footer .modal {
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0, 0, 0); /* Fallback color */
  background-color: rgba(0, 0, 0, 0.6); /* Black w/ opacity */

  .modal-content {
    background: ghostwhite;
    margin: 10% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    width: 80%; /* Could be more or less, depending on screen size */
  }

  input[readonly] {
    outline: none;
    border: none;
    background: transparent;
    color: #666;
  }

  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }

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