This is a good idea. But if you could please add this as another idea.

I'm happy to inform, that you can now change breakpoints, and set your own width for all RWD modes. 

I'm happy to inform, that moving objects up/down in the stack (layer order) [CTRL ] ] and [CTRL [ ] is already available.

We're happy to inform, that this feature is live. You can upload as many fonts as you like :)

We're happy to inform, that this feature is ready for you to play with :)

We're happy to inform, that this feature is done and is available for you to play with :)

This is a great idea. Lets see how many votes will this idea get.

Good idea. Lets vote.