In Angular 2 template, always load CSS via ExtractTextPlugin (otherwise you get a bad FOUC when loading server-prerendered page)

templates/Angular2Spa/ClientApp/boot-client.ts

@@ -1,4 +1,5 @@
 import 'bootstrap/dist/css/bootstrap.css';
+import './styles/site.css';
 
 import { bootstrap } from 'angular2/platform/browser';
 import { FormBuilder } from 'angular2/common';

templates/Angular2Spa/ClientApp/components/app/app.css

@@ -1,6 +0,0 @@
-@media (max-width: 767px) {
-    /* On small screens, the nav menu spans the full width of the screen. Leave a space for it. */
-    .body-content {
-        padding-top: 50px;
-    }
-}

templates/Angular2Spa/ClientApp/components/app/app.ts

@@ -16,7 +16,6 @@ import { Counter } from '../counter/counter';
 ])
 @ng.View({
     template: require('./app.html'),
-    styles: [require('./app.css')],
     directives: [NavMenu, router.ROUTER_DIRECTIVES]
 })
 export class App {

templates/Angular2Spa/ClientApp/components/nav-menu/nav-menu.ts

@@ -6,8 +6,7 @@ import * as router from 'angular2/router';
 })
 @ng.View({
   template: require('./nav-menu.html'),
-  directives: [router.ROUTER_DIRECTIVES],
-  styles: [require('./nav-menu.css')]
+  directives: [router.ROUTER_DIRECTIVES]
 })
 export class NavMenu {
 }

templates/Angular2Spa/ClientApp/styles/site.css

@@ -1,3 +1,10 @@
+@media (max-width: 767px) {
+    /* On small screens, the nav menu spans the full width of the screen. Leave a space for it. */
+    .body-content {
+        padding-top: 50px;
+    }
+}
+
 .main-nav li .glyphicon {
     margin-right: 10px;
 }
@@ -10,7 +17,6 @@
     color: white;
 }
 
-
 /* Keep the nav menu independent of scrolling and on top of other items */
 .main-nav {
     position: fixed;