.homerollover {display: block; width: 285px; height: 190px; margin-bottom: 5px; position: relative;}
.homerollover img {display: block;}
.homerollover span {display: block; width: 285px; height: 190px; position: absolute; top: 0; left: 0; background: #000 url(http://www.lawsonphotography.co.uk/Blog/wp-content/uploads/rollover/viewgalleryoverlay.png) no-repeat center center;}