Replacing default prev/next arrow with font awesome icon

gfpc_prev_next_nav.php

<?php
//* Do not add this opening tag

/**
 * Replacing default Prev/Next arrow with Font Awesome icon
 * 
 * Add the following codes in functions.php file
 * 
 * @author Genesis Developer
 * @link http://genesisdeveloper.me
 * @since 1.0.0
 * @version 1.0.4
 */ 
 
add_filter('gfpc_previous_link_text', 'gfpc_add_font_awesome_prev_arrow');
function gfpc_add_font_awesome_prev_arrow( $prev ) {
  return '<i class="fa fa-chevron-left"></i>';
}

add_filter('gfpc_next_link_text', 'gfpc_add_font_awesome_next_arrow');
function gfpc_add_font_awesome_next_arrow( $next ) {
  return '<i class="fa fa-chevron-right"></i>';
}