#lightbox {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999999;
}
#lightbox img {
  max-width: 90%;
  max-height: 90%;
}
#lightbox-close {
  position: absolute;
  top: 20px; right: 30px;
  font-size: 40px;
  color: #fff;
  cursor: pointer;
}
.zoom-thumb {
  cursor: zoom-in;
}