#pointerDiv {
  position: relative;
  isolation: isolate;
}

#pointerDiv > canvas.dp-water-canvas {
  position: absolute;
  inset: 0;
  z-index: var(--dp-water-z, 3);
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

#pointerDiv > * {
  position: relative;
  z-index: calc(var(--dp-water-z, 3) + 1);
}