#79. Margin 20px
Make the space around the `.box` (`margin`) **20px** and its width **200px**.
Checklist
- ○ margin 20px
- ○ Width 200px
💡 The page on the right updates as you type. When you're ready, press «Check».
💡 The page on the right updates as you type. When you're ready, press «Check».