body, html{
	/*background:#ddf;*/
	background:#ddd;
	padding:0;
	margin:0;
	text-align:center;
	/*overflow:hidden;*/
	height:100%;
}
#mainContainer{
	position:relative;
}
.menu{
	color:#766;
	width:600px;
	margin:100px auto 0 auto;
	padding:0;
	font:28px sans;
	position:relative;
}
.menu div{
	position:absolute;
	width: 150px;
	height:150px;
	background:white;
	border:4px solid #ccc;
	line-height:150px;
	cursor:pointer;
}