Authoritative information from the W3C. Provides complete specifications, lists of CSS browsers and authoring tools, and information about learning CSS.

News, announcements, and opportunities for discussion from the group working on the next CSS specification.

W3C mini-site to mark the 10-year anniversary of the first published CSS recommendation. Includes time-line, hall of fame, essays, and a gallery.

List of books on CSS from the W3C's CSS page.

"Howcome" on CSS support in MS IE 3.0.

Ongoing project exploring shared style sheets over the Web. Includes several layout designs and details on implementation.

Guidance on the basics of adding simple CSS to a site. Also includes a HEX/RBG color converter and color chart.

World Wide Web Consortium's CSS Page that includes links to standards and other reference pages. Also includes news on CSS happenings.

The official Cascading Style Sheets 2 specification, presented by the World Wide Web Consortium. A comprehensive standards document outlining what CSS2 is with definitions and explanations of all its properties and terminology.

World Wide Web Consortium's CSS Level 1 recommendation.