reverse animation time changed to 500ms.

lib/widgets/routes/custom_page_route.dart

@@ -8,7 +8,8 @@ class CustomPageRoute extends PageRouteBuilder {
 
   CustomPageRoute({required this.page, this.direction = AxisDirection.right})
       : super(
-          transitionDuration: const Duration(milliseconds: 1000),
+          transitionDuration: const Duration(milliseconds: 1500),
+          reverseTransitionDuration: const Duration(milliseconds: 500),
           pageBuilder: (_, __, ___) => page,
           transitionsBuilder: (context, animation, secondaryAnimation, child) {
             final spring = SpringDescription(mass: 1, stiffness: 100, damping: 15);

lib/widgets/routes/spring_page_route_builder.dart

@@ -4,7 +4,8 @@ import 'package:flutter/widgets.dart';
 PageRouteBuilder springPageRoute(Widget page) {
   return PageRouteBuilder(
     pageBuilder: (_, __, ___) => page,
-    transitionDuration: const Duration(milliseconds: 1000),
+    transitionDuration: const Duration(milliseconds: 1500),
+    reverseTransitionDuration: const Duration(milliseconds: 500),
     transitionsBuilder: (context, animation, secondaryAnimation, child) {
       final spring = SpringDescription(mass: 1, stiffness: 100, damping: 15);