body {
	display: flex;
	justify-content: center;
	align-items: center;

	min-height: 100vh;
	background: #999;
	line-height: 1.5em;
}

main {
	padding: 15px 30px;
	color: #fff;
	text-align: center;
	width: 300px;
}

h1{
  font-size: 36px;
}