Dreamweaver has some good stuff in it for using CSS. Hmm. I have some links here that could help you out.

http://www.spoono.com/csst/
http://www.tutorialized.com/tutorials/HTML/CSS/1
http://www.invano.com/?html
http://www.htmlgoodies.com/beyond/css.html
http://www.purephotoshop.com/browse....%20and%20Xhtml

Those are some good sites. Also, I would recommend using one of Dreamweaver's CSS template and looking through their code and seeing what everything does. That really helped me.

Good luck!