There are many css-samples for styling color of links.
html5boilerplate.com offers such css code for link:
a { color: #00e; } a:visited { color: #551
If you want to be sure that you are styling links (and not the anchors which are not links), you should use a:link instead of a.
a:link
a
And you could add a:active at the end. Here you have a tutorial.
a:active