* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #05010d;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

#stage {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 18%, #180a3a 0%, #05010d 62%, #02000a 100%);
}

#game {
  display: block;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  border-radius: 6px;
  box-shadow: 0 0 60px rgba(60, 190, 255, 0.16), 0 0 140px rgba(180, 60, 255, 0.12);
  outline: none;
}