css - why isn't my flexbox flex-stretch property working? - Stack Overflow

I'm trying to get the three flex children boxes to stretch using flexbox to fill the container so that all three boxes are the same size. However, I don't want the first two inside boxes to stretch

html - Why is my flexbox not extending correctly? - Stack Overflow

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css - why isn't my flexbox flex-stretch property working? - Stack Overflow

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