body {
	margin: auto;
	font: 18px/1.4 serif;
	max-width: 70ch;
	background-color: papayawhip;
	color: navy;
}
code {
	background-color: #ffe;
	color: black;
}
pre > code {
	display: block;
}
img {
	max-width: 100%;
}
a:link {
	text-decoration: none;
	background: #eef;
	color: inherit;
}
a:visted {
	color: inherit;
}
a:active {
	border-bottom: 1px solid;
}
a:hover {
	border-bottom: 1px solid;
}