CSS Hyperlink Element Pseudo-classes

There are a number of fine places on the web to go to get more information about CSS. The following annotated list contains a few of the better ones:

w3schools has tutorials on a wide range of web mastering topics. The CSS Tutorial is a good place to start for further study of this topic.
The CSS Zen Garden is the place to visit if you want to see what web masters and artists can do with CSS to make a website beautiful.
CSS Properties provides and excellent, easy to navigate listing of CSS properties and the values which they take.
Color Scheme Designer provides a handy twist on a color wheel by using it to generate combinations of colors that will work well together on a web page.