added new v5 style login screen

filcnaplo_mobile_ui/lib/screens/login/login_button.dart

@@ -1,3 +1,4 @@
+import 'package:filcnaplo/theme/colors/colors.dart';
 import 'package:flutter/material.dart';
 
 class LoginButton extends StatelessWidget {
@@ -9,21 +10,21 @@ class LoginButton extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialButton(
+      child: Padding(
+        padding: const EdgeInsets.symmetric(
+          vertical: 6.0,
+        ),
+        child: child,
+      ),
       elevation: 0,
       focusElevation: 0,
       hoverElevation: 0,
       highlightElevation: 0,
-      minWidth: MediaQuery.of(context).size.width - 64.0,
+      minWidth: double.infinity,
       onPressed: onPressed,
       shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12.0)),
-      color: Colors.white,
-      textColor: Colors.black,
-      child: Padding(
-        padding: const EdgeInsets.symmetric(
-          vertical: 15.0,
-        ),
-        child: child,
-      ),
+      color: AppColors.of(context).buttonBackground,
+      textColor: Colors.white,
     );
   }
 }