@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("bing.com") {
  /* (c) 2009 by Lestarte */
  object[data*="content"],
  div[id="results"],
  ul[class="sb_results"],
  ul[class="sb_tlst"] {
    counter-reset: pageNum;
  }

  li h3:before {
    content: counter(pageNum) ": ";
    counter-increment: pageNum;
    font-weight: bold;
  }
}