#pantalla-inicio{
    background: linear-gradient( rgba(0, 0, 0, .9), rgba(0, 0, 0, .1)), url("/img/servicios-gestion-de-propiedades-y-activos-seguridad-y-salud.png");
    background-size: cover;
    background-position: center center;
    height: 70vh;
}