h1 {
	font-family: Tahoma, Verdana, Geneva, Arial, Helvetica, sans-serif;
	font-size: x-large;
	color: #444;
	padding-top: 5px;
	padding-bottom: 10px;
	border-bottom: 7px solid #DDD;
	margin-bottom: 20px;
}
h2 {
	font-family: Tahoma, Verdana, Geneva, Arial, Helvetica, sans-serif;
	font-size: large;
	color: #444;
	padding-top: 20px;
	padding-bottom: 6px;
	border-bottom: 2px solid #DDD;
	margin-bottom: 10px;
}
h3 {
	font-family: Tahoma, Verdana, Geneva, Arial, Helvetica, sans-serif;
	font-size: medium;
	font-weight: bold;
	color: #484848;
	padding-top: 10px;
	padding-bottom: 0;
}

a, a:visited, a:link {
	color: #000;
	text-decoration: underline;
}
a.ext {
	padding-right: 0;
}
a.ext:after {
	content: " (" attr(href) ")";
}

#header, #footer, code {
	border-color: #000;
}

#content {
	width: 100%;
}

#navigation, #tableofcontents, #adsearch, .adsense, .noprint {
	display: none;
}

#zelftest-antwoorden, #opdracht-uitwerking {
	display: block;
}