純粋な CSS3 で実装された三目並べゲーム

<div class="三目並べ">
  <input class="player-1 left first-column top first-row first-diagonal turn-1" id="block1-1-1" type="radio"/>
  <label class="turn-1" for="block1-1-1"></label>
  <input class="player-1 middle second-column top first-row turn-1" id="block1-1-2" type="radio"/>
  <label class="turn-1" for="block1-1-2"></label>
  <input class="player-1 right third-column top first-row second-diagonal turn-1" id="block1-1-3" type="radio"/>
  <label class="turn-1" for="block1-1-3"></label>
  <input class="player-1 left first-column center second-row turn-1" id="block1-2-1" type="radio"/>
  <label class="turn-1" for="block1-2-1"></label>
  <input class="player-1 middle second-column center second-row first-diagonal second-diagonal turn-1" id="block1-2-2" type="radio"/>
  <label class="turn-1" for="block1-2-2"></label>
  <input class="player-1 right third-column center second-row turn-1" id="block1-2-3" type="radio"/>
  <label class="turn-1" for="block1-2-3"></label>
  <input class="player-1 left first-column bottom third-row second-diagonal turn-1" id="block1-3-1" type="radio"/>
  <label class="turn-1" for="block1-3-1"></label>
  <input class="player-1 middle second-column bottom third-row turn-1" id="block1-3-2" type="radio"/>
  <label class="turn-1" for="block1-3-2"></label>
  <input class="player-1 right third-column bottom third-row first-diagonal turn-1" id="block1-3-3" type="radio"/>
  <label class="turn-1" for="block1-3-3"></label>
  <input class="player-2 left first-column top first-row first-diagonal turn-2" id="block2-1-1" type="radio"/>
  <label class="turn-2" for="block2-1-1"></label>
  <input class="player-2 middle second-column top first-row turn-2" id="block2-1-2" type="radio"/>
  <label class="turn-2" for="block2-1-2"></label>
  <input class="player-2 right third-column top first-row second-diagonal turn-2" id="block2-1-3" type="radio"/>
  <label class="turn-2" for="block2-1-3"></label>
  <input class="player-2 left first-column center second-row turn-2" id="block2-2-1" type="radio"/>
  <label class="turn-2" for="block2-2-1"></label>
  <input class="player-2 middle second-column center second-row first-diagonal second-diagonal turn-2" id="block2-2-2" type="radio"/>
  <label class="turn-2" for="block2-2-2"></label>
  <input class="player-2 right third-column center second-row turn-2" id="block2-2-3" type="radio"/>
  <label class="turn-2" for="block2-2-3"></label>
  <input class="player-2 left first-column bottom third-row second-diagonal turn-2" id="block2-3-1" type="radio"/>
  <label class="turn-2" for="block2-3-1"></label>
  <input class="player-2 middle second-column bottom third-row turn-2" id="block2-3-2" type="radio"/>
  <label class="turn-2" for="block2-3-2"></label>
  <input class="player-2 right third-column bottom third-row first-diagonal turn-2" id="block2-3-3" type="radio"/>
  <label class="turn-2" for="block2-3-3"></label>
  <input class="player-1 left first-column top first-row first-diagonal turn-3" id="block3-1-1" type="radio"/>
  <label class="turn-3" for="block3-1-1"></label>
  <input class="player-1 middle second-column top first-row turn-3" id="block3-1-2" type="radio"/>
  <label class="turn-3" for="block3-1-2"></label>
  <input class="player-1 right third-column top first-row second-diagonal turn-3" id="block3-1-3" type="radio"/>
  <label class="turn-3" for="block3-1-3"></label>
  <input class="player-1 left first-column center second-row turn-3" id="block3-2-1" type="radio"/>
  <label class="turn-3" for="block3-2-1"></label>
  <input class="player-1 middle second-column center second-row first-diagonal second-diagonal turn-3" id="block3-2-2" type="radio"/>
