Custom styles

Source
<link rel="STYLESHEET" type="text/css" href="../../codebase/dhtmlxtabbar.css">
<script  src="../../codebase/dhtmlxcommon.js"></script>
<script  src="../../codebase/dhtmlxtabbar.js"></script>
 
<table width="500px">
    <tr>
        <td>
            <div id="a_tabbar" style="width:100%; height:50px;"/>
        </td> </tr>
</table>
<script>tabbar = new dhtmlXTabBar("a_tabbar", "top");
tabbar.setSkin('dhx_skyblue');
tabbar.setImagePath("../../codebase/imgs/");
tabbar.setCustomStyle("b1", "black", "red", "font-weight:bold !important;");
tabbar.loadXML("../common/config.xml", function() {
    tabbar.setCustomStyle("t2", "green", "red", "font-style:italic;");
    tabbar.setCustomStyle("t3", "blue", "red", "text-decoration:underline;");
});</script>