GNOME Bugzilla – Bug 343168
panel sets invalid style on applet handles on startup
Last modified: 2007-05-25 23:00:08 UTC
That bug has been opened on https://launchpad.net/distros/ubuntu/+source/gnome-panel/+bug/45472 "the panel, on startup, sets the wrong style on the handles of applets. instead of being drawn in a specific colour (if that's the setting you have on your panel) they're drawn with a normal theme (grey) background. this happens in lots of different themes. furthermore, switching themes doesn't fix the problem. the problem can only be fixed by going into panel properties, changing the background type to "normal" then changing back to the coloured background. i should clarify: this only happens when you have a background _colour_ set with no transparency."
This problem has been fixed in the development version. The fix will be available in the next major software release. Thank you for your bug report.