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This is my first time using Sass for a project so I'd like feedback and tips on that. Additionally trying out semantic html for the first time too. And any feedback on how to better use flexbox is always appreciated! Thanks

I'm not sure how well I've laid out my css, I'm still learning how flexboxes work. It might be a bit of a mess and I'd like advice on that. And of course any extra advice on my html is appreciated! Thanks