function spasalon_some_widgets(){

	unregister_sidebar( 'sidebar-project' );
	register_sidebar( array(
	'name' => __( 'Project content widget area', 'spasalon' ),
	'id' => 'sidebar-project',
	'description' => __( 'Project content widget area', 'spasalon' ),
	'before_widget' => '<div id="%1$s" class="col-md-4 widget item-product  %2$s">',
	'after_widget' => '</div>',
	'before_title' => '<h4 class="widget-title">',
	'after_title' => '</h4>'
	) );
}
add_action( 'widgets_init', 'spasalon_some_widgets', 11 );