/* Your style */
#ad ul{
  list-style:none;
  width:100%;
  padding:0;
  margin:0;
}

#ad ul li{
  display: inline-block;
  vertical-align: middle;
  width: 200px;
  padding: 15px 5px;
  margin: 0;
  border: 0 solid #000;
  text-align: center;
}

* html #ad  ul li{display:inline; width:100px; zoom:1;}
*:first-child+html #ad  ul li{display:inline; zoom:1;}

#ad li:nth-child(odd) {
  background-color: #fffeee;
}
#ad li:nth-child(even) {
  background-color: #efefef;
}

.small li{
  font-size: 0.8125em;
  line-height: 1.25em;
}