@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("filefactory.com") {   

div#greyDownload, div#content { background: none !important; }   

#free { margin-left: 200px !important;  }  

#navigation, a#fdbk_tab, div#subHeader, div#adverts, div#greyFeatures,  
div#premium, span.blurb, img[alt="Upgrade"], img[alt="FileFactory Premium"] 
{ display: none !important; }   

}