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		aidos on July 17, 2023 \| parent \| context \| favorite \| on: CSS findings from the Threads app Any chance you could show an example? In theory a block level element can only sit inside another block level element. And those expand to the width of their parent unless you constrain the width.

truckerbill on July 18, 2023 [–]

https://jsfiddle.net/jcaysopd/75/

I have no doubt there is a 'logical reason' for the behaviour but it doesn't stop it being annoying to work with.

aidos on July 21, 2023 | [–]

Gotcha. That’s because of the 100% vs auto thing. These days everyone just puts “box-sizing: border-box” on everything to make it go away.

This explains a bit more about what you’re seeing

http://stackoverflow.com/questions/28353625/why-does-percent...

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