#gallery {
  padding: 0; 
  margin: 0; 
  list-style-type: none; 
  overflow: hidden; 
  width: 450px; 
  height: 340px; 
  }
#gallery a {
  position: absolute;
  display: block; 
  float: left; 
  text-decoration: none; 
  border: 1px solid #757575; 
  cursor:default;
  z-index: auto;
  }
#gallery a img {
  border: 0;
  z-index: auto;
  }
#gallery a:hover {
  background: #eee; 
  z-index: 1;
  }
#gallery a:hover img {
  z-index: 1;
  }