body {
  background-image: url(../img/aip_bg_img.jpg);
  margin: 0;
  padding: 0;
}

/*
This child-selector prevents iexplorer from missinterpreting position:fixed

body > div.links {
  position: absolute;
}*/

/* HEADER */
div.header {
  position: absolute; /* nicht fixed da der untere menuebereich dann nicht sichtbar ist */
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 150px;
  z-index: 100; 
  overflow: auto; 
}

div.navtitle {
  background: #0066cc;
  margin-bottom: 3px;
  margin-top: 5px;
  font: 12px Verdana, sans-serif;
  text-align: left;
  padding: 3px 10px;
  color: white;
}

/* LINKS */
div.links {
  position: absolute; /* nicht fixed da der untere menuebereich dann nicht sichtbar ist */
  top: 160px;
  left: 5px;
  width: 180px;
  font: 12px Verdana, sans-serif;
  text-align: center;
  color: #0066cc;
  height: 100%;
}

div.links a {
  display: block;
  text-align: left;
  font: 12px Verdana, sans-serif;
  padding: 3px 10px;
  color: #0066cc;
  text-decoration: none;
}

div.links a:hover {
  color: #ff9900;
  background: none;
  font: bold 12px Verdana, sans-serif;
  text-decoration:underline;
}

/* Aktive Links */
div.active {
  display: block;
  text-align: left;
  font: bold 12px Verdana, sans-serif;
  padding: 3px 10px;
  color: #ff9900;
}

/* CONTENT */
div.content {
  position: absolute;
  text-align: justify;
  top: 150px;
  left: 180px;
  right: 0;
  color: #333333;
  font: 13px Verdana, sans-serif;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-right: 15px;
  padding-left: 50px;
}

div.contenttitle {
  font: 24px Verdana, sans-serif;
  font-weight: normal;
  color: #0066cc;
  letter-spacing: 2px;
  margin-top: 10px;
  margin-bottom: 20px;
}

div.contenttitle2 {
  font: 16px Verdana, sans-serif;
  font-weight: bold;
  color: dimgrey;
  letter-spacing: 2px;
  margin-top: 5px;
  margin-bottom: 10px;
}

div.contenttitle3 {
  font: 12px Verdana, sans-serif;
  font-weight: bold;
  color: dimgrey;
  letter-spacing: 2px;
  margin-top: 2.5em;
  margin-bottom: 0.5em;
}