A good summary of new CSS support in Firefox 3, including new colour-space keywords, block rendering modes, new constants for the min-width/height directives, and more.

A most-excellent calendar in CSS, based on a OL.

A clever way to space things equally using CSS.

A 100% height Layout Using CSS by Dave Woods, useful for forcing columns to fill the browser window.

Examples of declarative CSS transitions and animations, which are available in recent versions of Safari. Many of the Scriptaculous features are more elegant using this approach.

How about a way to draw diagrams with CSS? It’s an interesting tangent, and it even uses sensible HTML. The approach is a good reminder that many things are possible with CSS and HTML.

An excellent CSS 2.1 reference (thanks John).

A List Apart dissects absolution positioning in their usual, concise way.

Some details on CSS-friendly elements in Safari 3.

The CSS3 test site, including examples of some of the new CSS3 selectors.