html {
	background-color: #EEE;
}

body {
	max-width: 73em;
	margin: 0 auto;
}
main {
	padding: 0 8px 4px;
	background-color: #FFF;
	display: flow-root;
}
.TopNavBar {
	display: flex;
	>* {
		border-top-width: 2px;
		border-top-style: solid;
		border-top-color: #FFF0;
		border-bottom: 1px solid #888;
		&:not(:first-child) {
			border-left: 1px solid #888;
		}
	}
	>a {
		padding: 8px;
		text-decoration: none;
		&:last-child {
			border-right: 1px solid #888;
		}
		&:hover {
			background-color: #8882;
		}
	}
}

iframe {
	background: #FFFD;
	border: none;
	width: 100%;
	height: 87vh;
}