I've searched and googled but don't see answers. I might be searching for the wrong terms.
We're using the Bartik theme. So far it's serving our needs well, except the default font size is too small. This appears to be the .content class. Where do I change this so that it survives future Backdrop upgrades?
You could also easily create a subtheme in 2 minutes.
themesfolder, for example inbartik_subbartik_sub.infowith something like:3. Create a
cssfolder and put your overrides in a filebartik_overrides.cssThen enable Bartik subtheme.
That's it.