Spacer

flex-grow (no size) · horizontal

left

right

flex-grow · three items

start

middle

end

size=4 · axis=y

above

below

size=8 · axis=y

above

below

size=6 · axis=x

left

right

fixed y sizes · 2 / 4 / 8 / 12

A

B

2

A

B

4

A

B

8

A

B

12