#gallery {
  padding:0;
  margin:0;
  list-style-type:none;
  overflow:hidden;
  width:600px;
  height:600px;
  border:0px solid #888;

  }
#gallery li {
  float:left;
  }
#gallery li a {
  display:block;
  height:30px;
  width:600px;
  float:left;
  text-decoration:none;
  border-bottom:0px solid #fff;
  cursor:default;
  }
#gallery li a img {
  width:600px;
  height:30px;
  border:0;
  }
#gallery li a:hover {

  height:400px;
  }
#gallery li a:hover img {
  height:400px;
  }