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

I’m really proud of this CSS code because I made it mobile responsive without using any @media queries.

.card { display: flex; flex-direction: column; max-width: 320px; margin: auto; padding: 40px; }

Using place-content: center, I was able to align and justify it both vertically and horizontally.

body { height: 100vh; place-content: center; max-width: 1440px; margin: auto; padding: 2rem; }

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

The challenge was the same as before, which is how to center it, but I can do it like this: body { place-content: center; max-width: 1440px; margin: auto; padding: 2rem; }

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

There's one thing I don't quite understand, and that is exactly how much a rem measures. How could I find that out?