Footnotes as Sidenotes

[cmjn]

I have shared this css snippet that may help you achieve what you want though it doesn’t make use of footnotes.

Meta Post - Common CSS Hacks

Collapsible sidenotes A very hacky hack for collapsible sidenotes, based on an abusive use of checkboxes So be aware it may conflict with a custom theme or any plugin that uses checkboxes, I haven’t tried it in popovers, I give it as it is with no guarantee at all. The idea is to send checkboxes contained in a blockquote to the left gutter, and to make checkboxes as large as the text itself so that the text looks clickable for expand/collapse behaviour. For that I also have to tweak…