/wp-admin/css/wp-admin-rtl.css

 1@import url(common-rtl.css);
 2@import url(forms-rtl.css);
 3@import url(admin-menu-rtl.css);
 4@import url(dashboard-rtl.css);
 5@import url(list-tables-rtl.css);
 6@import url(edit-rtl.css);
 7@import url(revisions-rtl.css);
 8@import url(media-rtl.css);
 9@import url(themes-rtl.css);
10@import url(about-rtl.css);
11@import url(nav-menus-rtl.css);
12@import url(widgets-rtl.css);
13@import url(l10n-rtl.css);