Footers
A Footer usually contains links and is at the end of every page.
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Footer that contains a "Text Footer" element and the "Social Media Icons" element
Activate Footers in "Lay Options" → "Footers". A page can be a footer for projects, pages and categories. You can choose one footer for all projects for example. Or you can activate "Show a select input in the Project Edit Screen to choose a Footer for individual Projects".
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Lay Options → Footers