ul.tbs {
       text-align: center;
       border-bottom: 1px solid gray;
       padding: 2px;
       white-space: nowrap;
       }
.tbs li {
       background: #eeeeee;
       margin-left: 0;
       margin-bottom: 0;
       padding: 2px 15px 5px;
       border: 1px solid gray;
       display: inline;
       }
li.current {
       background: white;
       border-bottom: 1px solid white;
       }
div.item {
       display: block;
       }

div.item.hidden {
       display: none;
       }