#content {
	background: #efefef;
	padding: 10px;
}
#bottom {
	position: fixed;
}
#pictures {
	position: absolute;
	width: 45%;
	height: 45%;
	left: 22em;
	top: 75px;
}
#intro {
	top: 11px;
	}
.item { 
	float: left;
	width: 25%; 
	height: 30%;
	background-position: center center;
	background-repeat: no-repeat;
	}