Build a Personal Portfolio "solved"

i am getting 3. The navbar should always be at the top of the viewport.
AssertionError: Navbar’s parent should be body and it should be at the top of the viewport : expected 137.4375 to be close to 0 +/- 15

had id tag in wrong place .
Google Crome

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge: