Show Hide Different Widgets On Desktop & Mobile Screens Step 1 https://wpsites.net/web-design/show-hide-different-widgets-on-desktop-mobile-screens/#step-1

functions.php

genesis_register_sidebar( array(
	'id'          => 'before-header',
	'name'        => __( 'Before Header', 'genesis-sample' ),
	'description' => __( 'Before Header Widget Area Site Wide', 'genesis-sample' ),
) );


add_action( 'genesis_before_header', 'add_widget_before_header', 5 );
function add_widget_before_header() {

	if ( is_active_sidebar('before-header') ) {
	
		genesis_widget_area( 'before-header', array(
			'before' => '<div class="before-header" class="widget-area">',
			'after'	 => '</div>',
		) );

    }
}