Allows you to skew an element on the y or x axis using a function as a value for the transform property.
This box is skewed horizontally using CSS3 transforms.
Standard Syntax:
IE10+, Firefox 16+
Vendor Prefix:
IE9+, Firefox 3.5+, Chrome 4+, Safari 3.1+, Opera 10.5+
A Primer on CSS3 Transforms (SitePoint)