Navigation

Header 
 The header contains the main navigation elements:
 
 From left to right: 
 
 The SITS logo redirects to the landing page 
 A search bar which searches for keywords in all accessible pages 
 The Shelves button leading to the listing of all product families 
 The Books button showing all available products in a single list 
 The Log in button for authenticating users and authorizing them to view specific content