ul.thumb {
	list-style: none;
	margin: 0; 
	padding: 4px 0px 0px 40px;
}
ul.thumb li {
	margin: 0; 
	padding: 0px 12px;
	float: left;
	position: relative;
	width: 110px;
	height: 110px;
}
ul.thumb li img {
	width: 100px; height: 100px;
	border: 1px solid #ffffff;
	padding: 5px;
	background: #ffffff;
	position: absolute;
	left: 0; top: 0;
	-ms-interpolation-mode: bicubic; 
}
ul.thumb li img.hover {
	background:url(http://www.scomp.pl/images/offert/bg.png) no-repeat center center;
	border: none;
}