On the iPad and iPhone, using CSS transformations in Mobile Safari often results in elements with ugly jagged or stair stepped edges.

In most cases it’s easy to get nice anti-aliased edges by wrapping whatever you want to transform in an additional element that adds a few pixels padding:

Have you ever wanted to do if-statements in your CSS for the availability of cool features like border-radius? Well, with Modernizr you can accomplish just that! The syntax is very intuitive, too.

How to divide content over multiple columns, while keeping layout/design and content separated.