ul.thumbzoom {
 list-style-type: none;
}
ul.thumbzoom li {
 float: left;
 margin: 0 20px 20px 0;
}
ul.thumbzoom a {
 display: block;
 width: 120px;
 height: 90px;
 overflow: hidden;
 position: relative;
 z-index: 1;
}
ul.thumbzoom a img {
 position: absolute;
 top: -70px;
 left: -40px;
}
ul.thumbzoom a:hover {
 overflow: visible;
 z-index: 2;
}
ul.thumbzoom a:hover img {
 width: 320px;
 height: 240px;
}