sticky is nice because the element stays in position, until the page scrolls down. When the element is about to be hidden, it’s actually always kept visible.
I made this example:
Lessons in this unit:
| 0: | Introduction |
| 1: | Relative positioning |
| 2: | Absolute positioning |
| 3: | Fixed positioning |
| 4: | ▶︎ Sticky positioning |