*{
  margin:0;
  padding:0;
  list-style-type:none;
}
  div#container{
  margin:10px auto;
  width:500px;
}
ul.tab li{
  float:left;
  padding:4px 10px;
  cursor:pointer;
  background:#DDDDDD;
  border:1px solid #999999;
  margin-right:1px;
  position:relative;
  top:1px;
}
ul.tab li.selected{
  border-bottom:1px solid #EEEEEE;
  background:#EEEEEE;
}
ul.panel li{
  clear:both;
  background:#EEEEEE;
  border:1px solid #999999;
  padding:10px;
}