#popup-banner{position:fixed;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:1000;display:flex;justify-content:center;align-items:center}#popup-content{background-color:transparent;padding:20px;border-radius:5px;box-shadow:0 0 10px rgba(0,0,0,.1);text-align:center;position:relative}#popup-content img{max-width:100%;height:auto;display:block;margin:0 auto}#popup-close{position:absolute;top:10px;right:10px;font-size:20px;cursor:pointer;color:#fff}