.banner {
    background-image: url("https://www.is74.ru/upload/medialibrary/edb/f97jbggw987is5detwy29u3u0leib0q7.jpg");
    background-size: cover;
    min-width: initial !important;
    max-width: 1200px !important;
}

@media screen and (max-width: 480px) {
    .banner {
        display: none;
    }
}