The menu is optimized for screen reader and keyboard only users:
- Activate the triggering element using the keyboard.
- Press the Up and Down Arrow keys to move focus between the menu options.
- Press the Left and Right Arrow keys to open or close submenus.
- Press any letter or number to jump to a menu item starting with that character or digit.
- Press Enter to activate a menu option.
- Press Escape to close the currently open menu.
- Press Tab or set focus back on the triggering element to close the menu and all submenus.
- Mouse users can click the desired menu option as usual.
