/* Thiết lập giao diện cho nút tạm dừng và play */
      .tdk-music {
        position: fixed;
        z-index: 99999;
        left: 0;
        bottom: 0;
        width: 90px;
        height: 90px;
      }

      .tdk-music svg {
        fill: white;
        position: absolute;
        top: calc(50% - 20px);
        left: calc(50% - 20px);
        width: 40px;
        height: 40px;
      }

      .tdk-bg-player {
        width: 65px;
        height: 65px;
        top: 12px;
        left: 12px;
        position: absolute;
        box-shadow: 0 0 0 0 #c31d1d;
        background-color: rgba(121, 113, 113, 1);
        border-radius: 50%;
        border: 2px solid transparent;
        transition: all 0.5s;
        transform-origin: 50% 50%;
      }

      .tdk-player-text {
        color: white;
        white-space: nowrap;
        position: absolute;
        top: 25px;
        left: 21px;
        height: 40px;
        line-height: 40px;
        background-color: rgba(121, 113, 113, 1);
        padding: 0 10px 0 60px;
        border-radius: 30px;
      }

      .tdk-music .tdk-icon-pause {
        display: none;
      }

      .tdk-music.playing .tdk-bg-player {
        animation: zoom 1.3s infinite;
      }

      .tdk-music.playing .tdk-icon-play {
        display: none;
      }

      .tdk-music.playing .tdk-icon-pause {
        display: inline;
      }

      @keyframes zoom {
        0% {
          transform: scale(0.9);
        }

        70% {
          transform: scale(1);
          box-shadow: 0 0 0 15px transparent;
        }

        100% {
          transform: scale(0.9);
          box-shadow: 0 0 0 0 transparent;
        }
      }