Which Bootstrap utility class would you use to add a margin-top of 3 (mt-3) to an element?
If you want to change a card’s background color to dark using only utility classes, which class would you add?
What utility class should you use to vertically center items inside a flex container?
Which utility class properly sets a button’s width to 100%?
What Bootstrap class would you use to make text bold?
Which utility class hides an element on screens smaller than the 'md' breakpoint?
What is the correct Bootstrap utility class for making text green?
To add horizontal padding of 4 units, which class should you use?
Which class rounds the corners of an element as much as possible?
If you want all letters in a paragraph to be uppercase using Bootstrap, which utility class would you use?