Space
If you need to add space between 2 specific elements, Space may be a good choice:
<Stack gap="none">
<Box h="lg" bg="red200" />
<Box h="lg" bg="orange200" />
<Space size="xl" />
<Box h="lg" bg="yellow200" />
<Box h="lg" bg="green200" />
</Stack>
<Inline gap="none">
<Box h="lg" bg="red200" />
<Box h="lg" bg="orange200" />
<Space size="xl" vertical />
<Box h="lg" bg="yellow200" />
<Box h="lg" bg="green200" />
</Inline>