scss

src/app/app.d.ts

@@ -1 +1,2 @@
 declare module '*.html';
+declare function require(s: string): any;

src/app/main.ts

@@ -1,6 +1,8 @@
 import { enableProdMode } from '@angular/core';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
+require('../scss/styles.scss');
+
 import { AppModule } from './app.module';
 
 platformBrowserDynamic().bootstrapModule(AppModule);

src/scss/styles.scss

@@ -0,0 +1,6 @@
+html, body {
+    margin: 0;
+    padding: 0;
+    height: 100%;
+    background-color: gray;
+}