.wp-block-image {
    margin: 0 -50px 1em;
}

@media (max-width: 1240px) {
    .wp-block-image {
        margin-left: -20px;
        margin-right: -20px;
    }
}

@media (max-width: 1170px) {
    .wp-block-image {
        margin-left: 0px;
        margin-right: 0px;
    }
}