main.css

body {
	font-family: Helvetica, Arial, sans-serif;
}

#wrapper {
	width: 800px;
	margin: 30px auto;
}

#header {
	margin-bottom: 30px;
}

#navigation {
	float: left;
	width: 100%;
	line-height: normal;
	height: 30px;
}

#navigation ul li {
	float: left;
}

#navigation ul li.selected {
}

#navigation ul li a {
	color: #666;
	margin-right: 10px;
	text-decoration: none;
	border-bottom: 1px solid #999;
}

#navigation ul li a:hover {
	color: #000;
	border-bottom: 1px solid #333;
	text-decoration: none;
}

#content h1,
#content h4,
#content h3,
#content h4 {
	font-weight: bold;
	margin-bottom: 15px;
}

#content h1 {
	font-size: 2em;
}

#content h2 {
	font-size: 1.6em;
}

#content h3 {
	font-size: 1.2em;
}

#content h4 {
	font-size: 1em;
}

#content p {
	margin-bottom: 1em;
}

#content pre {
	margin-bottom: 1em;
	padding: 1em;
	background-color: #eee;
}