body {
	margin: 0;
	min-height: 100vh;

	display: flex;
	flex-direction: column;
}

main {
	flex: 1;
	display: flex;
	justify-content: center;
	align-items: center;
}

footer {
	text-align: center;
	padding: 0.5rem;
	font-size: 0.8rem;
	color: #666;
}