How to disable block?

So how can we disable certain blocks from displaying in the mobile view? 

Answer:

When you create a block by builder, you can add custom class to Custom Class field on builder, so if you want to hide it on mobile, let add this class: hidden-xs

Or 

Yes you can do that, you need only to use Front-end Builder, when you edit a block, you will see a field named "Custom Class", if you want to disable any block on mobile, you need only to fill: hidden-xs in this field