2) you can set custom footer / prefooter for a specific page in pages > your pages > edit and scroll down to the section ‘8theme layout options’ (below to the text editor)
and in ‘Use custom pre footer for this page/post’ select the prefooter you want
in ‘Use custom footer for this page/post’ select the footer you want
before that create your custom prefooters / footers in Static blocks > add new
