.wp-block-columns:not(.is-not-stacked-on-mobile)>.wp-block-column + .wp-block-column{margin-top:1em}.wp-block-columns:not(.is-not-stacked-on-mobile)>.wp-block-column:not(:first-child){margin-left:0}.wp-block-columns:not(.is-not-stacked-on-mobile)>.wp-block-column:not(:last-child){margin-right:0}