How to apply a bevel modifier, so that it affects only specific edges? I am trying to apply a bevel modifier to a box with some additional buttons, however, I am struggling to apply the bevel modifier only to the top face and the edges that are connected to that face. In a nutshell, I am trying to bevel the top of the box without affecting the bottom and the buttons.

Here is an image of what I get upon applying the bevel modifier:
You can use bevel weights, which lets you specify a value between 0 (no bevel) and 1 (full bevel).