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:

http://www.w3schools.com
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.
http://www.csszengarden.com
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.
http://htmlhelp.com/reference/css/properties.html
CSS Properties provides and excellent, easy to navigate listing of CSS properties and the values which they take.
http://colorschemedesigner.com
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.