WordPress/wp-includes/blocks/page-list/style.min.css

.wp-block-navigation .wp-block-page-list{display:flex;flex-direction:var(--navigation-layout-direction,initial);justify-content:var(--navigation-layout-justify,initial);align-items:var(--navigation-layout-align,initial);flex-wrap:var(--navigation-layout-wrap,wrap);background-color:inherit}.wp-block-navigation .wp-block-navigation-item{background-color:inherit}