The clip-path property allows you to make complex shapes in CSS by clipping an element to a basic shape (circle, ellipse, polygon, or inset), or to an SVG source.
A handy, search-driven CSS reference for properties and values
Some are silly, but others spark some great ideas.
via @cameronmoll “Hardware accelerated image transitions using CSS3” Beauty plus power. Now to figure out how to implement with a graceful degradation for IE and older browsers without CSS3 support…
Great examples of creating complex backgrounds with CSS, sans images. The focus is on speed, by reducing HTTP requests, while avoiding the large data URI blocks within style sheets.
This is quite possibly the most useful feature of CSS3, but I’ve heard almost nothing about it, and sadly cross-browser support is likely a long way off.
Place test on a path via CSS – one of the last major steps to move beyond using images for fancy text treatments.
Great inline examples.
A very handy tool to generate the rather complex CSS required to generate gradients. This is by far the simplest method that I've seen so far.
“20 Things I Learned About Browsers and the Web” is a short guide for anyone who’s curious about the basics of browsers and the web." The illustrations are great and the implementation (using the canvas tag) is slick.
This is the best breakdown of selectors I've seen. An excellent reference for all Web developers.
The comprehensive list of Internet Explorer's CSS support, broken down by version number. The links to definition for each value is extremely handy.
CSS3 PIE (Progressive Internet Explorer) is an IE behavior that extends it's capabilities by providing support for several CSS3 features such as border-radius, box-shadow, border-image, multiple background images and linear gradients for background images.
A compilation of the more interesting attributes available in CSS3 and how they can be used in modern browsers.