I mean you should have the context of your change right. If you're submitting a change to reduce the margins on everything, you should expect to need a new snapshot.
If you're are doing a pure refactor of your css, you shouldn't see a change. Unless your css rules are order dependent and now you caught that.
If you're are doing a pure refactor of your css, you shouldn't see a change. Unless your css rules are order dependent and now you caught that.