Bootstrap interview questions

Here are some common interview questions related to Bootstrap:

1. Can you explain the grid system in Bootstrap and how it works?
2. How do you customize the look and feel of a Bootstrap website?
3. How do you use Bootstrap's responsive design features?
4. Can you explain the difference between Bootstrap 3 and Bootstrap 4?
5. Can you show an example of how you would use Bootstrap's built-in CSS classes to style a button?
6. How would you use Bootstrap's JavaScript plugins to add functionality to a website?
7. Can you explain how Bootstrap's utility classes work and give an example of how you would use them?
8. Can you explain the differences between Bootstrap's pre-defined classes and Less variables?
9. How would you use Bootstrap's grid system to create a responsive navigation bar?
10. How would you use Bootstrap's built-in form styling classes to create a custom form layout?

Please keep in mind that the questions might vary depending on the level of the position and what the company is looking for.