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

@-moz-document domain(wikipedia.org) {

/*this is link to polish version of Wikipedia - change it to your language as described above and adjust "top" and "left" values*/
  div.pBody>ul>li.interwiki-pl { top:-52.5em !important; left:14.8em !important; position:absolute !important; font-weight:bold !important; background-color:#FABD23 !important; padding:0 5px !important; display:block !important; color:#fff !important; }

/*this is link to english version of Wikipedia - adjust "top" and "left" values*/
  div.pBody>ul>li.interwiki-en { top:-54em !important; left:14.8em !important; position:absolute !important; font-weight:bold; background-color:#FABD23 !important; padding:0 5px !important; display:block; color:#fff !important; }

  #p-lang { overflow:visible !important; }
  #siteNotice { margin-left:80px; }
}