55f1f2f3__for_WordPress___Support_Guide__Attribute
[Description] Whether the text should be light/white (on) or a darker shade of the button color (off). [Values] on off [Default] on [Attribute] 
light
c o l o r
l i g h t
l a r g e
f u l l _ w i d t h
h r e f
t a g
t a r g e t
Agility for WordPress – Support Guide
Attribute