@media (max-width: 1023px) {
    .wp-block-columns {
        display: block;
    }
    
    .wp-block-column, .wp-block-column:not(:first-child) {
        margin: 20px 0;
    }
}
@media (min-width:1024px) {
    .wp-block-column:not(:first-child) {
        margin-left:3rem;
    }

}