Action and Context Menus
Headers will read right to left and are right-aligned (E). Action menu items have right-aligned text reading right to left. Icons are also right-aligned (F).
Button text remains center-aligned, but reads right to left (G).
MDN will switch to a new design later today, a sneak peek: https://blog.mozilla.org/opendesign/mdns-new-design-beta/
Headers will read right to left and are right-aligned (E). Action menu items have right-aligned text reading right to left. Icons are also right-aligned (F).
Button text remains center-aligned, but reads right to left (G).