Dao of Web Design
http://www.alistapart.com/articles/dao/
Gives users the opportunity to experience an alternative way to finding a medium for Web design and maintenance.
Working with CSS
developer.apple.com/internet/css/introcsslayout.html
This site explains why CSS is preferable to using tables for layout, and it shows you some CSS layout techniques using a complete re-coding of the Apple Internet Developer home page as an example.
Better Living Through XHTML
www.alistapart.com/stories/betterliving/
If you want your site to work well in today's browsers and non-traditional devices, it's a good idea to author new sites in XHTML, and to convert old pages to XHTML.
