Lars-Johan Liman <info-gnus-english@cafax.se> writes:

> I wonder if that's inherited from the GNUS default font, rather than
> from the font I've configured? I cannot find where it's adjusted. Does
> anyone of you happen to know?
>
> ... or should I approach this in some totally different way?
>
> I append a screenshot for illustration.

Interesting!

Maybe that depends on the theme loaded?

I'm using the Tao theme, still running Emacs27, screenshot attached.