Adjusted some renderflex errors

lib/I_GUIDER/i_guider.dart

@@ -7,23 +7,27 @@ import 'package:flutter/material.dart';
 class I_guider extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    final mesure = MediaQuery.of(context);
     return Scaffold(
-      backgroundColor: Colors.grey[200],
+      backgroundColor: Colors.white,
       appBar: AppBar(
+        centerTitle: true,
         title: Text('I-Guider'),
         // elevation: 0,
       ),
-      body: Column(
+      body: SingleChildScrollView(
+        child: Column(
           children: [
             Row(
               children: [
                 Expanded(
                   child: Container(
+                    height: mesure.size.height/3,
                     decoration: BoxDecoration(
                         image: DecorationImage(
                             image: AssetImage('lib/assets/images/hero.gif'),
                             fit: BoxFit.cover)),
-                  height: 300,
+
                   ),
                 ),
               ],
@@ -150,6 +154,7 @@ class I_guider extends StatelessWidget {
             ),
           ],
         ),
+      ),
     );
   }
 }