@media (min-width: 768px) {
    .bg-diplomado-comercial-ventas {
        background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(https://upc-cdn.b-cdn.net/web-postgrado/landings/diplomas-de-especializacion/marketing-y-gestion-comercial/gestion-comercial-y-ventas-modernas/assets/images/bg-mobile.webp);
    }
}

.bg-diplomado-comercial-ventas {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(https://upc-cdn.b-cdn.net/web-postgrado/landings/diplomas-de-especializacion/marketing-y-gestion-comercial/gestion-comercial-y-ventas-modernas/assets/images/bg-desktop.webp);
}