.zoom{cursor:zoom-in;height:auto;width:300px}#lb-back,.zoom{transition:all .4s ease-in-out}#lb-back{background:rgba(0,0,0,.8);height:100vh;left:0;opacity:0;position:fixed;top:0;visibility:hidden;width:100vw;z-index:999}#lb-back.show{opacity:1;visibility:visible}#lb-img{position:relative;text-align:center;top:50%;transform:translateY(-50%)}#lb-img img{cursor:zoom-out;height:auto;margin:0 auto;max-width:1200px;width:100%!important}