Menubar

Toolbar of menu triggers with arrow-key movement between menus.

Playground

Arrow keys move between menus; Enter opens.

<Menubar aria-label="YouSpot">
  <MenubarMenu label="File">
    <MenuItem id="new">New note</MenuItem>
    <MenuItem id="import">Import…</MenuItem>
  </MenubarMenu>
  <MenubarMenu label="Edit"><MenuItem id="undo">Undo</MenuItem></MenubarMenu>
</Menubar>