New concepts
Common CSS selectors, margin, padding, font sizing, weight, dimensions, backgrounds, display, borders, rounded corners, text colour, and lists.
What changed?
The content remains meaningful without CSS, making it easier to see exactly what basic presentation adds. Child dimensions are calculated manually because border-box is not available yet.
Lessons
Checkpoint
Restyle a semantic page using only the Phase 2 properties. Explain the difference between margin and padding.