@-moz-document domain(youtube.com) {
  body {
    background: url("http://img247.imageshack.us/img247/5237/flowercloseupcustomut7.jpg") center center fixed !important;
  }

  #baseDiv {
    background: #FFF !important;
    padding: 10px !important;
  }

  #watch-channel-brand-div {
    display: none !important;
  }
}