// Register Sidebars function custom_sidebars() { $args = array( 'id' => 'blog_sidebar', 'class' => 'col-md-4 sidebar-widget', 'name' => __( 'Blog sidebar', 'pandit_ji' ), 'description' => __( 'SideBar for blog', 'pandit_ji' ), 'before_title' => '<div class="title-widget"><div class="title">', 'after_title' => '</div></div>', 'before_widget' => '<div class="col-2">', 'after_widget' => '</div>', ); register_sidebar( $args ); } add_action( 'widgets_init', 'custom_sidebars' );