JFXDialog extra space around the content

Question

As you can see from the picture after I set my content Node there is all this non red space around it. How can I remove it? I've been messing with for an hour with no luck. Library is called JFoenix.

Answer 1

Found a solution:

 dialog.getContent().setPadding(new Insets(0,0,0,0));

EDIT: Make sure to do this after the actual content has been set.