  <label class="turn-3" for="block3-2-2"></label>
  <input class="player-1 right third-column center second-row turn-3" id="block3-2-3" type="radio"/>
  <label class="turn-3" for="block3-2-3"></label>
  <input class="player-1 left first-column bottom third-row second-diagonal turn-3" id="block3-3-1" type="radio"/>
  <label class="turn-3" for="block3-3-1"></label>
  <input class="player-1 middle second-column bottom third-row turn-3" id="block3-3-2" type="radio"/>
  <label class="turn-3" for="block3-3-2"></label>
  <input class="player-1 right third-column bottom third-row first-diagonal turn-3" id="block3-3-3" type="radio"/>
  <label class="turn-3" for="block3-3-3"></label>
  <input class="player-2 left first-column top first-row first-diagonal turn-4" id="block4-1-1" type="radio"/>
  <label class="turn-4" for="block4-1-1"></label>
  <input class="player-2 middle second-column top first-row turn-4" id="block4-1-2" type="radio"/>
  <label class="turn-4" for="block4-1-2"></label>
  <input class="player-2 right third-column top first-row second-diagonal turn-4" id="block4-1-3" type="radio"/>
  <label class="turn-4" for="block4-1-3"></label>
  <input class="player-2 left first-column center second-row turn-4" id="block4-2-1" type="radio"/>
  <label class="turn-4" for="block4-2-1"></label>
  <input class="player-2 middle second-column center second-row first-diagonal second-diagonal turn-4" id="block4-2-2" type="radio"/>
  <label class="turn-4" for="block4-2-2"></label>
  <input class="player-2 right third-column center second-row turn-4" id="block4-2-3" type="radio"/>
  <label class="turn-4" for="block4-2-3"></label>
  <input class="player-2 left first-column bottom third-row second-diagonal turn-4" id="block4-3-1" type="radio"/>
  <label class="turn-4" for="block4-3-1"></label>
  <input class="player-2 middle second-column bottom third-row turn-4" id="block4-3-2" type="radio"/>
  <label class="turn-4" for="block4-3-2"></label>
  <input class="player-2 right third-column bottom third-row first-diagonal turn-4" id="block4-3-3" type="radio"/>
  <label class="turn-4" for="block4-3-3"></label>
  <input class="player-1 left first-column top first-row first-diagonal turn-5" id="block5-1-1" type="radio"/>
  <label class="turn-5" for="block5-1-1"></label>
  <input class="player-1 middle second-column top first-row turn-5" id="block5-1-2" type="radio"/>
  <label class="turn-5" for="block5-1-2"></label>
  <input class="player-1 right third-column top first-row second-diagonal turn-5" id="block5-1-3" type="radio"/>
  <label class="turn-5" for="block5-1-3"></label>
  <input class="player-1 left first-column center second-row turn-5" id="block5-2-1" type="radio"/>
  <label class="turn-5" for="block5-2-1"></label>
  <input class="player-1 middle second-column center second-row first-diagonal second-diagonal turn-5" id="block5-2-2" type="radio"/>
  <label class="turn-5" for="block5-2-2"></label>
  <input class="player-1 right third-column center second-row turn-5" id="block5-2-3" type="radio"/>
  <label class="turn-5" for="block5-2-3"></label>
  <input class="player-1 left first-column bottom third-row second-diagonal turn-5" id="block5-3-1" type="radio"/>
  <label class="turn-5" for="block5-3-1"></label>
  <input class="player-1 middle second-column bottom third-row turn-5" id="block5-3-2" type="radio"/>
  <label class="turn-5" for="block5-3-2"></label>
  <input class="player-1 right third-column bottom third-row first-diagonal turn-5" id="block5-3-3" type="radio"/>
  <label class="turn-5" for="block5-3-3"></label>
  <input class="player-2 left first-column top first-row first-diagonal turn-6" id="block6-1-1" type="radio"/>
