[Bug 1807594] Re: based on its behavior, gthumb appears to not have styled the headerbar with '.titlebar'

** Description changed: Themes which style the min/max/close buttons on gthumb's headrebar (e.g. 'Xfce Evolution 5.0.0', d/l here https://sourceforge.net/projects/xfce-evolution/files/xfce-evolution-5.0.0.zip/download) do not style those buttons in gthumb 3.6.1 - However, if i change the

[Bug 1807594] Re: based on its behavior, gthumb appears to not have styled the headerbar with '.titlebar'

** Description changed: Themes which style the min/max/close buttons on gthumb's headrebar (e.g. 'Xfce Evolution 5.0.0', d/l here https://sourceforge.net/projects/xfce-evolution/files/xfce-evolution-5.0.0.zip/download) do not style those buttons in gthumb 3.6.1 - However, if i change the