html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: "Ubuntu Mono", "Play", monospace, sans-serif;
  user-select: none;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  cursor: default;
}

#ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

#ui > * {
  pointer-events: auto;
}