style - add Render func

style/style.go

@@ -135,3 +135,9 @@ func (s *Styles) Keyval(key string, val string, names ...string) {
 		sv.Apply(val),
 	)
 }
+
+func (s *Styles) Render() {
+	for name, style := range s.List {
+		style.Echof("it's style : %s\n", name)
+	}
+}