img {
	vertical-align: text-top;
}

.bookreference {
	background-color: #FFCC00;
	float: right;
	margin-right: 0px;
	margin-top: 0px;
	margin-bottom: auto;
	border: 1px solid #CC6600;
	text-align: center;
	vertical-align: middle;
	font-family: sans-serif;
	padding: 10px;
}

.codeexample {
	font-family: "Courier New", Courier, mono;
}

.bar {
	text-decoration: overline;
}

.section {
	margin-left: 30px;
}

.ring {
	border: 1px solid black;
}

@media print {
	img {
		max-width: 100%;
	}
}