.home-banner{ background: url("images/Homepage_Header_d.jpg") no-repeat; background-size: contain; width: 100%; height: 0; padding-top: 30%; border-top: 3px solid #00b3e3; }

@media (max-width: 767px) {
    .home-banner{ background: url("images/Homepage_Header_m.jpg") no-repeat; background-size: contain; width: 100%; height: 0; padding-top: 115%; border-top: 3px solid #00b3e3; }
}

@media (min-width: 768px) and (max-width: 991px) {
    .home-banner{ background: url("images/Homepage_Header_v.jpg") no-repeat; background-size: contain; width: 100%; height: 0; padding-top: 80%; border-top: 3px solid #00b3e3; }
}