add info() function. Works like notice() but show messages in a div with class info-message.

update code to use info() instead of notice() when appropriate (non-error message)
add info-message class style in themes

view/theme/loozah/style.css

@@ -290,6 +290,14 @@ nav {
 	background-color: #FFEEEE;
 	padding: 10px;
 }
+.info-message {
+	color: #204a87;
+	font-size: 1.1em;
+	border: 1px solid #3465a4;
+	background-color: #d7e3f1;
+	padding: 10px;
+}
+
 
 .nav-link {
 	float: right;