Preset
Constructive defaults: raw HTML should look finished, not like nothing.
This paragraph and everything around it is unstyled flow content. Rhythm,
heading margins, media behavior, focus rings, and reduced-motion guards come
from @layer mica.preset — zero-specificity, trivially overridable.
A following heading gets breathing room
Because it isn't a first child. Inside a stack, rhythm yields to
gap — the stack owns spacing. Tab to this
link or any control to see the tokenized focus ring.