esc_html__( 'Header Settings', 'book-author-blog' ), 'panel' => 'book_author_blog_global_panel', ) ); Kirki::add_field( 'author_portfolio_pro_config', [ 'type' => 'color', 'settings' => 'header_bg_color', 'label' => __( 'Background Color', 'book-author-blog' ), 'section' => 'book_author_blog_theme_header_section', 'default' => '#000000', 'transport' => 'auto', 'output' => array( array( 'element' => 'header#masthead', 'property' => 'background-color', ), ), ] ); Kirki::add_field( 'book_author_blog_config', array( 'type' => 'custom', 'settings' => 'unlock_header_style_field', 'label' => '', 'section' => 'book_author_blog_theme_header_section', 'default' => ''.esc_html__('Upgrade To Pro To Unlock All Features', 'book-author-blog').'', ) );