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

@-moz-document domain("whatwg.org") {
  body {background:#111 !important;}

  body, dt, var {color:#aaa !important;}

    a:link {color:#4444ff !important;}
    a:visited {color:#cc2222 !important;}

    .example {background:#141414 !important;
              color:#adadad !important;}

    .idl {background:#222 !important;
          color:#bbb !important;}

    .domintro {background:#113311 !important;}
    
    p { max-width: 35em !important; } /* This goes a long way because of their clever use of paragraph tags in lots of places. */
}