/* Modal container */
  .tsys-modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    overflow: auto;
  }

  /* Modal content */
  .tsys-modal-content {
    background-color: #f4f4f4;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  }

  /* Modal header */
  .tsys-modal-header {
    text-align: center;
  }

  /* Close button */
  .tsys-close {
    color: #888;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
  }

  /* Modal body */
  .tsys-modal-body {
    text-align: center;
  }

  /* Modal footer */
  .tsys-modal-footer {
    text-align: center;
  }