update2

lib/parentSignUp.dart

@@ -96,7 +96,7 @@ class _ParentSignupPageState extends State<ParentSignupPage> {
                         signUp(emailController.text, passwordController.text, 'parent', context);
                       },
                       style: ElevatedButton.styleFrom(
-                        primary: Color.fromARGB(255, 48, 206, 53), // Note: 'const' was removed for consistency
+                        primary: Colors.blueAccent,  // Note: 'const' was removed for consistency
                         shape: RoundedRectangleBorder(
                           borderRadius: BorderRadius.circular(10.0),
                         ),

lib/teachersignup.dart

@@ -105,11 +105,13 @@ class _TeacherSignupPageState extends State<TeacherSignupPage> {
                       );
                     },
                     style: ElevatedButton.styleFrom(
-                      primary: Color.fromARGB(255, 48, 206, 53), // Green background color
+                      primary: Colors.blueAccent, // Green background color
                       shape: RoundedRectangleBorder(
                         borderRadius: BorderRadius.circular(10.0), // Rounded corners
                       ),
                       padding: EdgeInsets.all(12.0), // Padding inside the button
+                      minimumSize: Size(140, 50), // Set the minimum width and height of the button
+
                     ),
                     child: Text(
                       'Next',
@@ -261,11 +263,12 @@ class AdditionalInfoPage extends StatelessWidget {
                   signUp(emailController.text, passwordController.text, rool, context);
                 },
                 style: ElevatedButton.styleFrom(
-                    primary: Color.fromARGB(255, 48, 206, 53), // Green background color
+                  primary: Colors.blueAccent,  // Green background color
                   shape: RoundedRectangleBorder(
                     borderRadius: BorderRadius.circular(10.0), // Rounded corners
                   ),
                   padding: EdgeInsets.symmetric(horizontal: 10.0), // Reduced padding
+                  minimumSize: Size(140, 50), // Set the minimum width and height of the button
                 ),
                 child: Text(
                   'Finish',
@@ -275,6 +278,7 @@ class AdditionalInfoPage extends StatelessWidget {
                   ),
                 ),
               ),
+
               ),
             )
           ],