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

.lightbox:target {
  display: flex;
  justify-content: center;
  align-items: center;
}

.close-all {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
  cursor: zoom-out;
}

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
  display: block;
}