How to remove bar on selected Nav button?

[HawkeBoE]

Hi there,

do someone know how to remove the thin bar that appears on top of a selected nav button?
Those are in the default style in the current vBulletin version and the darkvision style I'm using as template.

I made a screenshot if my explanation is not understandable.

Maybe someone knows and could tell me.
Thanks in advance

[Lynne]

stylevar navbar_tab_selected_top_height

[HawkeBoE]

Unfortunately it didn't remove the thin bar on top of the button (setting the value to 0 just move the button down), but didn't notice this stylevar before. I found the button file selected-tab-gradient-with-top-alpha.png in navbar_tab_selected_background and saw that this is one graphic, edited it.

(Now I understand how those buttons with the gradient works)

Thanks for the hint!