Make sure that the fixed divs doesn't move when scrolling the page.
  1. Upper left corner.
    Fixed div. Upper left corner
    This is a normal div.
  2. Upper right corner.
    Fixed div. Upper right corner
    This is a normal div.
  3. Lower left corner.
    Fixed div. Lower left corner
    This is a normal div.
  4. Lower right corner.
    Fixed div. Lower right corner
    This is a normal div.
This div is only to get scrolling all the time.