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Seeking any kind of constructive feedback on the use of Tailwind CSS classes and semantic markup. Did I use too many, could the classes/divs be simpler?

Here is my solution for the News Homepage challenge. I had a difficult time getting grid and flexbox to work properly, but after a while I think I got it working as it should. I haven't used grid and flex much before. Furthermore, I used SASS to compile the CSS, so any SASS tips would be helpful as well.

Here is my solution for the QR Code Scanner. Feel free to provide any feedback or improvements I can make.