1.TextStyle

Widget current = Row(  mainAxisAlignment: MainAxisAlignment.center,  crossAxisAlignment: CrossAxisAlignment.end,  children: <Widget>[    Container(      color: Colors.blue,      child: new Text(        "DDX",        style: TextStyle(          fontSize: 100,        ),      ),    ),    Container(      height: 100,      width: 100,      color: Colors.red,    )  ],);
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