Home / Technical: Child Theme / Child Theme: How to add RTL CSS in Child ThemeChild Theme: How to add RTL CSS in Child Theme 2900 views 0 First in functions.php – child theme add this new lineCreate a copy of wpresidence/rtl.css and move it to wpresidence-child folderand make the changes in the wpresidence-child/rtl.css file in a separate area (at the beginning of the file)