Change Z-Index of an element via the inspector

1: What feature / functionality are you looking for?
Change Z-Index of an element via the inspector.

2: What problem are you trying to solve?
Having to open my stylesheets and edit a class every time i wish to edit the z-index of an element.

3: If solved, what value would this provide (ex. increased efficiency, cost savings, etc.)?
Increased efficiency.

4: Use Case example? (ex. As a ____ I want to be able to _____ so I can _____.)
As a User I want to be able to change Z-Index of elements so I can more easily create interesting layouts and compositions using the page builder.

5: Is this being solved by another workaround or any other tool today?
Right now we either have to change z-index of the element class or assign a new class with defines z-index to the element. Doing it in inspector would be awesome.