.popup{display:block;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border:1px solid #ccc;padding:20px;box-shadow:0 0 10px rgba(0,0,0,.2);z-index:1000}.copy-button{margin-top:10px;background:#4299e1;color:#fff;padding:5px 10px;border:none;border-radius:4px;cursor:pointer}#container{border:5px solid #000;border-radius:25px;width:50%;cursor:pointer}#container:hover{border-color:#ccc}