.banner-wrapper {
    position: relative;
    overflow: hidden;
}

    .banner-wrapper .branding {
        position: absolute;
        left: 0;
        bottom: 0;
    }

    .banner-wrapper .banner {
        width: 100%;
    }

@media only screen and (max-width: 991px) {

    .banner-wrapper .branding {
        left: -180px;
        bottom: -180px;
    }
}