.video-js {
    width: 修改的宽度;
    height: 修改的高度;
  }
  .video-js * {
    outline: 0;
  }
  .video-js .vjs-big-play-button {
    height: 1.63em !important;
    width: 1.63em !important;
    border: 0 !important;
    top: 50% !important;
    left: 50% !important;
    border-radius: 50%;
    margin: -0.82em 0 0 -0.82em;
    background-color: transparent !important;
    background-image: url(https://img.zconnect.cn/ad/playBigBtn@2x.png);
    background-size: contain;
  }
  .video-js .vjs-big-play-button .vjs-icon-placeholder {
    display: none;
  }