.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
}

.lightbox img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox:target {
    outline: none;
    display: block; }