This is an advanced setting that requires CSS knowledge to use. You must add selectors in this field, your
CSS should look something like:
2 filters are provided for overriding default plugin behavior.
- sbtt_styles - The CSS that is added to the <head> element will be passed through this filter. Use
this to add/change/remove some of the CSS.
- sbtt_button_markup - The HTML markup for the button will be passed through this filter. Use this to add
additional markup to the button.