body { font-family:Arial,sans-serif; color:#000000; background-color:#CCCCCC;  }

a:link { color:#000000; text-decoration:underline; }

a:visited { color:#666666; text-decoration:underline; }

a:active { color:#FF0000; text-decoration:underline; }

table {width:100%;}

img { border:none; }

.autor {font-size:smaller;}

.quelle {font-size:smaller;}

.titel {font-size:larger; font-weight:bold; background-color:#99FF99; text-align:center;}

.titel2 {font-size:larger; font-weight:bold; background-color:#FFFF00; text-align:center;}

.navigation {background-color:#99FF99; text-align:center;}

.navigation2 {background-color:#FFFF00; text-align:center;}

.lösung {text-align:center;}
.loesung {text-align:center;}