#popup-personalizado{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:99999;background-color:rgba(0,0,0,0.8)}.popup-contenido{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#ffffff;padding:30px;border-radius:10px;width:80%;max-width:600px;box-shadow:0 5px 15px rgba(0,0,0,0.3)}.cerrar-popup{position:absolute;top:15px;right:20px;font-size:30px;color:#333333;cursor:pointer;line-height:1}.cerrar-popup:hover{color:#ff0000}