body.demo {
  position: relative;
  z-index: 0;
}

body.demo:after {
  @image-directory: if(@use-relative-paths, '../img/', 'img/');
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('@{image-directory}baseline8.png') 0 0 repeat;

  pointer-events: none;
}

body.demo.front:after {
  z-index: 999999999;
  pointer-events: none;
}