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

@-moz-document domain("reader.livedoor.com") {
  .adfeeds_body, .adsWrapper{
    display: none;
  }
  #header {
    display: none;
  }
  #menu {
    display: none;
  }
  #control {
    display: none;
  }
}