diff --git a/.idea/ng-implementation.iml b/.idea/ng-implementation.iml
index c956989..59d1756 100644
--- a/.idea/ng-implementation.iml
+++ b/.idea/ng-implementation.iml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="WEB_MODULE" version="4">
   <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/ng-demo" />
+    </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
diff --git a/sae-csc/src/app/shared/navigation/top-navigation/top-navigation.scss b/sae-csc/src/app/shared/navigation/top-navigation/top-navigation.scss
index e69de29..4dacd69 100644
--- a/sae-csc/src/app/shared/navigation/top-navigation/top-navigation.scss
+++ b/sae-csc/src/app/shared/navigation/top-navigation/top-navigation.scss
@@ -0,0 +1,4 @@
+.top-navigation{
+  background: #ccc;
+  color: white;
+}