The navbar will stick to the top when you reach its scroll position.
Some text to enable scrolling.. Lorem ipsum dolor sit amet.
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..
Some text.. Some text.. Some text.. Some text..