вот примеры https://yandex.ru/images/search?text=%D1%80%D1%83%D0%BB%D0%BE%D0%BD%D0%BD%D1%8B%D0%B5+%D1%88%D1%82%D0%BE%D1%80%D1%8B+%D0%BF%D0%BE%D0%B4%D0%BD%D0%B8%D0%BC%D0%B0%D1%8E%D1%89%D0%B8%D0%B5%D1%81%D1%8F+%D1%81%D0%BD%D0%B8%D0%B7%D1%83+%D0%B2%D0%B2%D0%B5%D1%80%D1%85