@media screen and (max-width: 640px) {
    #landingHero {
        padding-top: 150px !important;
    }

    .banner-img{
        height: 150px !important;
    }
}

@media screen and (min-width: 641px) {

    #landingHero {
        padding-top: 120px !important;
    }

    .banner-img{
        height: 300px !important;
    }
}