style.css

body {
	font: 16px/24px "Helvetica Neue", Arial, sans-serif;
	margin: 2em 3em;
	color: #666;
}

a {
	color: #6699ff;
}

pre {
	background: #f0f0f0;
	padding: 1em 1em 0;
}
code {
	background: #f0f0f0;
	padding: 0.5em;
}
pre code {
	background: none;
	padding: 0;
}

.navigation {
	margin: 2em 0 2em;
}

.navigation a {
	padding: 0.5em;
}

.nav_holder {
	margin: -1em 0 0 -1em;
	list-style: none;
	padding: 0;
};

	.nav_holder li {
		display: inline-block;
		margin: 1em 0 0 1em;
	}

	.nav_holder li a {
		float: left;
		padding: 0.5em 1em;
		width: 15em;
	}

	.selected {
		background: #69f;
		color: white;
		text-decoration: none;
		border-radius: 4px;
	}

	.nav_holder li a.selected {
		background: #36f;
	}

.download {
	font-size: 1.5em;
	margin-top: 2em;
	padding: 1em 2em;
	display: inline-block;
	box-shadow: 0 5px #36f;
}

.clearfix:after {
	visibility: hidden;
	display: block;
	font-size: 0;
	content: " ";
	clear: both;
	height: 0;
}
.clearfix { display: inline-block; }
/* start commented backslash hack \*/
* html .clearfix { height: 1%; }
.clearfix { display: block; }
/* close commented backslash hack */