body { background-color:#999999; color:#E0E0E0 }
.rosabox { background-color:#FFDDDD; padding:6px; margin:0px; }
.rosa { background-color:#FFDDDD; }
.gelbbox { background-color:#FFFF66; padding:6px; margin:0px; }
.gelb { background-color:#FFFF66; }
rundrum {
  border-width:1px;
  border-style:solid;
  border-color:blue;
  padding:2.5em;
  text-align:justify;
}
#d1 { padding-bottom: 10em;; padding-right:50px; padding-left: 10px; background-color:#000000; font-size:1.2em; color:#00FF00 }
#d2 { padding-right: 100px; background-color:#99FFFF; }
#d3 { padding-right: 150px; background-color:#FF99FF; }

a {position:relative;
}
span.tt {
    display:none;
}
a:hover span.tt {
    display:block;
    position:absolute;
    background-color:#fff;
    color:#000;
    border:1px solid #363;
    margin:0;
    top: 20px;
    left: 10px ;
}