I am also having an issue with changing the font color and size in my form.
https://docs.google.com/forms/d/1c9FArEtGfigNqFE35AQ_f2-wYKU-JZGGslVZN8jc6dY/viewform
This is the url to the page where the plugin is. http://ocfootdoc.com/new-patients/
I could sure use your help.
Thanks