.mattblacktabs                 {
                                width: 100%;
                                overflow: hidden;
                                border-bottom: 1px solid black;
                               }

.mattblacktabs ul              {
                                margin: 0;
                                padding: 0;
                                padding-left: 10px;
                                font: bold 12px Verdana;
                                list-style-type: none;
                                }

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

.mattblacktabs li a             {
                                 float: left;
                                 display: block;
                                 text-decoration: none;
                                 margin: 0;
                                 padding: 7px 8px;
                                 border-right: 1px solid white;
                                 color: white;
                                 background: #414141;
                                }

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

.mattblacktabs li a:hover, .mattblacktabs li.selected
a{background:black; }