.start_promo.about_banners{
    padding: 0px 25px;
}
.start_promo.about_banners .banner-item {
    width: calc(50% - 12px);

}
.start_promo.about_banners .banner-item{
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .start_promo.about_banners{
        padding: 0px;
    }
    .wrapper_inner .start_promo.about_banners .item {
        width: 100%;
    }
}