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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #030a13;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  font-family: Arial, Helvetica, sans-serif;
}

#stage {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 30%, #0a2338 0%, #04101d 55%, #02080f 100%);
}

#game {
  display: block;
  touch-action: none;
  -ms-touch-action: none;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(120, 205, 255, 0.14),
    0 18px 70px rgba(0, 60, 110, 0.55);
  cursor: pointer;
}