A: This is a header

One sentence.

B: Another Header

normal | stretch | center | start | end | flex-start | flex-end | self-start | self-end | baseline | first baseline | last baseline | safe center | unsafe center

C: Header with line height

Yummy ipsum lorem kitten, bacon and mushroom. Rainbows rainbows pigeon wereunicorn app surprise, kittens pegasus delight unicorn wereunicorn rainbows. Pigeon unicorn surprise pony pigeon wereunicorn app app.

flex-start | flex-end | center | baseline | stretch
normal | start | end | self-start | self-end