body {
border:0px;
border-width:0px;
border-style:hidden;
border-spacing:0px;
border-collapse:collapse;
padding: 0px;
margin: 0px; 
font-size:14px;
font-family:Arial;
font-weight:normal;
color:#000000;
background-color:#333333;
}

#infotext {
font-size:10px;
font-family:Arial;
font-weight:normal;
color:#FFFFFF;
text-decoration:none;
}

#zentriert {
  position:absolute;
  top:50%;
  left:50%;
  width:800px;
  height:643px;
  margin-left:-400px;
  margin-top:-321px;

}