Kbd
Keycaps for the shortcuts a control answers to.
Default
A single keycap.
K
Shortcut
Several caps on one line, grouped at a fixed gap.
⌘K
Sizes
Two heights: 16 and 20 pixels.
⇧↵⇧↵
Inverted
For dark surfaces, where the default fill would disappear.
Change model⌘\