CSS is probably the single most important thing to happen to page authoring.
- The css Zen Garden
- Changes everything once you see this site, look at ten or so examples, and realize the the HTML page is the same for all of them.
- Listamatic
- Some off the hook examples of formating lists. Once seen, lists will seriously take the right place again. The site also features an excellent tutorial on selectors.
- Web Style Sheets CSS tips & tricks
- Bert Bos with the W3C has some great examples and some of the pages have interesting links
- The 10 Best Resources for CSS
- Mark Daoust lists many favorites
- A List Apart
- This site has many interesting CSS articles
- Ten CSS tricks you may not know
- CSS article with self-explanatory title
- Mountaintop Corners