table line not showing

[TMuhammed]

Hello I have a problem with the table line is not visible please help here is my code

import 'package:flutter/material.dart';
import 'package:flutter_html/flutter_html.dart';
import 'package:flutter_html/html_parser.dart';
import 'package:flutter_html/style.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
// This widget is the root of your application.
@OverRide
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
theme: new ThemeData(
primarySwatch: Colors.deepPurple,
),
home: new MyHomePage(title: 'flutter_html Example'),
);
}
}

class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);

final String title;

@OverRide
_MyHomePageState createState() => new _MyHomePageState();
}

const htmlData = """

“AGRODRIP”  корхонаси ишлаб чиқараётган маҳсулотлар

 

Маҳсулот номи	Ўлчов бирлиги	Нархи, <p style="margin-left:0cm; margin-right:0cm; text-align:center"><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt">сўм</span></span></span></p> </td> </tr> </thead>

""";

class _MyHomePageState extends State {
@OverRide
Widget build(BuildContext context) {
return new Scaffold(
appBar: AppBar(
title: Text('flutter_html Example'),
centerTitle: true,
),
body: SingleChildScrollView(
child: Html(
data: htmlData,
//Optional parameters:
style: {
"html": Style(
backgroundColor: Colors.black12,
// color: Colors.white,
),
// "h1": Style(
// textAlign: TextAlign.center,
// ),
"table": Style(
backgroundColor: Color.fromARGB(0x50, 0xee, 0xee, 0xee),
),
"tr": Style(
border: Border(bottom: BorderSide(color: Colors.grey)),
),
"th": Style(
padding: EdgeInsets.all(6),
backgroundColor: Colors.grey,
),
""
"td": Style(
padding: EdgeInsets.all(6),
),
"var": Style(fontFamily: 'serif'),
},
// customRender: {
// "flutter": (RenderContext context, Widget child, attributes, _) {
// return FlutterLogo(
// style: (attributes['horizontal'] != null)
// ? FlutterLogoStyle.horizontal
// : FlutterLogoStyle.markOnly,
// textColor: context.style.color,
// size: context.style.fontSize.size * 5,
// );
// },
// },
onLinkTap: (url) {
print("Opening $url...");
},
onImageTap: (src) {
print(src);
},
onImageError: (exception, stackTrace) {
print(exception);
},
),
),
);
}
}