“CSS Layout Techniques: for fun and profit” is an excellent
page. You'll find easy to follow instructions to build 2, 3, 4 column page
designs and more.
The web designer's blog called “A List Apart” has some
dead brill stylesheet HOWTOs.
Cutting edge design with style sheets. Check out the “complexspiral”
link and salivate! This definitely works best in Netscape version 6.2 or 7 or Mozilla
Four short articles from Netscape Tools for Web developers — Consistent List Indentation, Defining Cross Browser Tooltips, Styling Abbreviations, Giving Cursor a Hand — which could be useful.