How can i nodify the navigation on second page

Hi Guys,
I have first created a squeeze page cercledelumiere, then i uploaded Panino made the modifications and when i added to the link at the bottom of the Menu (brown wall) when you click from the front end on the link it brings another navigation that i cannot modify also the background image of the squeeze page disappeared.
I did grant yopu the acces in support
thks in advance for your help