"In response to a recent post I did on free online tutorials several readers expressed plans to learn more about doing Cascading Style Sheets (CSS). In my experience, many web workers who are very well versed in HTML and XHTML haven't familiarized themselves with CSS, which is a shame because it can really help enrich and extend sites and blogs. In this post, I'll describe how you can get up to speed with CSS for free." 

Read the full article at http://webworkerdaily.com/2008/02/05/cascading-style-sheets-master-them-quickly-and-for-free/