Sure it is, and here is an example I pulled directly from the style sheets that come with Threads: <br /> <br />
.onbody A:LINK { <br /> color: ; <br />} <br />.onbody A:VISITED { <br /> color: ; <br />} <br />.onbody A:ACTIVE { <br /> color: ; <br />} <br /> <br />All you have to do is substitute your own class and provide the colors <img src="/forum/images/graemlins/smile.gif" alt="" />