Connect Four with React, TailwindCSS, Flexbox and CSS grid

This was quite the difficult project to get done. Right now the CSS has a lot of glaring issues I plan to iron out over time and there's a lot of redundancy in my utility classes, but I'm so glad to have something functional that looks halfway decent on most screens.

Any and all feedback on all parts of the project is welcome. I'm especially curious if there are any bugs in my gameplay implementation.

CSS fixes are more than welcome as well. Menus in particular need a lot of work so I'd love to hear what you all have to say about those.