/* Lightbox overlay background */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox-overlay img {
  max-width: 90%;
  max-height: 90%;
  box-shadow: 0 0 15px #000;
  border-radius: 4px;
  border: 3px solid #333;
  background-color: #222;
}