Can not get the form label overwritten

Might be simple but after hours of trying I still did not find a way how to get the checkbox “label” css overwritten! Need to be #fff; but stays #000000 (black).

as you can see here: The problem is that the “powermail” extension has its own css classes and foundation is also throwing in its own css for form-actions. Strange thing is that on mobile version the “label” is in the right color #fff; But then the check-box gets an trans-parant background and black/white color when clicked on.

Any smart view on this? Thanks in advance :slight_smile: