It's been a quite week in CSS but here are a few interesting links to read in your coffee break.
A collection of CSS hover effects
DevDocs combines multiple API documentations in a fast, organized, and searchable interface.
Some CSS demos using data attributes and pseudo-elements
CSS Tricks supports box-sizing
Not specifically CSS but an interesting article on when to stop fiddling around with minor details.
The humble border radius by Lea Verou. No new but certainly worth another look.
You can also view a list of previous posts here.