html,
body {
	height: 100%;
}

body {
	display: grid;
	grid-template-rows: auto 1fr auto;
	min-height: 100%;
	margin: 0;
}

main {
	margin-bottom: 1rem;
}

footer {
	margin-top: auto;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}