Unreadable code in stack (black text on black background)

[Tobias Bora]

If I go to the stack tab, the code is basically unreadable because it is written as black on black text (tested on Firefox 109):

Even if my system (KDE) is in dark mode (breeze dark), I forced firefox to use normal bright mode:

and configured similarly the development window:

and similarly, the grey text above and below the box is really close to white and hard to read as well.