.gallery { }
.gallery ul { margin:0; padding:0; }
.gallery ul li { display:inline; float:none; height:auto; }
.gallery ul li a img{ background-image:none; margin:5px; padding:2px; position:relative; border:1px solid #5BC236; float:left; display:block; width:100px; height:75px; background-color:#fff; }
.gallery ul li a:hover img{ background:#ddd; z-index:2; display:block; border:1px solid #5BC236;}