用CSS来控制网页背景
http://www.5250.com/txt/web2/589958.html
CSS实用教程(三)
http://www.5250.com/txt/web2/589970.html
Div+CSS布局入门教程(一)
http://www.tblog.com.cn/article.asp?id=283
layoutgala
http://www.fu2k.org/alex/css/onetruelayout/example/interactive
css布局在线交互制作
http://blog.html.it/layoutgala/
Learn everything you ever wanted to know about the basics of CSS
http://www.cssbasics.com/