body {
  margin: 0;
}
.layers {
  position: relative;
  margin: 0 auto;
  width: 662px;
  /* background-color: rgba(0,0,0,0.5); */
}
img.layer {
  margin: 0;
}
canvas.layer {
  position: absolute;
  left: 0;
  top: 0;
}

area:focus {
  outline: 1px solid #00ffff;
}