body {
  font-family: Arial, sans-serif;
  text-align: center;
}

p {
  margin-top: 9ex; 
  width: 45em;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

p.impressum {
  margin-top: 27ex;
  font-size: small;
}

span.l1 {
  font-size: 175%;
  color: #9999ff;
  font-weight: bold;
}

span.l2 {
  font-size: 100%;
  color: #23ff23;
  font-weight: normal;  
}