Bootstrap 5 Course Build Responsive Websites Like a Pro - Bootstrap Breakpoints

The video tutorial covers Bootstrap 5 breakpoints, explaining the class infix and dimensions for each breakpoint tier, from X small to extra extra large. It also introduces SAS, an extension of CSS3, highlighting its features like nested rules and variables. The lecture concludes with a preview of the next topic on changing text color and background.

How are the extra large and extra extra large breakpoints defined in Bootstrap 5?

What does SAS stand for and how does it relate to CSS?