html, body {
    background: #202020;
    margin: 0;
    padding: 0;
    overflow-x: clip;
}
iframe#body {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  border: 0;
  overflow-x: hidden;
}
#content iframe {
  display: block;
}