#container {
	margin: 0 auto;
	width: 750px
}
#header {
	clear: both;
	width: 750px;
	background-color: #ffa
}
#sidebar {
	float: left;
	width: 200px;
	background-color: #faf
}
#content {
	float: left;
	width: 550px;
	background-color: #aff
}
#footer {
	clear: both;
	width: 750px;
	background-color: #faa
}