googleの検索結果に番号を付けるCSSなんですが、いつの間にか動かなくなっていました
あると便利なので修正箇所分かる方いたら教えてください
よろしくお願いします

@-moz-document url-prefix("http://www.google.co.jp/search";),
url-prefix("http://www.google.com/search";),
url-prefix("https://www.google.co.jp/search";),
url-prefix("https://www.google.com/search";){


/* カウンタを生成 */

div#res{
counter-reset: head !important;
}
/*.g > .r:before{ */

div.rc h3::before {
counter-increment: head !important;
content: "#" counter(head) !important;
font-size: 18px !important;
font-weight: bold !important;
margin-right: 5px !important;
padding: 0px 4px !important;
background: white url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAeCAMAAAAiq38CAAAAA3NCSVQICAjb4U/gAAAAYFBMVEUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADu7u7v7+/w8PDx8fHy8vLz8/P09PT19fX29vb39/f4+Pj5+fn6+vr7+/v8/Pz9/f3+/v7///9uR0UGAAAAQUlEQVQYlXXGtwGAMAAEsZ8ATHIk7L+lK5+/QZX0QdYX3ge64W1Qq4PqbIE3QwneCF346QnvAe3wbpgNCtAK74IOWSsakaslG2kAAAAASUVORK5CYII=") left top !important;
color: #bbb !important;
border: 1px solid #bfbfbf !important;
-moz-border-radius: 3px !important;
}

}