CSS Tutorial

Other resources

Style Master CSS tutorial

A very good place to get a broad overview of what CSS is and what you can do with it.

CSS Help pile

A great collection of links to CSS tutorials, ranging from moderate to advanced level

40 free CSS layouts for you to use

Multi-column, fixed or liquid layout, every combination is here, tried & tested.

Yahoo! UI Library: Grids CSS

(Not for beginners) Grids CSS is a suite of seven web page templates and the ability to nest grids of one to four columns within the content area of those templates. Together, the combined template and grid system enable you to implement over 100 different CSS layouts using only 1.82KB of includes.