#per-page-setting{
  .modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
    max-height: 100%;
  }

  .modal-content {
    background-color: #fff;
    margin: 10% auto;
    padding: 20px;
    border-radius: 6px;
    width: 400px;
    position: relative;
  }

  .modal-content .btn {
    background-color: #1976D2;
  }

  .modal-close {
    position: absolute;
    top: 8px;
    right: 12px;
    font-size: 24px;
    cursor: pointer;
  }
}