func (s *Selection) CSS(property string) (string, error) {
	return s.hasProperty(element.Element.GetCSS, property, "CSS property")
}
func (s *Selection) CSS(property string) (string, error) {
	return s.hasProperty(element.Element.GetCSS, property, "CSS property")
}
func ( s * Selection ) CSS ( property string ) ( string , error ) { return s . hasProperty ( element . Element . GetCSS , property , " " ) }
// CSS returns a CSS style property value for exactly one element.
CSS returns a CSS style property value for exactly one element .