#lightbox {
  display: none; // Hidden by default
  position: fixed;
  top: 20px; left: 0; width: 100%; height: 100%;
      background-color: rgba(0,0,0,0.9);
}

#lightbox img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain; // Maintains aspect ratio [5]

  
  
}

@media print {
    html, body {
       display: none;  /* hide whole page */
    }
}