#popup {
  
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 2147483647;
      display: flex;
    }

    .popup-content {
      position: absolute;
      background-color: #fff;
      width:100%;
      height: 100%;
      overflow: auto;
    }