What scaffolding variables are available to use in classic CSS to override default values?

What will happen if sr-only class is added to some div element?

What flexbox model css options can be used together with bootstrap?

What is needed to create menu which changes active menu item while scrolling contents of div?

Difference between text A and text B for end users?

How does bootstrap grid work?

Which is correct about data-html Data attribute of Tooltip Plugin?

The following event is fired when the tooltip has finished being hidden from the user (will wait for CSS transitions to complete):

Can Bootstrap plugins be included individually?

What is the default line-height while using twitter bootstrap?