.banner_section_bg {
    background-color: #061220;
    background-image: url('../images/banner_bg.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    width: 100%;
}

@media (max-width: 767px) {
    .banner_section_bg {
        background-position: center center;
        background-size: cover;
    }
}