.showcase {
	position: relative;
	width: 500px;
	height: 170px;
}
		
.showcase ul {
	list-style-type: none;
}

.showcase li {
	width: 170px;
	height: 170px;
	float: left;
	border: 1px solid white;
	font-size: 12px;
}

.showcase li img {
	width: 100%;
	height: 100%;	
}