#TIL if you move a <h1> from outside an <article> to inside one, it's font-size changes from 2rem to 1.5rem.
Nowhere have I seen this documented!
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<meta name="theme-color" media="(prefers-color-scheme: light)" content="#FFFFFF">
<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#000000">
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta/name/theme-color
