.hero-banner-grid .card-img-bg:before {
    background: linear-gradient(90deg,#383838 0,transparent);
}
.hero-banner-grid .card-img-bg:before, .overlay-blue:before {
    content: "";
    bottom: 0;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}