Gets an object containing information about the button's styles.
The following styles can be used with buttons:
Getting or setting a button's hover and disabled styles affects the button's
appearance only in those respective states. All other available styles apply solely
to the button's regular state.
Note: Not all styles can be used on all button designs. To determine which styles work with a specific button design, go to the Button Design panel in the Editor, choose a design, and click Customize Design. The design options that you see in the Button Design panel for your particular button are the styles you can use in your code.