Layout: Fix invalid css for nested fullwidth layouts with zero padding applied#7036

andrewserong wants to merge 1 commit intoWordPress:trunkWordPress/wordpress-develop:trunkfrom

andrewserong:fix/layout-invalid-css-nested-fullwidth-layouts-with-zero-paddingandrewserong/wordpress-develop:fix/layout-invalid-css-nested-fullwidth-layouts-with-zero-paddingCopy head branch name to clipboard