html{margin:0px;padding:0px;}
body{width:650px;margin:100px auto 0px auto;}
#navbar{width: 150px;margin-top:100px;float:left;}
#navlinks li{cursor:pointer;text-decoration: underline;}
#content{margin-left:150px;}
#content_impressum{display:none;}
#content_home{display:block;}