Under the advanced tab of any field is the CSS override. There is a problem with changing it to a different class. That change doesn't often take. It reverts to the old override and may take attempting to change it 10 times for the save to finally go through.
Is there a knack to getting the override to be recorded successfully before hitting the save form button?
Also, how does one combine two classes there? Is there a space between them? Is that not allowed?