Repro steps
- Open https://de.wikipedia.org/api/rest_v1/page/mobile-html/COVID-19-Pandemie_in_Deutschland/200070679?theme=dark
- Look at the graphs in the "Statistiken und Fallzahlen" section
Expected
Light background on the graphs
Actual
Dark background on the graphs
Notes
From OTRS:
In darkmode transparent PNGs have black or gray background. Maybe they should also be white.