#vibetab
{
    margin:5px 0 0 0px;
    height:29px;
    font-weight:bold;
}
#vibetab a
{
    color:white;
    background:url(images/vibetab.gif) 0% 0% no-repeat;
    text-decoration: none;
    padding-left: 6px;
    margin:0;
    height:29px;
    outline:0;
}
#vibetab a span
{
    background: url(mages/vibetab.gif) 100% 0% no-repeat;
    padding: 9px 12px 0 4px;
    height:29px;
    cursor: pointer;
}
#vibetab a, #vibetab a span
{
    display: block;
    float: left;
}
#vibetab a#active_menutopnav
{
    color: black;
    background:url(images/vibetab.gif) 0% 44% no-repeat;
}
#vibetab a#active_menutopnav span
{
    background: url(images/vibetab.gif) 100% 50% no-repeat;
}
#vibetab a:hover
{
    color: white;
    background:url(images/vibetab.gif) 0% 89% no-repeat;
}
#vibetab a:hover span
{
    background: url(images/vibetab.gif) 100% 100% no-repeat;
}

#vibetab ul
{
    list-style: none;
    padding: 0;
    margin: 0;
}
#vibetab li
{
    float: left;
    margin: 0;
}

<div id="vibetab">
    <ul>
    <li><a href="#" id="active_menutopnav"><span>Portal</span></a></li>
    <li><a href="#"><span>Forum</span></a></li>
    <li><a href="#"><span>Article</span></a></li>
    <li><a href="#"><span>Mods</span></a></li>
    <li><a href="#"><span>Styles</span></a></li>
    <li><a href="#"><span>Graphic</span></a></li>
    <li><a href="#"><span>Page 1</span></a></li>
    <li><a href="#"><span>Page 2</span></a></li>
    <li><a href="#"><span>Page 3</span></a></li>
    </ul>
    </div>