/** 
    From https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_modal
**/
/* The Modal (background) */
.modal {
  display:none; /* Hidden by default */
  position:fixed; /* Stay in place */
  z-index:100; /* Sit on top */
  left:0;
  top:0;
  width:100%; /* Full width */
  height:100%; /* Full height */
  overflow:auto; /* Enable scroll if needed */
  background-color:#f2f2f2; /* Fallback color */
  background-color:rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
  background-color:#f2f2f2;
  margin:15% auto;
  padding:20px;
  border:1px solid #888;
  border-radius:10px;
  width:70%;
}

/* The Close Button */
.modal-close {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.modal-close:hover,
.modal-close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}