body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
        }
        .warning {
            background-color: red;
            color: white;
            padding: 10px;
            font-size: 18px;
            font-weight: bold;
        }
        .game-list {
            margin-top: 20px;
        }
        .game-button {
            display: block;
            margin: 10px auto;
            padding: 10px 20px;
            font-size: 16px;
            background-color: #007bff;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 5px;
        }
        .game-button:hover {
            background-color: #0056b3;
        }
        .disabled-message {
            display: none;
            font-size: 24px;
            font-weight: bold;
            color: red;
            margin-top: 20px;
        }