How to Navigate through these Pages?   

Each page contains the following elements:

	At the top of the page: an upper left logo linked to the cover page of the project (Home page); an optional centered logo linked to the chapter to which the page belongs (see this example); a top navigation part composed of 3 arrows.
	a title part,
	the body of the page,
	a bottom navigation part,
	a center bottom logo linked to the general content of the project.