  <label class="turn-6" for="block6-1-1"></label>
  <input class="player-2 middle second-column top first-row turn-6" id="block6-1-2" type="radio"/>
  <label class="turn-6" for="block6-1-2"></label>
  <input class="player-2 right third-column top first-row second-diagonal turn-6" id="block6-1-3" type="radio"/>
  <label class="turn-6" for="block6-1-3"></label>
  <input class="player-2 left first-column center second-row turn-6" id="block6-2-1" type="radio"/>
  <label class="turn-6" for="block6-2-1"></label>
  <input class="player-2 middle second-column center second-row first-diagonal second-diagonal turn-6" id="block6-2-2" type="radio"/>
  <label class="turn-6" for="block6-2-2"></label>
  <input class="player-2 right third-column center second-row turn-6" id="block6-2-3" type="radio"/>
  <label class="turn-6" for="block6-2-3"></label>
  <input class="player-2 left first-column bottom third-row second-diagonal turn-6" id="block6-3-1" type="radio"/>
  <label class="turn-6" for="block6-3-1"></label>
  <input class="player-2 middle second-column bottom third-row turn-6" id="block6-3-2" type="radio"/>
  <label class="turn-6" for="block6-3-2"></label>
  <input class="player-2 right third-column bottom third-row first-diagonal turn-6" id="block6-3-3" type="radio"/>
  <label class="turn-6" for="block6-3-3"></label>
  <input class="player-1 left first-column top first-row first-diagonal turn-7" id="block7-1-1" type="radio"/>
  <label class="turn-7" for="block7-1-1"></label>
  <input class="player-1 middle second-column top first-row turn-7" id="block7-1-2" type="radio"/>
  <label class="turn-7" for="block7-1-2"></label>
  <input class="player-1 right third-column top first-row second-diagonal turn-7" id="block7-1-3" type="radio"/>
  <label class="turn-7" for="block7-1-3"></label>
  <input class="player-1 left first-column center second-row turn-7" id="block7-2-1" type="radio"/>
  <label class="turn-7" for="block7-2-1"></label>
  <input class="player-1 middle second-column center second-row first-diagonal second-diagonal turn-7" id="block7-2-2" type="radio"/>
  <label class="turn-7" for="block7-2-2"></label>
  <input class="player-1 right third-column center second-row turn-7" id="block7-2-3" type="radio"/>
  <label class="turn-7" for="block7-2-3"></label>
  <input class="player-1 left first-column bottom third-row second-diagonal turn-7" id="block7-3-1" type="radio"/>
  <label class="turn-7" for="block7-3-1"></label>
  <input class="player-1 middle second-column bottom third-row turn-7" id="block7-3-2" type="radio"/>
  <label class="turn-7" for="block7-3-2"></label>
  <input class="player-1 right third-column bottom third-row first-diagonal turn-7" id="block7-3-3" type="radio"/>
  <label class="turn-7" for="block7-3-3"></label>
  <input class="player-2 left first-column top first-row first-diagonal turn-8" id="block8-1-1" type="radio"/>
  <label class="turn-8" for="block8-1-1"></label>
  <input class="player-2 middle second-column top first-row turn-8" id="block8-1-2" type="radio"/>
  <label class="turn-8" for="block8-1-2"></label>
  <input class="player-2 right third-column top first-row second-diagonal turn-8" id="block8-1-3" type="radio"/>
  <label class="turn-8" for="block8-1-3"></label>
  <input class="player-2 left first-column center second-row turn-8" id="block8-2-1" type="radio"/>
  <label class="turn-8" for="block8-2-1"></label>
  <input class="player-2 middle second-column center second-row first-diagonal second-diagonal turn-8" id="block8-2-2" type="radio"/>
  <label class="turn-8" for="block8-2-2"></label>
  <input class="player-2 right third-column center second-row turn-8" id="block8-2-3" type="radio"/>
