I’m having similar problems getting it to show too. I’ve tried header, footer, disabling color picker.
In Chrome, the JS Console is throwing an error “Uncaught SyntaxError: Unexpected Identifier” in the Cookie Law jQuery(document).ready(function() when assigning var a.
The theme is a professionally designed one from Elegant Themes.
There are two initial sites I’m trying to set this up on, both throwing the same error:
https://www.shinfieldschools.co.uk/infant/
https://www.shinfieldschools.co.uk/junior/