.Titel {  font-family: Arial, Helvetica, sans-serif; font-size: medium; color: #000000; background-color: #CCCCCC}
.titelblau {  font-family: Arial, Helvetica, sans-serif; font-size: large; color: #0000FF; background-color: #FFFF00}
.grau {  background-color: #99FFCC}