.tabs
{
    margin: 0;
    padding: 0;
    list-style: none;
    border-bottom: solid 1px #ccc;
    float: left;
    line-height: 1%;
    width: 100%;
}
.tabs li
{
    float: left;
    border-left: solid 1px #ccc;
    border-top: solid 1px #ccc;
    border-right: solid 1px #ccc;
    display: block;
    padding: 3px 10px;
    margin: 0 8px 0 0;
    background:#eee;
}