.mattblackmenu ul{
margin: 0;
padding: 0;
font: bold 12px arial;
list-style-type: none;
background: #003;
overflow: hidden;
width: 100%;
}

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

.mattblackmenu li a{
float: left;
display: block;
text-decoration: none;
margin: 0;
padding: 6px 30px; /*padding inside each tab*/
border-right: 1px solid #FFF; /*right divider between tabs*/
color: white;
background: #003;
}

.mattblackmenu li a:visited{
color: white;
}

.mattblackmenu li a:hover{
color: white;
background: #F90; /*background of tabs for hover state */
}

.mattblackmenu a.selected{
color: white;
background: #999; /*background of tab with "selected" class assigned to its LI */
}