html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

#viewport {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background: #000;
}

#world {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
}

.entity {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--size);
  height: var(--size);
  transform-origin: center center;
}

.entity img {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--size);
  height: var(--size);
  image-rendering: pixelated;
  pointer-events: none;
  user-select: none;
}