.Ueberschrift1 {
  font-weight: bold;
  font-size: 1.8em;
}

.Ueberschrift2 {
  font-weight: bold;
  font-size: 1.4em;
}

.grau {
  color: grey;
}

.rot {
  color:red; 
}


.highlight
{
  background-color: lightblue;
  text-decoration: underline;
}

.important
{
  font-weight: bold;
  font-size: 2.1em;
}