chapter.checkpoint
Modern CSS Architecture
Pause here and make sure the main ideas feel clear before moving to the next chapter.
Review recommended
What you should understand now
Create resilient themes, components, animations, and layouts that scale.
Custom properties and semantic tokens
Centralize design decisions with meaningful names.
Container queries and intrinsic layout
Let components respond to their own available space.
Motion, preferences, and performance
Use animation without harming usability.
progress.review
Chapter progress
Lessons completed
0/3
0% complete
Exercises attempted
0/3
0% complete
Quizzes passed
0/1
0% complete
Before you move on
Use this quick review if anything still feels unclear.
Review chapterRetake chapter quiz
Complete the lessons, pass the exercises, and pass the quiz to unlock the next chapter.