How is CSS added to an HTML document?

Short answer: There are three ways to include CSS: Inline CSS: <p style="color: blue;">Hello!</p>

Example code

There are three ways to include CSS: Inline CSS: <p style="color: blue;">Hello!</p>

Real-world example (ShopNest)

ShopNest’s browser cart uses modern JavaScript: fetch APIs with async/await, modules, and clear error handling.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.