selectable.go
func (s *selectable) All(selector string) *MultiSelection {
	return newMultiSelection(s.session, s.selectors.Append(target.CSS, selector))
}
func (s *selectable) All(selector string) *MultiSelection {
	return newMultiSelection(s.session, s.selectors.Append(target.CSS, selector))
}
// All finds zero or more elements by CSS selector.