Code Text Not Visible in Dark Mode in documentation

[alok1304]

Description

In dark mode, the code text is not clearly visible due to insufficient contrast between the text and background, making it difficult to read the code. In light mode it is fine.

Also I attach the Screenshots of that in dark mode as well as light mode and also I attach link of that.

In dark mode,

In Light Mode,

Also, I have attached some links so we can clearly see the problem in dark mode.
https://scancode-workbench.readthedocs.io/en/develop/getting-started/index.html
https://scancode-workbench.readthedocs.io/en/develop/contribute/building.html
Also I am working on this issue, I will raise a PR soon.