gppro_css_builder_data

Modify the CSS data array prior to building the CSS output.

Change the header nav stack to 'lato'

add_filter( 'gppro_css_builder_data', 'my_gppro_css_builder_data' );
/**
 * Change the header nav stack to 'lato'
 */
function my_gppro_css_builder_data( $data ) {
	$data['header-nav-stack'] = 'lato';
	return $data;
}