@louise look up the tree to the module content element
[image: 1638681265884-screenshot-at-2021-12-04-23-13-18.png]
module_12_MMM… here is the identifier for this module
and oh, because its id=
you need # instead of . in the custom.css
(selector cheat sheet)… the thing before the { in a css class is the ‘selector’