.popup{display:none;position:fixed;z-index:9999;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.8);text-align:center}.popup-content{max-width:80%;max-height:80%;margin-top:5%;border-radius:8px}.close{position:absolute;top:15px;right:35px;color:white;font-size:40px;font-weight:bold;cursor:pointer}