Positioning & stacking in HTML & CSS: interview exercises
Positioning & stacking in HTML & CSS: 5 test-checked interview exercises (A header that sticks), each beside a worked example, with tests as you go. Free.
- A header that sticks
- A notification count on an icon
- A modal over everything
- Who is on top
- A floating action button
Each exercise pairs a worked example with a twin problem to solve in a real editor; the tests run the moment you do. Progress is saved in your browser, and in your account if you sign in.