.header {
	margin: 0 auto;
	max-width: 63em;
	min-width: 47em;
	height: 6em;
	padding: 0 2em;
}

.main{
	margin: 0 auto;
	max-width: 65em;
}

.side{
	max-width: 16em;
	float: left;
	padding: 0 2em 0 0;
}

.kern{
	max-width: 45em;
	float: left;
	padding: 0 0;
}