base layer:

    q     w     e     r     t   ||   y     u     i     o    p
    a     s     d     f     g   ||   h     j     k     l    ;
    z     x     c     v     b   ||   n     m     ,     .    /
  shift  tab  super ctrl  bksp  || space  alt  enter  esc  fn

fn layer:

    1     2     3     4    5    ||   6     7     8     9    0
    !     @     #     $    %    ||   ^     &     *     (    )
    _     -     =     +    /    ||   ?     {     }     [    ]
          ~                \    ||   `         pgup   pgdn