*** This bug is a duplicate of bug 349774 ***
https://bugs.launchpad.net/bugs/349774
I know this is a duplicate bug report of #349774, but the fix given here
by 'Vish' is not given there, so in order to give his fix reference, I
am posting my comment here.
The fix given by 'Vish' worked for
*** This bug is a duplicate of bug 349774 ***
https://bugs.launchpad.net/bugs/349774
** This bug has been marked a duplicate of bug 349774
cannot change background color on parts of panel
--
Background options in panel properties (transparency, custom image) do not
apply to widgets
