header {
	display: flex;
	flex-direction: row;
	margin: 1em auto 0 auto;
	max-width: 800px;
	width: 100%;
}

header > nav {
	width: 100%;
}

.nav-links {
	list-style-type: none;
	margin: 0;
	padding: 0;
	width: 100%;
}

.nav-links > li {
	flex: 1;
	text-align: center;
}