html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #070c16;
  background-image: radial-gradient(circle at 50% 35%, #16233a 0%, #0a1120 55%, #05080f 100%);
  touch-action: none;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#stage {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game {
  display: block;
  touch-action: none;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(120, 200, 255, 0.08), 0 24px 70px rgba(0, 0, 0, 0.65);
  image-rendering: auto;
}