DataTables JS - How to change pagination button class ?

script.js

/*
DataTables JS: How to change pagination button class
Read More: http://www.lubus.in/blog/datatables-js-change-pagination-button-class 
*/

jQuery(document).ready(function($) {
	// Initialize Datatables
	$.fn.dataTable.ext.classes.sPageButton = 'button button-primary'; // Change Pagination Button Class
    
  $('#lubus-wordcamp').DataTable( {
        "order": [[ 1, "asc" ]],
        "pagingType": "simple"
    } );
} );