Available colored region(s) for non-admin to add widget(s)

For every training session we provided at Santa Fe College, we have been asked a lot of this: “Where can we drag the widget(s) in there”?

As for non-admin, I think the best approach is to have one colored regions such as green box… letting users know where they can drag n drop. So they don’t get frustrated when it comes to “locked” area.

I think this method will be the best and less confusion for them. Here’s two screenshots so you get the idea…

The first one is to provide colored green box.

This is what it looked like in Percussion, not able to tell whether it’s locked or available regions…