function my_lightning_widgets_init_home_top() {
	register_sidebar(
		array(
			'name'          => __( 'Home content top', 'lightning' ),
			'id'            => 'home-content-top-widget-area',
			'before_widget' => '<div class="widget %2$s" id="%1$s">',
			'after_widget'  => '</div>',
			'before_title'  => '<h2>',
			'after_title'   => '</h2>',
		)
	);
}
add_action( 'widgets_init', 'my_lightning_widgets_init_home_top' );

function my_lightning_widgets_add_home_top() {
	if ( is_front_page() ) {
		if ( is_active_sidebar( 'home-content-top-widget-area' ) ) {
			dynamic_sidebar( 'home-content-top-widget-area' );
		}
	}
}
add_action( 'lightning_main_section_prepend', 'my_lightning_widgets_add_home_top' );