.banner-container {
    max-width: 100%;
    height: auto;
    max-height: 700px;
    overflow: hidden;
    line-height: 0;
}
.banner-container img {
    width: 100%!important;
}
.banner-container img::after {
    display: block;
    content: "";
}
.mb-mobile {
    margin-bottom: -7px;
}