styling Tabbar of QDockWidgets

[FelixB]

Hi,

now I want to customize the TabBars when QDockWidgets are tabbed. I can change the tabs, but I can't access the tab-bar and the pane. See the desired result in attached image. I want to add a background color gradient and a border around the pane and I want to move the tabs by 3 px to the right.

/* Tab */
QTabWidget::pane				/* this does not work with tabbed QDockWidgets! */
{
    margin-top:-26Px;
    background-color:red;
    border:1px solid #959595;
    padding-top:2px;
    border-radius: 2px;
}
 
QTabWidget::tab-bar		/* this does not work with tabbed QDockWidgets! */
{
    border:none;	
    left:3px;		
}

/* Tab */
QTabWidget::pane				/* this does not work with tabbed QDockWidgets! */
{
    margin-top:-26Px;
    background-color:red;
    border:1px solid #959595;
    padding-top:2px;
    border-radius: 2px;
}

QTabWidget::tab-bar		/* this does not work with tabbed QDockWidgets! */
{
    border:none;	
    left:3px;		
}

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is there any special way to access tabbars/pane of tabbed qdockwidgets?

thanks!
Felix