body {
	width:700px;
	margin:0 auto;
}
#head h2 {
	color:grey;
	font-size:16px;
}
#head {


	text-align: center;
}

#weblinks {
	margin-left:auto;
	margin-right: auto;
	width:600px;
	border:2px dashed green;
	margin-bottom:20px;
	padding:10px;
}

#graphiclinks {
	margin-left:auto;
	margin-right: auto;
	width:600px;
	margin-top:20px;
	padding: 10px;
	border: 2px dashed purple;
}

#footer {

}
.principle {
	font-size: 1.1em;
	font-weight: 600;
}