#canvas {
  position: relative;
  width: 749px;
  height: 226px;
  overflow: hidden;
}

#img0 {
  position: absolute;
  width: 749px;
  height: 226px;
  top: 0;
  left: 0;
  visibility: hidden;
}

#img1 {
  position: absolute;
  width: 749px;
  height: 226px;
  top: 0;
  left: 0;
  visibility: hidden;
}

#img2 {
  position: absolute;
  width: 749px;
  height: 226px;
  top: 0;
  left: 0;
  visibility: hidden;
}

#img3 {
  position: absolute;
  width: 749px;
  height: 226px;
  top: 0;
  left: 0;
  visibility: hidden;
}