// Register Sidebars function custom_sidebar() { $args = array( 'id' => 'sidebar-section', 'name' => __( 'Secondary Widget Area', 'text_domain' ), 'description' => __( 'Section Widgets.', 'text_domain' ), 'before_title' => '<h3 class="widget-title">', 'after_title' => '</h3>', 'before_widget' => '<section id="%1$s" class="widget %2$s">', 'after_widget' => '</section>', ); register_sidebar( $args ); } add_action( 'widgets_init', 'custom_sidebar' );