#lightbox-bimg {position: fixed;top: 0;left: 0;width: 100%;height: 100%;background: url(https://use-salvationarmy.org/js/lightbox/overlay.png) repeat;text-align: center;display: flex;justify-content: center;align-items: center;z-index: 1000;}#lightbox-bimg img {box-shadow: 0 0 25px #111;max-width: 80% !important;}