PrintCSS, display:none und Firefox - Probleme?

[Franzi]

Also....

div#logo {

background-image:url(bg_header_uni1.jpg);background-repeat:no-repeat;
margin-top:-10px;
margin-left:-5px;
margin-right:-10px;

}

<div id="logo"> <div>

@media print {

div#logo {  display:none;
          }

}