diff --git a/dist/formfx.css b/dist/formfx.css
index 7af9be3049bf3cd5fe37f3a18191c7fda78735b7..c0922f1cb91c43ae391335d286112b4355a4fdd2 100644
--- a/dist/formfx.css
+++ b/dist/formfx.css
@@ -48,4 +48,15 @@
 }
 .formfx form fieldset fieldset label {
   margin-left: 123px; /* Width plus 3 (html space) */
-}
\ No newline at end of file
+}
+
+
+/* messages d'erreur */
+.formulaire_erreur {
+  color: red;
+}
+
+/* messages de retour */
+.formulaire_message {
+  color: green;
+}