.crop {
	position: absolute;
	top: 160px;
	height: 480px;
	width: 450px;
	overflow: hidden;
}

.wrap {
	height: 480px;
	width:2400px;
	display:block;
}

.item {
	float:left;
	display: block;
	height: 480px;
	width: 450px;
}

.small-item 
{
	float:left;
	display: block;
	height: 240px;
	width: 450px;
}