Adjacent siblings
🦊margin 10
🐷margin 40
🐨margin 80
Parent and first/last child
🐯parent margin is 60 ← selected ✔︎
🐻child margin is 20 ← ignored ✗
Empty blocks
🐼empty margin-top 60 ← selected ✔︎
👻element margin bottom 20 ← ignored ✗
🐮element margin top 20 ← ignored ✗