.modal-window {
    position: fixed;
    background-color: rgba(200, 200, 200, 0.75);
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
    border-radius: 20px;
  }
  
  .modal-window:target {
    opacity: 1;
    pointer-events: auto;
  }
  
  .modal-window > div {
    width: 400px;
    position: relative;
    margin: 10% auto;
    padding: 1.5rem;
    background: #fff;
    color: #444;
  }
  
  .modal-window header {
    font-weight: bold;
  }
  
  .modal-close {
    /* color: #aaa; */
    /* line-height: 50px; */
    font-size: 80%;
    /* position: absolute; */
    right: 0;
    text-align: center;
    top: 0;
    /* width: 70px; */
    text-decoration: none;
  }
  
  .modal-btn {
    /* color: #aaa; */
    /* line-height: 50px; */
    font-size: 80%;
    /* position: absolute; */
    right: 0;
    text-align: center;
    top: 0;
    /* width: 70px; */
    text-decoration: none;
  }

  .modal-close:hover {
    color: #000;
  }
  
  .modal-window h1 {
    font-size: 150%;
    margin: 0 0 15px;
  }