[accepted] Enable Change Toolbar Background Color between Separators

I have toolbars, each with several separators. It would be nice to be able to change the background color for all of the items under each separator (until the next separator occurs). I know it is now possible to change the background color for an individual item, but I have many dozens of them.

In essence, I seek ability to change the background color of the toolbar for all space between 2 separators.

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I now see that I requested this on 08-26-2013. Yuri said then it was accepted and would be worked on. Sorry I forgot that.