Hi ParallaxCollab!
You might look for this setting feature:
[image: 1497458430587-bildschirmfoto-2017-06-14-um-18.39.59.png]
There is no other way to modify the breakpoints.
Best!
Marius
In a limited way it is actually possible to only address the tablet version. See here on the left bottom:
[image: 1499272607540-bildschirmfoto-2017-07-05-um-18.36.11-resized.png]