.popup{display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:white;padding:20px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,0.3);text-align:center}.popup-content img{width:50px;margin:10px}.close-btn{cursor:pointer;font-size:20px;color:red;position:absolute;top:5px;right:10px}