How to remove the grey from waveform module?

Software darktable
1

Hello, i was wondering anybody knows what value to modify in css files in order to remove the grey from background and on hover, i would like to have better visibility on that panel

Screenshot%20(9)

Thank you
Regards

1 Like
2

nothing :(?

3

Start here I guess: darktable 2.6 | darktable, More user-interface customizability through CSS.