg-min) {
+    left: percentage((@columns / @grid-columns));
+  }
+}
+.make-lg-column-pull(@columns) {
+  @media (min-width: @screen-lg-min) {
+    right: percentage((@columns / @grid-columns));
+  }
 }
 
-// The Grid
-#grid {
+
+// Framework grid generation
+//
+// Used only by Bootstrap to generate the correct number of grid classes given
+// any value of `@grid-columns`.
 
-  .core (@gridColumnWidth, @gridGutterWidth) {
-
-    .spanX (@index) when (@index > 0) {
-      .span@{index} { .span(@index); }
-      .spanX(@index - 1);
+.make-grid-columns() {
+  // Common styles for all sizes of grid columns, widths 1-12
+  .col(@index) when (@index = 1) { // initial
+    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
+    .col(@index + 1, @item);
+  }
+  .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo
+    @item: ~".col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}";
+    .col(@index + 1, ~"@{list}, @{item}");
+  }
+  .col(@index, @list) when (@index > @grid-columns) { // terminal
+    @{list} {
+      position: relative;
+      // 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);
     }
-    .spanX (0) {}
+  }
+  .col(1); // kickstart it
+}
 
-    .offsetX (@index) when (@index > 0) {
-      .offset@{index} { .offset(@index); }
-      .offsetX(@index - 1);
+.make-grid-columns-float(@class) {
+  .col(@index) when (@index = 1) { // initial
+    @item: ~".col-@{class}-@{index}";
+    .col(@index + 1, @item);
+  }
+  .col(@index, @list) when (@index =< @grid-columns) { // general
+    @item: ~".col-@{class}-@{index}";
+    .col(@index + 1, ~"@{list}, @{item}");
+  }
+  .col(@index, @list) when (@index > @grid-columns) { // terminal
+    @{list} {
+      float: left;
     }
-    .offsetX (0) {}
+  }
+  .col(1); // kickstart it
+}
 
-    .offset (@columns) {
-      margin-left: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns + 1));
-    }
+.calc-grid(@index, @class, @type) when (@type = width) and (@index > 0) {
+  .col-@{class}-@{index} {
+    width: percentage((@index / @grid-columns));
+  }
+}
+.calc-grid(@index, @class, @type) when (@type = push) {
+  .col-@{class}-push-@{index} {
+    left: percentage((@index / @grid-columns));
+  }
+}
+.calc-grid(@index, @class, @type) when (@type = pull) {
+  .col-@{class}-pull-@{index} {
+    right: percentage((@index / @grid-columns));
+  }
+}
+.calc-grid(@index, @class, @type) when (@type = offset) {
+  .col-@{class}-offset-@{index} {
+    margin-left: percentage((@index / @grid-columns));
+  }
+}
 
-    .span (@columns) {
-      width: (@gridColumnWidth * @columns) + (@gridGutterWidth * (@columns - 1));
-    }
+// Basic looping in LESS
+.make-grid(@index, @class, @type) when (@index >= 0) {
+  .calc-grid(@index, @class, @type);
+  // next iteration
+  .make-grid(@index - 1, @class, @type);
+}
 
-    .row {
-      margin-left: @gridGutterWidth * -1;
-      .clearfix();
-    }
+
+// Form validation states
+//
+// Used in forms.less to generate the form validation CSS for warnings, errors,
+// and successes.
 
-    [class*="span"] {
-      float: left;
-      min-height: 1px; // prevent collapsing columns
-      margin-left: @gridGutterWidth;
+.form-control-validation(@text-color: #555; @border-color: #ccc; @background-color: #f5f5f5) {
+  // Color the label and help text
+  .help-block,
+  .control-label,
+  .radio,
+  .checkbox,
+  .radio-inline,
+  .checkbox-inline  {
+    color: @text-color;
+  }
+  // Set the border and box shadow on specific inputs to match
+  .form-control {
+    border-color: @border-color;
+    .box-shadow(inset 0 1px 1px rgba(0,0,0,.075)); // Redeclare so transitions work
+    &:focus {
+      border-color: darken(@border-color, 10%);
+      @shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px lighten(@border-color, 20%);
+      .box-shadow(@shadow);
     }
+  }
+  // Set validation states also for addons
+  .input-group-addon {
+    color: @text-color;
+    border-color: @border-color;
+    background-color: @background-color;
+  }
+}
 
-    // Set the container width, and override it for fixed navbars in media queries
-    .container,
-    .navbar-static-top .container,
-    .navbar-fixed-top .container,
-    .navbar-fixed-bottom .container { .span(@gridColumns); }
+// Form control focus state
+//
+// Generate a customized focus state and for any input with the specified color,
+// which defaults to the `@input-focus-border` 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
+// WebKit's default styles, but applicable to a wider range of browsers. Its
+// usability and accessibility should be taken into account with any change.
+//
+// Example usage: change the default blue border and shadow to white for better
+// contrast against a dark gray background.
 
