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

*{
	font-size: 10pt;
}

#body {
	margin: 0 auto;
	width: 960px;
}

#head {
	border: 1px lightgray solid;
	height: 50px;
	box-shadow: 2px 2px 2px #eee;
	margin-right: 5px;
	margin-left: 5px;
}

#intro, #banner, #contents, #foot {
	margin-top: 10px;
}

#intro>div {
	border: 1px lightgray solid;
	float: left;
	width: 228px;
	height: 250px;
	margin-right: 5px;
	margin-left: 5px;
	box-shadow: 2px 2px 2px #eee;
}
#banner>div {
	border: 1px lightgray solid;
	float: left;
	margin-right: 5px;
	margin-left: 5px;
	width: 468px;
	height: 100px;
	box-shadow: 2px 2px 2px #eee;
}

#contents-left {
	width: 708px;
	height: 300px;
}

#contents-right {
	width: 228px;
	height: 300px;
}

#contents>div {
	border: 1px lightgray solid;
	float: left;
	margin-right: 5px;
	margin-left: 5px;
	box-shadow: 2px 2px 2px #eee;
}

#foot {
	border: 1px lightgray solid;
	height: 30px;
	box-shadow: 2px 2px 2px #eee;
	margin-right: 5px;
	margin-left: 5px;
}