.main_banner_desktop,.main_banner_mobile {
    width: 100%;
    height: auto;
    position: absolute;
    top: 100px;
}

@media screen and (max-width: 415px) {
    .main_banner_desktop {
        display: none;
    }
}

@media screen and (min-width: 415px) {
    .main_banner_mobile {
        display: none;
    }
}