You've heard this before, but don't use <h1> or <h2> etc. for style, use them for *semantic meaning*, the logical structure of your page/app.
It matters because a lot of assistive tech users understand and navigate with headings.
Classes for styling, tags for meaning.

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This was an html/css tweet and you brought that JavaScript stuff into it.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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he/him 
