Borders count too
Level 4 of 13Your goal
Keep the 200 × 80 content. Add 16px of padding and a 6px solid border (any colour) on every side. The outer size becomes 244 × 124.
Must use
paddingborder-widthmarginborderpaddingcontenttarget content boxtarget outer edge (green = matched, red = not yet)
Feedback updates as you type, and your CSS is saved in this browser. Exact target numbers are in the Target panel.