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

@-moz-document url-prefix(forum.p30world.com),
url-prefix(forum.p30world.net),
url-prefix(forum.p30world.ir),
               domain(forum.p30world.com),
               domain(forum.p30world.net),
               domain(forum.p30world.ir) {
  img[src*="/logos/"],
  img[Title="P30World Forums"],
  img[src*="vbulletin3_logo.jpg"],
  img[src*="vbulletin3_logo_white_Norooz88.jpg"] {
    width: 0 !important;
    height: 84px !important;
    padding-left: 450px !important;
    background-image: url("http://forum.p30world.com/attachment.php?attachmentid=20970&d=1237507021");
    background-position: center center;
    background-repeat: no-repeat;
  }

}