title: How do I increase font size in Dart
body: <p>I'm new in Flutter+Dart and trying to increase font size but hard to understand documentation + implement to my work. Here is the file. How can I solve my problem?</p>
  
  <pre><code>import 'package:flutter/material.dart';
  
  void main() =&gt; runApp(NewApp());
  
  
  
  class NewApp extends StatelessWidget {
    @override
    Widget build(BuildContext context) {
      return new MaterialApp(
        home: new Scaffold(
          appBar: new AppBar(
            title: new Text('App Header'),
          ),
          body:  new Column(
            children: [
              new Container(
                margin: new EdgeInsets.all(10.0),
                child: new Card(
                  child: new Column(
                    children: &lt;Widget&gt;[
                      new Container(
                        padding: new EdgeInsets.all(10.0),
                        child: new Text('Hello Macaw'),
                      ),
                    ],
                  ),
                ),
              )
            ],
          ),
        ),
      );
    }
  }
  </code></pre>