body {
	font-family: 'Roboto', sans-serif;
	font-weight: 900;
	text-align: center;
	margin: 0;
	padding: 0;
}

#display {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	font-size: 16em;
	text-align: center;
}