ul.thumb{float:left;list-style:none;margin:0;padding:0;width:640px;}ul.thumb li{margin:0;padding:0;float:left;position:relative;width:58px;height:77px;}ul.thumb li img{width:53px;height:72px;border:1px solid #ddd;padding:0;background:#f0f0f0;position:absolute;left:0;top:0;-ms-interpolation-mode:bicubic;}ul.thumb li img.hover{border:1px solid #ddd;}