#modalLogin {
      position: fixed;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      opacity: 0;
      visibility: hidden;
      transform: scale(1.1);
      transition: visibility 0s linear 0.25s, opacity 0.25s 0s, transform 0.25s;
      z-index: 9999999;
      display:none;
    }

  .modal-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      box-sizing: border-box;
      background:#fff;
  }

  .modal-content iframe {
    width:100%;
    min-height:500px;
    max-height: 100vh;
  }

  #modalLogin .close-button {
      float: right;
      width: 1.5rem;
      line-height: 25px;
      text-align: center;
      cursor: pointer;
      color: #000;
      font-size: 28px;
      font-weight: 400;
      position: absolute;
      top: 5px;
      right: 5px;
      z-index: 99999;
  }

  #modalLogin.show-modal {
      opacity: 1;
      visibility: visible;
      transform: scale(1.0);
      display:block;
      transition: visibility 0s linear 0s, opacity 0.25s 0s, transform 0.25s;
  }

  #modalLogin.show-modal .modal-content{
      opacity: 1;
  }

@media only screen and (max-width: 640px)  {

  #modalLogin {
    z-index:999999999999999999999999999999;
  }

  .modal-content {
    width: calc(100% - 20px);
  }
}