[GNC] Change text color

[Geert Janssens]

Op woensdag 8 augustus 2018 18:31:07 CEST schreef Adrien Monteleone:
> Correction,
> 
> tabs label {
>   margin-left: -3em;
> }
> 
> will shift the label and thus then entire tab to the left enough to cover
> the invisible image. (you can alter the margin to suit of course)
> 
> Also notice I use ’tabs’ here instead of ’notebook’.
> 
> They are interchangeable but I like ’tabs’ better because it makes the CSS
> self-documenting.
> 
> So the previous rule would be:
> 
> tabs box > image {
>  opacity: 0;
> }

Would a negative position work to hide the image ? Gtk internally uses -32000 
to hide windows. I have no idea if this also works for other widgets.

Geert