Vision Docked Window Transparency

Is it possible to have transparent backgrounds in vision docked windows?

I am trying to make the application feel a bit less “boxy”, and I set my header docked window to have a transparent background, and set my project default background to transparent, and I just end up with this:

Whereas the docked window itself looks like this:

And I set the gateway setting that allows the docked windows to overlap as well.

Keith G.