1. You should see no red rectangles or squares before or during the text
  2. You should see a picture of a cat below
  3. Click the Go full screen button below
    • The page should enter full screen mode, with only the picture being showed.
    • The browser might display a permission window asking you to allow full screen on this page. Allow it.
  4. Exit full screen (e.g. by pressing Esc)
    • The picture of the cat should be visible, along with all the other initial content.
A picture of a cat