table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        .play-button {
            background-color: #4CAF50;
            border: none;
            color: white;
            padding: 10px 20px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            font-size: 16px;
            margin: 4px 2px;
            cursor: pointer;
            border-radius: 4px;
            width: 100px;
        }
        .play-button.playing {
            background-color: #f44336;
        }
        select {
            font-size: 16px;
            padding: 8px 12px;
            border: 1px solid #ccc;
            border-radius: 4px;
            background-color: white;
            width: 100%;
            max-width: 300px;
            display: block;
            margin: 20px auto;
        }
        .countdown {
            text-align: center;
            font-size: 24px;
            margin-top: 20px;
        }
        @media (max-width: 767px) {
            table th, table td {
                padding: 10px;
            }
            select {
                font-size: 14px;
            }
            .countdown {
                font-size: 18px;
            }
            .play-button {
                width: 80px;
                padding: 8px 16px;
                font-size: 14px;
            }
        }