/* #contenedorMensaje {
    position: absolute;
    width: 30%;
    height: 10%;
    left: 35%;
    top: 20%;
    background-color: white;
    text-align: center;
    font-size: 20px;
}

#cerrar {
    width: 10%;
    position: absolute;
    top: 0%;
    left: 90%;
}

#cerrar button {
    font-size: 20px;
    background: red;
    border-color: transparent;
    border-radius: 50px;
}*/