Hi Mike,
This should work for all text sections.
Please see the URL below in private content. I putted a shortcode in a text element, which renders a google map with the border and padding/margin.
Avis CSS seems a little bit special for me, as I can´t figure out a second issue: space between blocks.
Please see pictures attached

Direct Zip Upload in Media works fine, but with the font uploader any zip file is greyed out and I can not choose zip files.