  <label class="turn-8" for="block8-2-3"></label>
  <input class="player-2 left first-column bottom third-row second-diagonal turn-8" id="block8-3-1" type="radio"/>
  <label class="turn-8" for="block8-3-1"></label>
  <input class="player-2 middle second-column bottom third-row turn-8" id="block8-3-2" type="radio"/>
  <label class="turn-8" for="block8-3-2"></label>
  <input class="player-2 right third-column bottom third-row first-diagonal turn-8" id="block8-3-3" type="radio"/>
  <label class="turn-8" for="block8-3-3"></label>
  <input class="player-1 left first-column top first-row first-diagonal turn-9" id="block9-1-1" type="radio"/>
  <label class="turn-9" for="block9-1-1"></label>
  <input class="player-1 middle second-column top first-row turn-9" id="block9-1-2" type="radio"/>
  <label class="turn-9" for="block9-1-2"></label>
  <input class="player-1 right third-column top first-row second-diagonal turn-9" id="block9-1-3" type="radio"/>
  <label class="turn-9" for="block9-1-3"></label>
  <input class="player-1 left first-column center second-row turn-9" id="block9-2-1" type="radio"/>
  <label class="turn-9" for="block9-2-1"></label>
  <input class="player-1 middle second-column center second-row first-diagonal second-diagonal turn-9" id="block9-2-2" type="radio"/>
  <label class="turn-9" for="block9-2-2"></label>
  <input class="player-1 right third-column center second-row turn-9" id="block9-2-3" type="radio"/>
  <label class="turn-9" for="block9-2-3"></label>
  <input class="player-1 left first-column bottom third-row second-diagonal turn-9" id="block9-3-1" type="radio"/>
  <label class="turn-9" for="block9-3-1"></label>
  <input class="player-1 middle second-column bottom third-row turn-9" id="block9-3-2" type="radio"/>
  <label class="turn-9" for="block9-3-2"></label>
  <input class="player-1 right third-column bottom third-row first-diagonal turn-9" id="block9-3-3" type="radio"/>
  <label class="turn-9" for="block9-3-3"></label>
  <div class="end">
    <h3></h3><a href="">再起動</a>
  </div>
</div>
<h5>注: 最適なエクスペリエンスを得るには、フル ページ表示を使用してください。</h5>

@charset "UTF-8";
/* 変数
-------------------------------------------------------------- */
/* 本文と通知のスタイル
-------------------------------------------------------------- */
体 {
  色: #b6b5ca;
  フォントファミリ: 'Arial'、サンセリフ;
  マージン: 0;
  テキスト配置: 中央;
}

h5 {
  フォントの太さ: 400;
  パディング: 0 20px;
}

/* 三目並べゲーム
-------------------------------------------------------------- */
.tic-tac-toe {
  フォントファミリー: 'Open Sans'、サンセリフ;
  高さ: 300px;
  オーバーフロー: 非表示;
  マージン: 50px 自動 30px 自動;
  位置: 相対的;
  幅: 300ピクセル;
}
@media (最小幅: 450px) {
  .tic-tac-toe {
    高さ: 450px;
    幅: 450ピクセル;
  }
}
.tic-tac-toe入力[type="radio"] {
  表示: なし;
}
.tic-tac-toe 入力[type="radio"]:チェック済み + ラベル {
  カーソル: デフォルト;
  z-index: 10 !重要;
}
.tic-tac-toe input[type="radio"].player-1 + label:after {
  内容: "";
}
.tic-tac-toe input[type="radio"].player-2 + label:after {
  内容: "";
}
.tic-tac-toe input[type="radio"].player-1:checked + label:after、.tic-tac-toe input[type="radio"].player-2:checked + label:after {
  不透明度: 1;
}
.tic-tac-toe 入力[type="radio"].player-1:checked + ラベル {
  背景色: #dc685a;
}
.tic-tac-toe input[type="radio"].player-2:checked + label {
  背景色: #ecaf4f;
}
.tic-tac-toe 入力[type="radio"].turn-1 + ラベル {
  zインデックス: 1;
}
.tic-tac-toe 入力[type="radio"].turn-2 + ラベル {
  zインデックス: 2;
}
.tic-tac-toe 入力[type="radio"].turn-3 + ラベル {
  zインデックス: 3;
}
.tic-tac-toe 入力[type="radio"].turn-4 + ラベル {
  zインデックス: 4;
}
.tic-tac-toe 入力[type="radio"].turn-5 + ラベル {
  zインデックス: 5;
}
.tic-tac-toe 入力[type="radio"].turn-6 + ラベル {
  zインデックス: 6;
}
.tic-tac-toe 入力[type="radio"].turn-7 + ラベル {
  zインデックス: 7;
}
.tic-tac-toe 入力[type="radio"].turn-8 + ラベル {
