1 files changed, 49 insertions, 23 deletions

diff --git a/less/mixins.less b/less/mixins.less
index b5beaddf2..66026f52a 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -147,17 +147,17 @@
 // Transformations
 .rotate(@degrees) {
   -webkit-transform: rotate(@degrees);
-      -ms-transform: rotate(@degrees); // IE9+
+      -ms-transform: rotate(@degrees); // IE9 only
           transform: rotate(@degrees);
 }
 .scale(@ratio; @ratio-y...) {
   -webkit-transform: scale(@ratio, @ratio-y);
-      -ms-transform: scale(@ratio, @ratio-y); // IE9+
+      -ms-transform: scale(@ratio, @ratio-y); // IE9 only
           transform: scale(@ratio, @ratio-y);
 }
 .translate(@x; @y) {
   -webkit-transform: translate(@x, @y);
-      -ms-transform: translate(@x, @y); // IE9+
+      -ms-transform: translate(@x, @y); // IE9 only
           transform: translate(@x, @y);
 }
 .skew(@x; @y) {
@@ -172,12 +172,12 @@
 
 .rotateX(@degrees) {
   -webkit-transform: rotateX(@degrees);
-      -ms-transform: rotateX(@degrees); // IE9+
+      -ms-transform: rotateX(@degrees); // IE9 only
           transform: rotateX(@degrees);
 }
 .rotateY(@degrees) {
   -webkit-transform: rotateY(@degrees);
-      -ms-transform: rotateY(@degrees); // IE9+
+      -ms-transform: rotateY(@degrees); // IE9 only
           transform: rotateY(@degrees);
 }
 .perspective(@perspective) {
@@ -193,6 +193,7 @@
 .transform-origin(@origin) {
   -webkit-transform-origin: @origin;
      -moz-transform-origin: @origin;
+      -ms-transform-origin: @origin; // IE9 only
           transform-origin: @origin;
 }
 
@@ -201,6 +202,30 @@
   -webkit-animation: @animation;
           animation: @animation;
 }
+.animation-name(@name) {
+  -webkit-animation-name: @name;
+          animation-name: @name;
+}
+.animation-duration(@duration) {
+  -webkit-animation-duration: @duration;
+          animation-duration: @duration;
+}
+.animation-timing-function(@timing-function) {
+  -webkit-animation-timing-function: @timing-function;
+          animation-timing-function: @timing-function;
+}
+.animation-delay(@delay) {
+  -webkit-animation-delay: @delay;
+          animation-delay: @delay;
+}
+.animation-iteration-count(@iteration-count) {
+  -webkit-animation-iteration-count: @iteration-count;
+          animation-iteration-count: @iteration-count;
+}
+.animation-direction(@direction) {
+  -webkit-animation-direction: @direction;
+          animation-direction: @direction;
+}
 
 // Backface visibility
 // Prevent browsers from flickering when using CSS 3D transforms.
@@ -353,7 +378,7 @@
 //
 // Keep images from scaling beyond the width of their parents.
 
-.img-responsive(@display: block;) {
+.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
@@ -613,30 +638,39 @@
   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);
 }
+.make-xs-column-offset(@columns) {
+  @media (min-width: @screen-xs-min) {
+    margin-left: percentage((@columns / @grid-columns));
+  }
+}
+.make-xs-column-push(@columns) {
+  @media (min-width: @screen-xs-min) {
+    left: percentage((@columns / @grid-columns));
+  }
+}
+.make-xs-column-pull(@columns) {
+  @media (min-width: @screen-xs-min) {
+    right: percentage((@columns / @grid-columns));
+  }
+}
+
 
 // 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));
@@ -653,23 +687,19 @@
   }
 }
 
+
 // 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));
@@ -686,23 +716,19 @@
   }
 }
 
+
 // 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));