This course has been updated! We now recommend you take the CSS In-Depth, v2 course.
Check out a free preview of the full CSS3 In-Depth course:
The "Demonstration of Structural UI pseudo-classes" Lesson is part of the full, CSS3 In-Depth course featured in this preview video. Here's what you'd learn in this lesson:
Estelle demonstrates some techniques using structural pseudo classes to create different column widths and design a US Flag