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There are 2 elements (maybe more) than when I right click on them they give a "rugged" effect to the menu. So far the only 2 I have found are Trash and Workspace Viewer. The image shows how I see the trash when I right click on it:

enter image description here

How can I fix this. Am using an Nvidia card. It looks like this on Gnome Classic (Both version with and without effects).

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up vote 1 down vote accepted

This is a known bug.

A workaround is to alter the theme file for the panel:

  1. Alt + F2gksu gedit /usr/share/themes/Ambiance/gtk-2.0/apps/gnome-panel.rc
  2. At the top part of the file, add this new style:

    style "panel-applet-context-menu" = "dark"
        xthickness = 0
        ythickness = 0
        bg[NORMAL] = "#4b4a46"
        engine "murrine" {
            textstyle = 2
            text_shade = 0.35
  3. Change

    widget "*PanelApplet*"            style "panel"


    widget "*PanelApplet*"            style "panel-applet-context-menu"
  4. Save and run Alt + F2killall gnome-panel
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