title: No RaisedButton
body: <p><strong>Code doesn't work</strong>
  Try to implement an ElevatedButton.
  Someone have a idea?</p>
  <p>I don't know how to fix it...</p>
  <hr />
  <pre><code>class _MyStatefullWidgetState extends State&lt;MyStatefullWidget&gt;{
  </code></pre>
  <p>get raisedButtonStyle =&gt; null;</p>
  <p>@override
  Widget build(BuildContext context) {
  return Container(
  color: Colors.red,
  child: Center(
  child: ElevatedButton(
  style: raisedButtonStyle,
  child: Text(&quot;Klick mich&quot;, textDirection: TextDirection.ltr),
  onPressed: () {
  print(&quot;Hallo&quot;);
  },
  ),
  ),
  );</p>