Add to your root page a page "Modals".
Set both Backend Layouts – this page and subpages – to [Start Simple 1: | Main | ]
Move the page type from [Default] to [Folder].
Add to the folder "Modals" the folder "Contact" (in my sample the folder got the page id 8780).
Add to the content area of the folder "Contact" a content element:
Type: [Text & Images]
Text: Your name, phone number and e-mail-address.
Upload a portrait of you.
Image Adjustments: Width: 100
Image Alignment: [Beside Text, Left]
Number of columns: