Scrollbar background does not go solid (?) when using stylesheets

[Marcin]

I had the same problem lately. Solution is simple, just add this line to stylesheet:

QScrollBar::add-page:horizontal, QScrollBar::sub-page:horizontal {
     background: none;
 }

QScrollBar::add-page:horizontal, QScrollBar::sub-page:horizontal {
     background: none;
 }

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cheers