diff --git a/css.html b/css.html
index 83e0a70933..4edcc3a613 100644
--- a/css.html
+++ b/css.html
@@ -2996,6 +2996,39 @@ a {
       -ms-transform-origin: @origin; // IE9 only
           transform-origin: @origin;
 }
+{% endhighlight %}
+
+    <h3 id="mixins-animations">Animations</h3>
+    <p>A single mixin for using all CSS3's animation properties in one declarations and other mixins for individual properties.</p>
+{% highlight css %}
+.animation(@animation) {
+  -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;
+}
 {% endhighlight %}
 
     <h3 id="mixins-opacity">Opacity</h3>