body {
  margin: 0;
  padding: 0;
}
#canvas {
  background: url(https://hbobanners.wearebamp.com/320x250/img/320x250_a_2.jpg);
  background-size: 100%;
  background-color: transparent;
  width: 320px;
  height: 250px;
  cursor: url(https://hbobanners.wearebamp.com/88x88_scratch.png), pointer;
}
@media (max-width: 320px) {
  #canvas {
    width: 320px;
    height: 250px;
    margin: 0 auto;
  }
}
/*
#canvas video {
  position: absolute;
  top: 0;
  left: 0;
  width: 531px;
  height: 438px;
  z-index: 0;
}
#canvas canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
*/