#MiddleChoice {
    position: relative; /* important */
    overflow: hidden; /* important */
    width: 250px; /* important */
    height: 79px; /* important */
}

* html #MiddleChoice
{
  width: 200px;
  w\idth: 220px;
}

#MiddleChoice_content {margin: 0px;padding: 0px;background-color:#999900;}
.MiddleChoice_item {position: absolute;width:220px;height: 79px;background: #000;text-align: left;}