#lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.9);justify-content:center;align-items:center;z-index:9999;overflow:hidden}#lightbox.show{display:flex}#lightbox img,#lightbox video{max-width:80vw;max-height:80vh}#lightbox .close-btn{position:absolute;top:20px;right:20px;font-size:35px;color:#fff;cursor:pointer;user-select:none}#lightbox .nav-btn{position:absolute;top:50%;transform:translateY(-50%);font-size:40px;color:#fff;cursor:pointer;user-select:none;padding:15px}#lightbox .prev{left:20px}#lightbox .next{right:20px}@media screen and (max-width:750px){#lightbox .close-btn{top:15px;right:15px;font-size:25px}#lightbox .prev{left:0;font-size:35px;padding:10px}#lightbox .next{right:0;font-size:35px;padding:10px}}