themes-wordpress/varia/sass/vendors/woocommerce/elements/_small-note.scss

/**
 * Small Note
 */

body[class*="woocommerce"] #page { // adding #page here to override default wc styles without !important
	small.note {
		color: map-deep-get($config-global, "color", "foreground", "light");
		font-size: map-deep-get($config-global, "font", "size", "sm");
		margin-top: map-deep-get($config-global, "spacing", "unit");
	}
}