body {
	position: absolute;
	left: 0;
	right: 0;
	margin: auto;
	top: calc( 50% - 123px );
	font-size: 50px;
	text-align: center;
	line-height: 1.9;
	background-color: #ff9;
}
body div {
	font-size: 80px;
	font-weight:bold;
}

@media (max-width: 570px ) {
	body {
		font-size: 30px;
	top: calc( 50% - 76px );
	}
	body div {
		font-size: 50px;
	}
}