:root {
  --go-board-wood: #d9aa67;
  --go-board-line: rgba(83, 57, 29, 0.78);
  --go-board-edge: #94652e;
  --go-board-black: radial-gradient(circle at 32% 26%, #3f4b4b, #050708 68%);
  --go-board-white: radial-gradient(circle at 35% 28%, #fff, #dbe5e1 72%);
  --go-board-last-move: #f05d68;
  --go-board-candidate: rgba(219, 124, 82, 0.82);
  --go-board-candidate-best: rgba(59, 195, 214, 0.8);
}