Is there some way to specify a custom size for a Gnome panel? I'm using Gnome Classic on ubuntu 12.04. There is an "expand" option, but I want to exactly specify the size of the panel. I'm not talking about the height, but rather the width of a horizontal panel.
Unfortunately, there is no way to set a custom horizontal width for a Gnome Panel. The best you can do is disable the "expand" property, and let it adjust to the size of its contents; you can also change the "x-centered" property to center the panel or keep it on the left.
This can be done with