Some of you have been asking for some links that might help you do some specific things so I’ve tried to list them below for you:

http://dynamicdrive.com/ – has codes and examples that you can paste into your code for things like menus, navigation, galleries, slideshows, etc.

http://www.cssdrive.com/ – examples of pure CSS driven sites (they also have tutorials on this site)

http://www.ndesign-studio.com/ – awesome site that has tutorials as well

http://css-tricks.com/video-screencasts/58-html-css-the-very-basics/ – great site in general, but this links specifically is a video tutorial that covers the basics of HTML and CSS (they also have a forum that you can post troubles too for troubleshooting)

http://www.w3schools.com/css/ – helpful CSS tutorials

http://htmldog.com/guides/cssbeginner/ – good tutorials on more CSS

http://www.commarts.com/webpicks – collection of best sites on the web.

And for fun:
http://clientsfromhell.tumblr.com