body	{
	margin: 0 auto;
}
header	{
	background-color: #0c0c0c;
	color: white;
	height: 100px;
	width: 100%;
	float: left;
}

aside	{
	background-color: #1e1e1e;
	color: white;
	width: 30%;
	height: 600px;
	float: left;
}

main	{
	background-color: #0090ff;
	width: 70%;
	height: 600px;
	float: left;
}

footer	{
	background-color: #004072;
	height: 100px;
	width: 100%;
	text-align: right;
	float: left;
}