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://www.w3schools.com/css/ – helpful CSS tutorials
And for fun: