.bannerHero1{
    background-image: url("../img/custom/hero-banner2.jpg");
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
}
.bannerHero2{
    background-image: url("../img/custom/hero-banner4.jpg");
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
}
.bannerHero3{
    background-image: url("../img/custom/hero-banner3.jpg");
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
}
@media only screen and (max-width:768px)
{
 .bannerHero1{
    background-image: url("../img/custom/mobile-banner2.jpg");
}
.bannerHero2{
    background-image: url("../img/custom/mobile-banner4.jpg");
}
.bannerHero3{
    background-image: url("../img/custom/mobile-banner3.jpg");
}   
}