#modal {
  background: #1c1c1cef;
  width: 100%;
  height: 100%;
  z-index: 50;
  position: fixed;
  top: 0;
  padding: 24px;
  overflow-y: scroll;
}

#modal.hidden {
  display: none;
}

#modal .modal-content {
  margin: 64px auto;
  max-width: 420px;
}

#modal .modal-content a {
  text-decoration: underline;
}