.map-overlays {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-grid-image {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.overlay-strongpoint {
  position: absolute;
  display: block;
  pointer-events: none;
}

.overlay-strongpoint-label {
  position: absolute;
  display: block;
  pointer-events: none;
  z-index: 1;
  image-rendering: auto;
}