When accessing docs.github.com do they currently not reflect the user’s theme setting.
If you have set the theme to dark, or your system default is dark, then the docs still appear in white, which may hurt the eyes when you spend quite some time on GitHub with Dark theme and then switch to the docs to f.e. look up how to configure a workflow or similar.
The only workaround I can think of is to use extensions like Dark Reader.
DR in particular does have some downsides tho as it only affects the whole domain and not a specific subdomain alone (Not until they merge #4291 and make a release anyway), so this would also affect the main github.com domain and make it look worse…
I hope that docs.github.com will soon join the theme change.