  zインデックス: 8;
}
.tic-tac-toe 入力[type="radio"].turn-9 + ラベル {
  zインデックス: 9;
}
.tic-tac-toe 入力[type="radio"].turn-1 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-1:checked ~ .turn-2 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-2:checked ~ .turn-3 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-3:checked ~ .turn-4 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-4:checked ~ .turn-5 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-5:checked ~ .turn-6 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-6:checked ~ .turn-7 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-7:checked ~ .turn-8 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].turn-8:checked ~ .turn-9 + ラベル {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"].left + ラベル {
  左: 0;
}
.tic-tac-toe 入力[type="radio"].top + ラベル {
  上: 0;
}
.tic-tac-toe 入力[type="radio"].middle + ラベル {
  左: 100px;
}
.tic-tac-toe 入力[type="radio"].right + ラベル {
  左: 200px;
}
.tic-tac-toe 入力[type="radio"].center + ラベル {
  上: 100px;
}
.tic-tac-toe 入力[type="radio"].bottom + ラベル {
  上: 200px;
}
@media (最小幅: 450px) {
  .tic-tac-toe 入力[type="radio"].middle + ラベル {
    左: 150px;
  }
  .tic-tac-toe 入力[type="radio"].right + ラベル {
    左: 300ピクセル;
  }
  .tic-tac-toe 入力[type="radio"].center + ラベル {
    上: 150px;
  }
  .tic-tac-toe 入力[type="radio"].bottom + ラベル {
    上: 300px;
  }
}
.tic-tac-toe 入力[type="radio"]:チェック済み ~ 入力[type="radio"]:チェック済み ~ 入力[type="radio"]:チェック済み ~
input[type="radio"]:checked ~ input[type="radio"]:checked ~ input[type="radio"]:checked ~
input[type="radio"]:checked ~ input[type="radio"]:checked ~ input[type="radio"]:checked ~ .end {
  表示: ブロック;
}
.tic-tac-toe 入力[type="radio"]:チェック済み ~ 入力[type="radio"]:チェック済み ~ 入力[type="radio"]:チェック済み ~
input[type="radio"]:checked ~ input[type="radio"]:checked ~ input[type="radio"]:checked ~
input[type="radio"]:checked ~ input[type="radio"]:checked ~ input[type="radio"]:checked ~ .end > h3:before {
  内容: 「同点です！」
}
.tic-tac-toe .player-1.first-column:checked ~ .player-1.first-column:checked ~ .player-1.first-column:checked ~ .end,
.tic-tac-toe .player-1.second-column:checked ~ .player-1.second-column:checked ~ .player-1.second-column:checked ~ .end,
.tic-tac-toe .player-1.third-column:checked ~ .player-1.third-column:checked ~ .player-1.third-column:checked ~ .end,
.tic-tac-toe .player-1.first-row:checked ~ .player-1.first-row:checked ~ .player-1.first-row:checked ~ .end,
.tic-tac-toe .player-1.second-row:checked ~ .player-1.second-row:checked ~ .player-1.second-row:checked ~ .end,
.tic-tac-toe .player-1.third-row:checked ~ .player-1.third-row:checked ~ .player-1.third-row:checked ~ .end,
.tic-tac-toe .player-1.first-diagonal:checked ~ .player-1.first-diagonal:checked ~ .player-1.first-diagonal:checked ~ .end,
.tic-tac-toe .player-1.second-diagonal:checked ~ .player-1.second-diagonal:checked ~ .player-1.second-diagonal:checked ~ .end {
  表示: ブロック;
}
.tic-tac-toe .player-1.first-column:checked ~ .player-1.first-column:checked ~ .player-1.first-column:checked ~ .end h3:before,
.tic-tac-toe .player-1.second-column:checked ~ .player-1.second-column:checked ~ .player-1.second-column:checked ~ .end h3:before,
.tic-tac-toe .player-1.third-column:checked ~ .player-1.third-column:checked ~ .player-1.third-column:checked ~ .end h3:before,
.tic-tac-toe .player-1.first-row:checked ~ .player-1.first-row:checked ~ .player-1.first-row:checked ~ .end h3:before,
.tic-tac-toe .player-1.second-row:checked ~ .player-1.second-row:checked ~ .player-1.second-row:checked ~ .end h3:before,
.tic-tac-toe .player-1.third-row:checked ~ .player-1.third-row:checked ~ .player-1.third-row:checked ~ .end h3:before,
