div.blattpapier {
  background: #eee;
  border: groove;
  margin: 1cm;
  padding: 1cm;
}


table.index {
	xborder: solid 1px black;
	margin-left: auto;
	margin-right: auto;
}

table.index tr.even {
	background-color: #ccc;
}

table.index tr.odd {
	background-color: transparent;
}

table.index td {
	padding: 3mm;
	vertical-align: middle;
}

div.navigation {
	background-color: #ccc;
	text-align: center;
}