How to change the color of links in source mode?

When I edit a text in markdown format in DTP, the links appear in blue regardless of the text and background color.

Is there an option to change this link color to make them more visible, for example on a dark gray background?

Are you using a custom style sheet in Preferences > Media?

Yes I am.

But does the custom style sheet also have an effect in “Source Mode”? I thought it only changed the appearance of the Preview…