h1 {
	text-align: center;
}

ol {
	list-style-type: decimal;
}

body {
	background-color: #444;
}

div.mainpage {
	width: 90%;
	max-width: 1160px;
	margin: auto;
}

div.paper {
	background: #fff;
	box-shadow:
		0 1px 1px rgba(0,0,0,0.20),
		0 10px 0 -5px #eee,
		0 10px 1px -4px rgba(0,0,0,0.20),
		0 20px 0 -10px #eee,
		0 20px 1px -9px rgba(0,0,0,0.20);
	padding: 40px;
}

@media screen and (max-width:750px) {
	div.mainpage {
		width: 99%;
		margin: auto;
	}

	div.paper {
		padding: 10px;
	}
}