CSS Techniques
CSS: Flowing a List Across Multiple Columns
If you want to split a single list across multiple columns, divide
them into different classes. This short tutorial should make it
relatively clear.
http://novitskisoftware.com/test/multiplecolumnsEms.html
Ten CSS tricks you may not know
http://www.evolt.org/article/Ten_CSS_tricks_you_may_not_know/17/60369/
CSS Hacks & Techniques
http://www.wellstyled.com/archive.html
Writing Lean CSS
http://www.orderedlist.com/articles/writing_lean_css