This is an awesome page to go to. I found it a few months ago, then I forgot about it. I was just searching for some cool CSS layouts and I found it again. Take a look at it. It's well worth your time if you're trying to learn CSS.
http://www.csszengarden.com/ (Click on the links on the right side of the page to apply a different CSS sheet to it)
If you look at the source coding for the page, you can see what you can do if you really know CSS.