Add filters to footer

[crftwrk]

/*
 * Footer classes
 */
function footer_class() {
  return "bg-dark text-white pt-5 pb-3";
}
add_filter('bootscore/footer_class', 'footer_class', 10, 2);

/*
 * Footer info
 */
function footer_info_class() {
  return "bg-dark text-white border-top border-secondary py-2 small";
}
add_filter('bootscore/footer_info_class', 'footer_info_class', 10, 2);

/*
 * Change to-top button classes
 */
function footer_to_top_button_class() {
  return "btn btn-sm btn-outline-secondary rounded-pill shadow-lg";
}
add_filter('bootscore/to_top_button_class', 'footer_to_top_button_class', 10, 2);