Make the stocks app slightly prettier.

sky/examples/stocks/stocks.sky

 <!--
 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 -->
 <import src="/sky/framework/sky-drawer.sky" />
 <import src="/sky/framework/sky-element.sky" />
 <import src="/sky/framework/sky-scrollable.sky" />
 <import src="stock.sky" as='view'/>
 <import src='companylist.sky' as='model'/>
 
 <sky-element>
 <template>
   <style>
     :host {
       display: flex;
       flex-direction: column;
       height: -webkit-fill-available;
+      font: 'Helvetica';
     }
     sky-drawer {
       position: absolute;
       z-index: 1;
       top: 0;
       left: 0;
       bottom: 0;
       right: 0;
     }
     sky-toolbar {
@@ skipping 13 matching lines @@
       margin: 0 8px;
       background-color: papayawhip;
       color: black;
     }
     #title {
       flex: 1;
       margin: 0 8px;
     }
     sky-scrollable {
       flex: 1;
-      background-color: green;
     }
   </style>
   <sky-drawer id="drawer">
     I am drawer
   </sky-drawer>
   <sky-toolbar>
     <div id="menu" />
     I am a stocks app
   </sky-toolbar>
   <sky-scrollable id='stock_list'>
   </sky-scrollable>
 </template>
 <script>
 import "dart:sky";
+import "dart:math";
 
 @Tagname('stocks')
 class Stocks extends SkyElement {
   Element _drawer;
 
   void shadowRootReady() {
     _drawer = shadowRoot.getElementById('drawer');
     Element menu = shadowRoot.getElementById('menu');
     menu.addEventListener('click', _handleMenuClick);
     populateStockList();
   }
 
   void populateStockList() {
     Element stockList = shadowRoot.getElementById('stock_list');
-    // Limit to first 100 to avoid taking seconds to load.
+    // Limit to 100 to avoid taking seconds to load.
+    var rng = new Random();
     for (var i = 0; i < 100; i++) {
-      model.Stock stock = model.oracle.stocks[i];
-      stockList.appendChild(new view.Stock()..ticker = stock.symbol);
+      List<model.Stock> list = model.oracle.stocks;
+      model.Stock stock = list[rng.nextInt(list.length)];
+      stockList.appendChild(new view.Stock()..model = stock);
     }
   }
 
   void _handleMenuClick(_) {
     _drawer.toggle();
   }
 }
 
 _init(script) => register(script, Stocks);
 </script>
 </sky-element>