html, body {
  margin: 0;
  padding: 0;
}

#Container {
  width: 900px;
  margin: 0px auto;
  font-family: Arial, Helvetica, Sans-Serif;
  line-height: 21px;
  font-size: 11px;
}

#Links {
  width: 600px;
  float: left;
  margin-right: 50px;
}

#Rechts {
  width: 250px;
  float: left;
}