* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: #04050c;
  overscroll-behavior: none;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

#stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 50% 12%, rgba(60, 110, 255, 0.13), transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(190, 50, 255, 0.1), transparent 62%),
    #04050c;
}

#game {
  display: block;
  touch-action: none;
  border-radius: 10px;
  box-shadow:
    0 0 0 1px rgba(120, 225, 255, 0.14),
    0 0 46px rgba(70, 180, 255, 0.22),
    0 0 120px rgba(120, 60, 255, 0.16);
  image-rendering: auto;
}