to make css links you can use this example:

<style type="text/css">
<!--
a:link, a:visited, a:active {
text-decoration: underline;
}
-->
</style>


here is one with a named customed

a.site_url, a.site_url:active, a.site_url:link, a.site_url:visited {
text-transform: uppercase;
font-weight: bold;
text-decoration: none;
padding: 5px 10px;
color: #990000;
}