Philipp Stephani <p.stephani2@gmail.com> schrieb am Di., 19. Sep. 2017 um
17:35 Uhr:

> martin rudalics <rudalics@gmx.at> schrieb am So., 3. Sep. 2017 um
> 13:49 Uhr:
>
>>
>>  > The underlying issue here is that GTK no longer seems to have a
>> concept of
>>  > a "background color", but Emacs still assumes that concept exists.
>>
>> I understand.  But can't we catch that in a less intimidating way?
>>
>
> If you only talk about code restructuring, then sure. But if we want to
> emulate (instead of just disable) background colors, then some more work is
> needed.
>
>

At least setting the background color should be doable in a non-deprecated
way using a custom CSS provider, see attached patch.