img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

.sb-banner {
    margin-bottom: 32px;
}

.sb-banner-tablet {
    display: none;
}

.sb-banner-mobile {
    display: none;
}

.bm-banner {

}

.bm-banner-tablet {
    display: none;
}

.bm-banner-mobile {
    display: none;
}

@media screen and (max-width: 768px) {
    .sb-banner {
        display: none;
    }

    .sb-banner-tablet {
        display: block;
        margin-bottom: 32px;
    }

    .bm-banner {
        display: none;
    }
    
    .bm-banner-tablet {
        display: block;
    }
}

@media screen and (max-width: 450px) {
    .sb-banner-tablet {
        display: none;
        margin-bottom: 0;
    }

    .sb-banner-mobile {
        display: block;
        margin-bottom: 16px;
    }
    
    .bm-banner-tablet {
        display: none;
    }

    .bm-banner-mobile {
        display: block;
    }
}