[Enhancement] Padding to ignore nested layers
i wanna be able to use the "-" to ignore a nested layer... right now it paddy doesnt.

<img width="229" alt="screen shot 2018-02-16 at 3 23 45 pm" src="https://user-images.githubusercontent.com/4434179/36293397-6d06cc9a-132d-11e8-85d9-1b68136609ad.png">

