Computing/CSS

Guides

 * CSS from the ground up
 * Guide to Cascading Style Sheets - light intro
 * css-discuss Wiki - advanced
 * CSS panic guide
 * Web Developer's Handbook - links

Reference

 * Cascading Style Sheets, Level 2 W3C Recommendation
 * CSS2 Reference @ W3Schools
 * CSS Properties @ HTML Dog
 * CSS Cheat Sheet
 * NCDesign Style Sheet Guide
 * CSS attributes in IE

Recipes

 * Simple CSS recipes for interesting effects
 * Horizontal menu
 * Tables or CSS: Choosing a layout
 * The Layout Reservoir - columns and menus
 * Containing Floats from Complex Spiral Consulting
 * CSS Layout Techniques
 * A List Apart - layout techniques, tips, and tricks
 * Floating, selectors and lists tutorial
 * Box model
 * Box Lessons
 * Box model hack
 * Box model @ W3C
 * Position Is Everything - browser bugs
 * Quirksmode - for all your browser quirks
 * Advanced CSS Ornamentation

Design

 * css/edge - ideas for advanced CSS
 * css Zen Garden
 * CSS Beauty

Miscellaneous

 * The W3C CSS Validation Service
 * Editcss Firefox extention allows to edit and modify currently loaded stylesheets
 * CSS in Perl
 * CSS10: Ten Year Anniversary of Cascading Style Sheets (CSS)