Edit file File name : class-astra-heading-colors.php Content :<?php /** * Heading Colors for Astra theme. * * @package Astra * @author Brainstorm Force * @copyright Copyright (c) 2020, Brainstorm Force * @link https://www.brainstormforce.com * @since Astra 2.1.4 */ if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } define( 'ASTRA_THEME_HEADING_COLORS_DIR', ASTRA_THEME_DIR . 'inc/addons/heading-colors/' ); define( 'ASTRA_THEME_HEADING_COLORS_URI', ASTRA_THEME_URI . 'inc/addons/heading-colors/' ); if ( ! class_exists( 'Astra_Heading_Colors' ) ) { /** * Heading Initial Setup * * @since 2.1.4 */ class Astra_Heading_Colors { /** * Constructor function that initializes required actions and hooks */ public function __construct() { require_once ASTRA_THEME_HEADING_COLORS_DIR . 'class-astra-heading-colors-loader.php';// phpcs:ignore: WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound // Include front end files. if ( ! is_admin() ) { require_once ASTRA_THEME_HEADING_COLORS_DIR . 'dynamic-css/dynamic.css.php';// phpcs:ignore: WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound } } } /** * Kicking this off by creating an object. */ new Astra_Heading_Colors(); } Save