How to reproduce : 

• Create a new site from an existing site (I have chosen Demo Site).
• When I visualize the site, I see several problems : 
• Home page is not correclty copied. 

Here is initial home page : 

Here is copied site home page : 

• Key feature menu is not corretly copied. 

Here is initial key feature menu : 

Here is copied key feature menu : 

• Support menu is not corretly copied.

Here is initial support menu : 

Here is copied support menu :