Tip Calculator app usin CSS grid and flexbox

What are you most proud of, and what would you do differently next time?

I am proud of figuring out how to use radio buttons, css and one line of javascript to get the preset tips stay active, it was surprising involved process.

What challenges did you encounter, and how did you overcome them?

Working out the logic on when to enable reset and update the totals.

What specific areas of your project would you like help with?

How can I make the layouts and fonts more responsive. Any general feedback is welcomed.