Bootstrap quiz

Test your Bootstrap knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

Which class makes a form input?

1. Which class makes a form input?
2. Which class centers text horizontally?
3. Which class group provides form input validation state?
4. Which class makes a container that adapts to the viewport?
5. How do you make a column span 6 grid columns on medium screens and up?
6. Which file is the primary entry point when customizing Bootstrap with SCSS?
7. Which class creates a flex row of grid columns?
8. What is the typical purpose of `g-*` classes on a `row`?
9. How do you trigger a modal in Bootstrap 5?
10. What is Bootstrap?
11. What changed between Bootstrap 4 and Bootstrap 5?
12. What does `.card` provide?

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