Widget Classes allows you to add classes to your individual widgets to be used by your theme. This is done by appending an additional form field to th …
Widget Classes allows you to add classes to your individual widgets to be used by your theme. This is done by appending an additional form field to the end of your widget forms where you can enter the class.
You do not need to modify your widgets, as this will apply automatically to all widgets.
widget-classes
folder into your plugin directory.