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

@-moz-document url-prefix("file:///data/Eigene_Dateien/Dropbox/Public/form3.htm") {
 body { background-color: blue !important; -moz-appearance: none !important; }
 input { display: block !important; height: 100px !important; width: 100px !important; background-color: black !important; margin: 1cm !important; border: 10px solid black !important; -moz-appearance: none !important; }
}