body {
	font-size: 95%;
	font-family: Calibri, Candara, Segoe, "Segoe UI", Optima, Arial, sans-serif;
	width: 900px;
	margin: 0 auto;
	text-align: justify;
}

#left {
	width: 400px;
	float: left;
	/*margin-left: -200px;*/
	margin: 0px 10px 10px 10px;
}

#right {
	float: left;
	width: 400px;
	margin: 0px 10px 10px 10px;
}

h1 {
	text-align: center;
	margin-bottom: 5px;
}

h2 {
	text-align: center;
	margin-top: 20px;
	margin-bottom: 5px;
}

h3 {
	text-align: center;
}

.code {
	font-family: monospace;
	list-style: none;
}

.error {
	font-size: 200%;
	text-align: center;
	color: red;
}