.bannerDiciembre {
    background-image: url("https://www.nizacars.com/imgs/promo/diciembre_desktop_de.png");
}
/*
.bannerHalloween {
    background-image: url("https://www.nizacars.com/imgs/promo/promo_halloween_desktop_de.png");
}

.bannerBlackMonth {
    background-image: url("https://www.nizacars.com/imgs/promo/black_month_desktop_de.png");
}

.bannerBlackFriday {
    background-image: url("https://www.nizacars.com/imgs/promo/black_friday_desktop_de.png");
}*/

@media(max-width:1200px) {
    .bannerDiciembre {
        background-image: url("https://www.nizacars.com/imgs/promo/diciembre_tablet_de.png");
    }
    /*
    .bannerHalloween {
        background-image: url("https://www.nizacars.com/imgs/promo/promo_halloween_tablet_de.png");
    }

    .bannerBlackMonth {
        background-image: url("https://www.nizacars.com/imgs/promo/black_month_tablet_de.png");
    }

    .bannerBlackFriday {
        background-image: url("https://www.nizacars.com/imgs/promo/black_friday_tablet_de.png");
    }*/
}

@media(max-width:768px) {
    .bannerDiciembre {
        background-image: url("https://www.nizacars.com/imgs/promo/diciembre_mobile_de.png");
    }
    /*
    .bannerHalloween {
        background-image: url("https://www.nizacars.com/imgs/promo/promo_halloween_mobile_de.png");
    }

    .bannerBlackMonth {
        background-image: url("https://www.nizacars.com/imgs/promo/black_month_mobile_de.png");
    }

    .bannerBlackFriday {
        background-image: url("https://www.nizacars.com/imgs/promo/black_friday_mobile_de.png");
    }*/
}