.open
{
    background-image:url('LogoHead.gif');
    height:133px;
    font-size:1px;
}


.mitte 
{  background-image:url('mitte.gif');
   }
   
   
   .unten
   {
    background-image:url('unten.gif');
    height:28px;
    font-size:1px;   
   }