body {
	font-family: sans-serif;
	margin: 0;
}

h1, h2, h3, h4, h5, h6 {
	font-weight: 200;
}

a.simple {
	text-decoration: none;
}

.vertical-buttons {
	display: flex;
	flex-direction: column;
}
.vertical-buttons a.button {
	flex: 1;
	color: #a66;
	background: white;
	border: thin #a66 solid;
	border-bottom: none;
	padding: 5px;
	text-align: center;
	transition: 0.2s all;
}
.vertical-buttons a.button:hover {
	background: #a66;
	color: white;
}
.vertical-buttons a.button:first-child {
	border-radius: 5px 5px 0 0;
}
.vertical-buttons a.button:last-child {
	border-bottom: thin #a66 solid;
	border-radius: 0 0 5px 5px;
}

nav {
	padding: 20px 15px;
	background: #a00;
	color: white;
	display: flex;
	justify-content: space-between;
}
#nav-links {
	font-size: 1.4em;
}
#nav-links, #nav-search {
	margin: auto 0;
}

main {
	padding: 20px;
}

.documents {
	display: flex;
	flex-direction: column;
}
.document {
	display: flex;
	flex: 1;
	flex-direction: row;
	margin: 10px;
}

.document-column {
	width: 10%;
}
.document-column.left {
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}
.document-column.centre {
	width: 80%;
}
.document-column.right ul {
	list-style: none;
	padding: 0;
}
.document-column.centre div {
	margin: 3px 0;
}
.document-column .title {
	font-size: 1.2em;
	text-align: center;
}
.document-column .authors {
	text-align: center;
}
.document-column .tags {
	font-size: 0.8em;
}
.document-column .tags .list-empty::before {
	display: inline-block;
	content: "No tags";
}
.document-column .metadata {
	font-size: 0.8em;
	color: #888;
}