Web Development / CSS
Lesson 10 of 30
Colours and units
Colours can be hex (#0A1020), rgb() or hsl(). Use rem for text sizes so they respect the user's settings, and % or fr for flexible layouts.
Key points
- Hex: #RRGGBB
- rem scales with the root font size
- Good contrast keeps text readable
Quiz · +10 XP
Why use rem for font sizes?
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