.mattblackmenu ul{
margin: 0;
padding: 0;
font-family: "Trebuchet MS", Trebuchet, Verdana, Arial, sans-serif;
color:#510000;
font-size:10pt;
font-weight:bold;
list-style-type: none;
border-bottom: 0px solid #510000;
overflow: hidden;
width: 100%;
}

.mattblackmenu li{
display: inline;
margin: 0;
}

.mattblackmenu li a{
float: left;
display: block;
text-decoration: none;
margin: 0;
padding: 6px 8px; /*padding inside each tab*/
border-right: 1px solid #510000; /*right divider between tabs*/
color: #510000;
}

.mattblackmenu li a:visited{
background: #510000; 
color: white;
}

.mattblackmenu li a:hover{
background: #510000; 
color: white;/*background of tabs for hover state */
}
.mattblackmenu li a:ative{
background: #510000; 
color: white;/*background of tabs for hover state */
}

.mattblackmenu a.selected{
background: #510000; 
color: white;/*background of tab with "selected" class assigned to its LI */
}