Body{padding-left:11em;font-family:arial;color:black;background-color:#fff8c6}
Ul.navbar{list-style-type:none;padding:0;margin:0;position:absolute;top:0.3em;left:1em;width:10.5em}
H1{font-family:Arial,sans-serif;height:12pt}
<!--Ul.navbar li{background:#fff8c6;margin:0.4em;padding:0.3em;border-right:1em solid green}-->
Ul.navbar li{background:#ffffcc;margin:0.4em;padding:0.3em;border-right:1em solid green}
<!--Ul.navbar a{text-decoration:none;color:#339933}-->

Ul.navbar a{text-decoration:none;color:#003300}
a:link{color:white}
a:visited{color:green}


address{margin-top:1em;padding-top:1em;border-top:thin dotted}
#letters{
	font-family : Arial, Helvetica, sans-serif;
	font-size : 11px;
	font-weight : bold;
	color : green;
	text-decoration : none;
	
}
#groteletters{
	font-family : Arial, Helvetica, sans-serif;
	font-size: 18px;
	font-weight : bold;
	color : blue;
	text-decoration : none;
}
#mailtje{
	font-family : Arial, Helvetica, sans-serif;
	font-size : 16px;
	font-weight : bold;
	color : yellow;
	text-decoration : underline;
}
#mailtje:hover{
	font-family : Arial, Helvetica, sans-serif;
	font-size : 16px;
	font-weight : bold;
	color : aqua;
	text-decoration : underline blink;
}