.clearfix:after {
	clear: both;
	display: table;
	content: '';
}

#body {
	margin: 0 auto;
	width: 958px;
}

#head>div {
	border: 1px lightgray solid;
	height: 100px;
	float: left;
}

#head>div:first-child{
	width: 150px;
	margin-right: 10px;
}

#head>div:last-child{
	width: 749px;
}

#intro>div {
	border: 1px lightgray solid;
	box-shadow: 2px 2px 2px #eee;
	height: 200px;
	width: 296px;
	float: left;
	margin-top: 10px;
	margin-right: 10px;
}

#foot {
	border: 1px lightgray solid;
	height: 100px;
	width: 913px;
	margin-top: 10px;
	box-shadow: 2px 2px 2px #eee;
}