/** LIGHTBOX MARKUP **/

.lightbox {
  /** Default lightbox to hidden */
  display: none;

  /** Position and style */
  position: fixed;
  z-index: 999;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.8);
}

.lightbox img {
  /** Pad the lightbox image */
  max-width: 90%;
  max-height: 80%;
  margin-top: 5%;
}

.lightbox:target {
  /** Remove default browser outline */
  outline: none;

  /** Unhide lightbox **/
  display: block;
}