body {
	font-family: Constantia, "Lucida Bright", Lucidabright, "Lucida Serif", Lucida, "DejaVu Serif," "Bitstream Vera Serif", "Liberation Serif", Georgia, serif;
}

header, nav, section, article, footer {
	display: block;
	background: #ccc;
	padding: 5px 10px;
	margin-bottom: 10px;
}

	header {
		width: 90%;
		overflow: hidden;
	}
		a {
			color: #f00;
		}

	nav {
		width:20%;
		float: left;
		margin-right: 1%;
	}
	
	section {
		width:67%;
		float: left;
	}
		button {
			background: #f00;
			color: #fff;
			border: 2px solid #c00;
			cursor: pointer;
		}
	
	article {
		background: #999;
	}

	footer {
		width:90%;
		overflow: hidden;
		clear:both;
	}