body {
	margin: 0;
	padding: 0;
	background-color: #bababa;
	width: 100%;
	height: 100%;
}

div.A {
	width: 100%;
	padding: 0;
	display: table;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	margin: 0;
}

div.B {
	padding: 0;
	vertical-align: middle;
	display: table-cell;
	margin: 0;
}

div.C {
	width: 600px;
	margin: 0 auto;
	text-align: center;
	padding: 10px;
}

a:link {
	color: black;
	text-decoration: none;
	font-size: 24pt;
}

a:visited {
	color: black;
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

a:active {
	text-decoration: underline;
}

div.content {
	background-color: #ffffff;
    margin: 2em;
    padding: 2em;
    width: 800px;
}

pre {
	margin: 1em 4em;
	padding: 1em 2em;
	background-color: #000000;
	color: #00ff00;
}
code {
	color: black;
	background-color: #ffffff;
}