In the survey settings, you have the option of setting the general layout of the survey. The style you edit by going to the Survey Designs submenu.
The above settings will enable different parts of the survey. The Content area is always visible and cannot be de-selected.
Header: Showing the Project name or logo
Timeline: Shows a dot for each page made available to respondent
Sidebar: Shows a sidebar navigation with pages names
Footer: Displays a custom footer