div.headall { 
   font-family:Verdana, Arial, sans-serif;
   font-weight: bold; 
}

div.headall a { 
   text-decoration: none; 
   color: black;
   font-weight: bold; 
}

td.head1 { 
   background-color: blue;
}

span.head1big { 
   color: yellow;
   font-size: 35; 
   text-align: center;
}

span.head1small { 
   color: yellow;
   font-size: 20; 
   text-align: center;
}

td.menu1 { 
   background-color: darkorange;
   text-align: center;
   width: 150;
}

td.menu2 { 
   background-color: gray;
   text-align: center;
   width: 150;
}

td.menu3 { 
   background-color: white;
   text-align: center;
   width: 150;
}

span.vortrag { 
   font-weight: bold; 
}

div.sponsor a img { 
   border: 0;
}