canvas {
  position: absolute;
  left: 0;
  top: 0;
}
div#dropZone, img {
  position: absolute;
  left: 0;
  top: 0;
}
div#dropZone {
  z-index: -2;
  width: 100vw;
  height: 100vh;
}
img {
  z-index: -1;
}
div#coords {
  z-index: 1;
  position: fixed;
  color: #fff;
  text-shadow: 0 0 0.25vh black, 0 0 0.25vh black, 0 0 0.25vh black;
  font-family: "Atkinson Hyperlegible Next", sans-serif;
  font-size: 3vh;
}
.topleft, .topright {
  top: 0.5vh;
}
.bottomleft, .bottomright {
  bottom: 0.5vh;
}
.topleft, .bottomleft {
  left: 0.5vh;
}
.topright, .bottomright {
  right: 0.5vh;
}