#category-details .images {
  width: 660px;
  list-style: none;
  margin: 2.5em auto 0 auto;
  padding: 0;
  overflow: hidden;
  display: inline-block;
}
#category-details .images {
  display: block;
}
#category-details .images li {
  float: left;
  margin: 0 15px 15px 0;
  background: url(/img/shadow-image-128-bg.gif) no-repeat;
  padding: 11px;
}
#category-details .images li img {
  display: block;
}