Background image will look zoomed-in when you add more content. Once the site is published, the responsive background will be activated and it won't zoom in
This gap is here to allow you to edit your navigation tab title. This will disappear when site is published.
Navigation bar is NOT fixed in editing
Once the site is published, the navigation bar will be fixed on the top or bottom depending on the layout you set
Background image will look zoomed-in when you add more content. Once the site is published, the responsive background will be activated and it won't zoom in