demo(prerender): add theme to prerender demo (#13516)

src/universal-app/index.html

@@ -2,7 +2,11 @@
 <html lang="en">
 <head>
   <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>Angular Material Universal Kitchen Sink Test</title>
+  <link href="theme.css" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
+  <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet">
   <base href="/">
 </head>
 <body>

src/universal-app/kitchen-sink/kitchen-sink.html

@@ -10,16 +10,16 @@
 <h2>Button</h2>
 
 <button mat-button>go</button>
-<button mat-icon-button>go</button>
+<button mat-icon-button><mat-icon>search</mat-icon></button>
 <button mat-raised-button>go</button>
-<button mat-fab>go</button>
-<button mat-mini-fab>go</button>
+<button mat-fab><mat-icon>home</mat-icon></button>
+<button mat-mini-fab><mat-icon>favorite</mat-icon></button>
 
 <a mat-button href="https://google.com">Google</a>
-<a mat-icon-button href="https://google.com">Google</a>
+<a mat-icon-button href="https://google.com"><mat-icon>search</mat-icon></a>
 <a mat-raised-button href="https://google.com">Google</a>
-<a mat-fab href="https://google.com">Google</a>
-<a mat-mini-fab href="https://google.com">Google</a>
+<a mat-fab href="https://google.com"><mat-icon>home</mat-icon></a>
+<a mat-mini-fab href="https://google.com"><mat-icon>favorite</mat-icon></a>
 
 <h2>Button toggle</h2>
 
@@ -107,7 +107,7 @@
 </mat-grid-list>
 
 <h2>Icon</h2>
-<mat-icon>ligature</mat-icon>
+<mat-icon>grade</mat-icon>
 
 <h2>Input</h2>
 
@@ -361,6 +361,6 @@
 
 <h2>Badge</h2>
 
-<button mat-raised-button matBadge="Clicked 1337 times">
+<button mat-raised-button matBadge="99">
   Clicky thing
 </button>

src/universal-app/theme.scss

@@ -0,0 +1,16 @@
+@import '../lib/core/theming/all-theme';
+
+// Plus imports for other components in your app.
+
+// Include the common styles for Angular Material. We include this here so that you only
+// have to load a single css file for Angular Material in your app.
+// **Be sure that you only ever include this mixin once!**
+@include mat-core();
+
+// Define the default theme (same as the example above).
+$candy-app-primary: mat-palette($mat-indigo);
+$candy-app-accent:  mat-palette($mat-pink, A200, A100, A400);
+$candy-app-theme:   mat-light-theme($candy-app-primary, $candy-app-accent);
+
+// Include the default theme styles.
+@include angular-material-theme($candy-app-theme);