/* cf. https://stackoverflow.com/questions/52175436/modal-window-pure-css */
.modal {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  opacity: 0;
  z-index: 99;
  transition: opacity 400ms ease-in;
  pointer-events: none;
}
.modal:target {
  opacity: 1;
  pointer-events: auto;
}

/*
.modal > wrapper {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}
*/
.modal img {
  max-height: calc(100vh - 200px);
  overflow-y: auto;
  display: block;
}

.modal__close {
  position: absolute;
  top: -10px;
  right: -12px;
  background: #797979;
  color: #ffffff;
  text-decoration: none;
  line-height: 25px;
  text-align: center;
  width: 24px;
}