#interactive.viewport {
  position: relative;
}

#interactive.viewport canvas,
video {
  /*position: absolute;*/
  /*top: 0;*/
  /*bottom: 0;*/
  /*left: 0;*/
  width: 100%;
  height: 100%;
  border: 0;
}

#interactive.viewport canvas.drawingBuffer,
video.drawingBuffer {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  /*width: 100%;*/
  /*height: 100%;*/
  border: 0;
}