When you create a new page, you will have options to change elements of Header :
Hide Page Heading: Tick this box to hide Page Heading
Page Description: Give a short description here
Menu Logo: Upload a logo image
Header setting: Tick a box to select a Header style
Navbar position: There are 3 options that are Use Navbar Position in customizer, Static Top and Fixed Top.
Static Top, in this case, the NavBar does not move. It means that when you scroll down on the page and let the mouse pass the NavBar, you will not see the NavBar displayed on top. However, Fixed Top will allow you to see the NavBar when you scroll down the mouse
Footer setting: There are 3 options which are Using Footer in Customizer, Footer Default and Footer With Map
Heading Background Image: Upload an image which will be background for the heading
♣ Note: In spite of what you set up in Customizer, all options in Page settings will always be prioritized