.modal {
    position: fixed;
    background: rgba(0, 0, 0, .6);
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  
  .modal-header  {
    background: white;
    padding: 20px 30px 20px 30px;
    width: 600px;
    border-radius: 5px 5px 0px 0px;
    border-bottom: 1px solid #ddd;
  }

  .modal-content {
    width: 600px;
    height: 400px;
    background: white;
    padding: 20px 30px 20px 30px;
    overflow-y: auto;
  }

  .modal-footer {
    background: white;
    padding: 20px 30px 20px 30px;
    width: 600px;
    border-radius: 0px 0px 5px 5px;
    border-top: 1px solid #ddd;
    background-color: #f5f5f5;
    text-align: right;
  }

  .close {
    float: right;
    font-size: 20px;
    font-weight: bold;
    line-height: 20px;
    color: #000000;
    text-shadow: 0 1px 0 #ffffff;
    opacity: 0.2;
    filter: alpha(opacity=20);
  }

  .modal-content ul {
    list-style-type:none;
   }