style.css

html {
	background: #FFFFFF;
}

body {
	padding: 50px 0;
	margin: 0;
	font-family: Helvetica;
	color: #555;
	font-weight: 300;
}

.wrapper {
	max-width: 640px;
	margin: 0 auto;
	background: #FFFFFF;
	border-radius: 8px;
}

header, section, footer {
	display: block;
}

a {
	color: #2D2E2F;
	text-decoration: none;
}

p {
	margin: 0 0 20px;
	padding: 0;
}

strong {
	color: #222;
	font-weight: 700;
}

header {
	border-radius: 8px 8px 0 0;
	background: #FFFFFF;
	position: relative;
	padding: 20px 20px 30px 20px;
	margin-top: -1px;
}

header h1 {
	margin: 0;
	padding: 0;
	font-size: 24px;
	line-height: 1.2;
	color: #2D2E2F;
}
header p {
	margin: 0;
	color: #2D2E2F;
	font-size: 15px;
}
header ul {
	float: left;
	list-style: none;
	margin-left: -45px;
}
header ul li {
	float: left;
	padding: 13px 5px;
}
main {
	font-size: 15px;
	border-top: 1px solid #fff;
	position: relative;
	border-radius: 8px;
}

.content {
	padding: 15px 20px 20px 20px;
}

h1, h2, h3, h4, h5, h6 {
	color: #666;
	padding: 0;
	margin: 0 0 20px;
	line-height: 1.2;
}

p, ul, ol, table, pre, dl {
	margin: 0 0 20px;
}

h1, h2, h3 {
	line-height: 1.1;
}

h1 {
	font-size: 28px;
	color: #2D2E2F;
}

h2 {
	color: #2D2E2F;
}

h3, h4, h5, h6 {
	color: #494949;
}

blockquote {
	margin: 0 -20px 20px;
	padding: 15px 20px 1px 40px;
	font-style: italic;
	background: #ccc;
	background: rgba(0, 0, 0, 0.06);
	color: #222;
}

img {
	max-width:100%;
	display: block;
	margin-left: auto;
	margin-right: auto;
}

code, pre {
	color: #333;
	font-size: 12px;
}

pre {
	padding: 20px;
	background: #DDDDDD;
	color: #333333;
	margin: 0;
	overflow-x:auto;
}
li pre {
	margin-left: -60px;
	padding-left: 60px;
}

table {
	width: 100%;
	border-collapse: collapse;
}

th, td {
	text-align: left;
	padding: 5px 10px;
	border-bottom: 1px solid #aaa;
}

dt {
	color: #222;
	font-weight: 700;
}

th {
	color: #222;
}

small {
	font-size: 11px;
}

hr {
	background: #aaa;
	margin: 0 0 20px;
}

hr#header {
	clear: both;
	visibility: hidden;
}

footer {
	width: 640px;
	margin: 0 auto;
	padding: 20px 0 0;
	color: #aaa;
	overflow: hidden;
}
footer a {
	color: #bbb;
	font-weight: bold;
}
footer p {
	float: left;
}
footer p + p {
	float: right;
}
.latex {
	text-align: center;
}