body {
	max-width: 780px;
	margin: 40px auto;
	padding: 0 10px;
	color: #444;
	background: #EEEEEE;
	line-height: 1.6;
	text-align: center;
	font-family: monospace;
	font-size: 20px;
}
h1, h2, h3 {
	line-height: 1.2;
}