html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 12%, rgba(248, 199, 78, 0.24), transparent 34%),
    radial-gradient(circle at 16% 78%, rgba(225, 29, 72, 0.2), transparent 26%),
    #000000;
  color: #f8c74e;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}

#game {
  position: relative;
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
}

#game::before {
  position: absolute;
  inset: 10px;
  pointer-events: none;
  content: '';
  border: 1px solid rgba(248, 199, 78, 0.32);
  border-radius: 10px;
  box-shadow:
    0 0 32px rgba(248, 199, 78, 0.22),
    inset 0 0 28px rgba(225, 29, 72, 0.12);
}

canvas {
  width: min(100%, 550px);
  height: auto;
  max-height: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-touch-callout: none;
  user-select: none;
}