#tabs { font-family: Verdana, sans-serif; font-size: 14px; }
#tabs li {
    list-style: none;
    float: left;
    width: 150px;
    height: 35px;
    margin: 0 5px;
}
#tabs li a {
    background-color: #dedede;
    color: #222;
    font-weight: bold;
    text-decoration: none;
    width: 150px;
    height: 35px;
    display: block;
    float: left;
    line-height: 35px;
    text-align: center;
}
#tabs li a:hover,
#tabs li a:active { background-color: #ededed; }

div.content {
    color: #222;
    font-family: Verdana;
    font-size: 12px;
    background-color: #efefef;
    padding: 25px;
    width: 600px;
    height: 350px;
    line-height: 22px;
}

#container { clear: both; height: 400px; overflow: hidden; }