-    // generate .spanX and .offsetX
-    .spanX (@gridColumns);
-    .offsetX (@gridColumns);
+.form-control-focus(@color: @input-border-focus) {
+  @color-rgba: rgba(red(@color), green(@color), blue(@color), .6);
+  &:focus {
+    border-color: @color;
+    outline: 0;
+    .box-shadow(~"inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px @{color-rgba}");
+  }
+}
 
+// Form control sizing
+//
+// Relative text size, padding, and border-radii changes for form controls. For
+// horizontal sizing, wrap controls in the predefined grid classes. `<select>`
+// element gets special love because it's special, and that's a fact!
+
+.input-size(@input-height; @padding-vertical; @padding-horizontal; @font-size; @line-height; @border-radius) {
+  height: @input-height;
+  padding: @padding-vertical @padding-horizontal;
+  font-size: @font-size;
+  line-height: @line-height;
+  border-radius: @border-radius;
+
+  select& {
+    height: @input-height;
+    line-height: @input-height;
   }
 
-  .fluid (@fluidGridColumnWidth, @fluidGridGutterWidth) {
-
-    .spanX (@index) when (@index > 0) {
-      .span@{index} { .span(@index); }
-      .spanX(@index - 1);
-    }
-    .spanX (0) {}
-
-    .offsetX (@index) when (@index > 0) {
-      .offset@{index} { .offset(@index); }
-      .offset@{index}:first-child { .offsetFirstChild(@index); }
-      .offsetX(@index - 1);
-    }
-    .offsetX (0) {}
-
-    .offset (@columns) {
-      margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) + (@fluidGridGutterWidth*2);
-  	  *margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%) + (@fluidGridGutterWidth*2) - (.5 / @gridRowWidth * 100 * 1%);
-    }
-
-    .offsetFirstChild (@columns) {
-      margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) + (@fluidGridGutterWidth);
-      *margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%) + @fluidGridGutterWidth - (.5 / @gridRowWidth * 100 * 1%);
-    }
-
-    .span (@columns) {
-      width: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1));
-      *width: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%);
-    }
-
-    .row-fluid {
-      width: 100%;
-      .clearfix();
-      [class*="span"] {
-        .input-block-level();
-        float: left;
-        margin-left: @fluidGridGutterWidth;
-        *margin-left: @fluidGridGutterWidth - (.5 / @gridRowWidth * 100 * 1%);
-      }
-      [class*="span"]:first-child {
-        margin-left: 0;
-      }
-
-      // Space grid-sized controls properly if multiple per line
-      .controls-row [class*="span"] + [class*="span"] {
-        margin-left: @fluidGridGutterWidth;
-      }
-
-      // generate .spanX and .offsetX
-      .spanX (@gridColumns);
-      .offsetX (@gridColumns);
-    }
-
-  }
-
-  .input(@gridColumnWidth, @gridGutterWidth) {
-
-    .spanX (@index) when (@index > 0) {
-      input.span@{index}, textarea.span@{index}, .uneditable-input.span@{index} { .span(@index); }
-      .spanX(@index - 1);
-    }
-    .spanX (0) {}
-
-    .span(@columns) {
-      width: ((@gridColumnWidth) * @columns) + (@gridGutterWidth * (@columns - 1)) - 14;
-    }
-
-    input,
-    textarea,
-    .uneditable-input {
-      margin-left: 0; // override margin-left from core grid system
-    }
-
-    // Space grid-sized controls properly if multiple per line
-    .controls-row [class*="span"] + [class*="span"] {
-      margin-left: @gridGutterWidth;
-    }
-
-    // generate .spanX
-    .spanX (@gridColumns);
-
+  textarea& {
+    height: auto;
   }
 }