diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/system/system.messages.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/system/system.messages.css	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,63 @@
+
+/**
+ * @file
+ * Styles for system messages.
+ */
+
+div.messages {
+  background-position: 8px 8px; /* LTR */
+  background-repeat: no-repeat;
+  border: 1px solid;
+  margin: 6px 0;
+  padding: 10px 10px 10px 50px; /* LTR */
+}
+
+div.status {
+  background-image: url(../../misc/message-24-ok.png);
+  border-color: #be7;
+}
+div.status,
+.ok {
+  color: #234600;
+}
+div.status,
+table tr.ok {
+  background-color: #f8fff0;
+}
+
+div.warning {
+  background-image: url(../../misc/message-24-warning.png);
+  border-color: #ed5;
+}
+div.warning,
+.warning {
+  color: #840;
+}
+div.warning,
+table tr.warning {
+  background-color: #fffce5;
+}
+
+div.error {
+  background-image: url(../../misc/message-24-error.png);
+  border-color: #ed541d;
+}
+div.error,
+.error {
+  color: #8c2e0b;
+}
+div.error,
+table tr.error {
+  background-color: #fef5f1;
+}
+div.error p.error {
+  color: #333;
+}
+
+div.messages ul {
+  margin: 0 0 0 1em; /* LTR */
+  padding: 0;
+}
+div.messages ul li {
+  list-style-image: none;
+}