Bootstrap

Question

Want to learn bootstrap to come up with a responsive navigation panel inside a div container

Answer 1

https://www.w3schools.com/bootstrap/bootstrap_ref_all_classes.asp

https://getbootstrap.com/docs/4.5/getting-started/introduction/

please search internet next time

Answer 2

The best way of learning any framework is it's documentation.

https://getbootstrap.com/docs/4.5/getting-started/introduction/