.navigation {
  width:       11em;
  position:    absolute;
  margin-left: 0.2em;
  margin-top:  3em;
  font-family: Arial, Verdana, Helvetica;
}

.content {
  margin-top: 3em; 
  margin-left: 12em; 
  margin-right: 0.5em;
  margin-bottom: 3em;
  background-color: #ffffff;
  font-family:      Arial, Verdana, Helvetica;
  padding:     0.5em;
}