.billiards-hint {
  text-align: center;
  font-size: 20px;
  color: var(--color-accent);
  margin: 4px 0 0;
  min-height: 1.3em;
}

.billiards-canvas-wrap {
  width: 100%;
  max-width: 480px;
  margin: 8px auto 0;
  border: 4px solid var(--color-accent);
  border-radius: 16px;
  overflow: hidden;
}

#billiards-canvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: none;
}