diff --git a/www/tutorial/app/app.component.css b/www/tutorial/app/app.component.css
index e86541e73..ce2386b08 100644
--- a/www/tutorial/app/app.component.css
+++ b/www/tutorial/app/app.component.css
@@ -1,7 +1,7 @@
 .tutorial-nav {
   display: inline-block;
   position: fixed;
-  top: 10;
+  top: 10px;
   right: 0;
   width: 150px;
   height: 60px;
@@ -24,7 +24,7 @@ img {
   width: 100px;
   padding-bottom: 5px;
   position: fixed;
-  bottom: 10;
+  bottom: 10px;
   right: 30px;
   z-index: 100;
 }