body {
	font-family: system-ui;
	background: #111;
	color: #eee;
	margin: 0;
	padding: 0;
}

header {
	background: #1b1b1b;
	padding: 20px;
}

nav a {
	margin-right: 20px;
	color: #fff;
	text-decoration: none;
}

main {
	padding: 40px;
}

footer {
	padding: 20px;
	text-align: center;
	background: #1b1b1b;
}