.tic-tac-toe .player-1.first-diagonal:checked ~ .player-1.first-diagonal:checked ~ .player-1.first-diagonal:checked ~ .end h3:before,
.tic-tac-toe .player-1.second-diagonal:checked ~ .player-1.second-diagonal:checked ~ .player-1.second-diagonal:checked ~ .end h3:before {
  内容: "プレイヤー1が勝利しました!" !important;
}
.tic-tac-toe .player-2.first-column:checked ~ .player-2.first-column:checked ~ .player-2.first-column:checked ~ .end,
.tic-tac-toe .player-2.second-column:checked ~ .player-2.second-column:checked ~ .player-2.second-column:checked ~ .end,
.tic-tac-toe .player-2.third-column:checked ~ .player-2.third-column:checked ~ .player-2.third-column:checked ~ .end,
.tic-tac-toe .player-2.first-row:checked ~ .player-2.first-row:checked ~ .player-2.first-row:checked ~ .end,
.tic-tac-toe .player-2.second-row:checked ~ .player-2.second-row:checked ~ .player-2.second-row:checked ~ .end,
.tic-tac-toe .player-2.third-row:checked ~ .player-2.third-row:checked ~ .player-2.third-row:checked ~ .end,
.tic-tac-toe .player-2.first-diagonal:checked ~ .player-2.first-diagonal:checked ~ .player-2.first-diagonal:checked ~ .end,
.tic-tac-toe .player-2.second-diagonal:checked ~ .player-2.second-diagonal:checked ~ .player-2.second-diagonal:checked ~ .end {
  表示: ブロック;
}
.tic-tac-toe .player-2.first-column:checked ~ .player-2.first-column:checked ~ .player-2.first-column:checked ~ .end h3:before,
.tic-tac-toe .player-2.second-column:checked ~ .player-2.second-column:checked ~ .player-2.second-column:checked ~ .end h3:before,
.tic-tac-toe .player-2.third-column:checked ~ .player-2.third-column:checked ~ .player-2.third-column:checked ~ .end h3:before,
.tic-tac-toe .player-2.first-row:checked ~ .player-2.first-row:checked ~ .player-2.first-row:checked ~ .end h3:before,
.tic-tac-toe .player-2.second-row:checked ~ .player-2.second-row:checked ~ .player-2.second-row:checked ~ .end h3:before,
.tic-tac-toe .player-2.third-row:checked ~ .player-2.third-row:checked ~ .player-2.third-row:checked ~ .end h3:before,
.tic-tac-toe .player-2.first-diagonal:checked ~ .player-2.first-diagonal:checked ~ .player-2.first-diagonal:checked ~ .end h3:before,
.tic-tac-toe .player-2.second-diagonal:checked ~ .player-2.second-diagonal:checked ~ .player-2.second-diagonal:checked ~ .end h3:before {
  内容: "プレイヤー2が勝利しました!" !important;
}
.tic-tac-toe ラベル {
  背景色: #78bec5;
  境界線の半径: 14px;
  カーソル: ポインタ;
  色: #fff;
  表示: なし;
  高さ: 90px;
  マージン: 5px;
  位置: 絶対;
  幅: 90ピクセル;
  -moz-transition: 背景色 0.3 秒;
  -o-transition: 背景色 0.3 秒;
  -webkit-transition: 背景色 0.3 秒;
  トランジション: 背景色 0.3 秒;
}
@media (最小幅: 450px) {
  .tic-tac-toe ラベル {
    高さ: 140px;
    幅: 140ピクセル;
  }
}
.tic-tac-toe ラベル:hover {
  背景色: #3d4250;
}
.tic-tac-toe ラベル:hover:after {
  不透明度: .4;
}
.tic-tac-toe ラベル:after {
  左: 0;
  フォントファミリー: "FontAwesome";
  フォントサイズ: 45px;
  上マージン: -22.5px;
  不透明度: 0;
  位置: 絶対;
  テキスト配置: 中央;
  テキストシャドウ: 2px 2px 4px rgba(0, 0, 0, 0.2);
  上位: 50%;
  幅: 100%;
}
@media (最小幅: 450px) {
  .tic-tac-toe ラベル:after {
    フォントサイズ: 70px;
    上マージン: -35px;
  }
}
.tic-tac-toe .end {
  背景: rgba(255, 255, 255, 0.8);
  下: 5px;
  色: #3d4250;
  表示: なし;
  左: 5px;
  パディング上部: 55px;
  位置: 絶対;
  右: 5px;
  上: 5px;
  テキスト配置: 中央;
  zインデックス: 11;
}
@media (最小幅: 450px) {
  .tic-tac-toe .end {
    パディング上部: 110px;
  }
}
.tic-tac-toe .end h3 {
  フォントサイズ: 30px;
  フォントの太さ: 300;
}
@media (最小幅: 450px) {
  .tic-tac-toe .end h3 {
    フォントサイズ: 40px;
  }
}
.tic-tac-toe .end a {
  背景色: #3d4250;
  境界線の半径: 4px;
  色: #fff;
  パディング: 14px 45px;
  テキスト装飾: なし;
  -moz-transition: 背景色 0.2 秒;
  -o-transition: 背景色 0.2 秒;
  -webkit-transition: 背景色 0.2 秒;
  トランジション: 背景色 0.2 秒;
}
.tic-tac-toe .end a:hover {
  背景色: #262934;
  カーソル: ポインタ;