lib/app_theme.dart

@@ -3,6 +3,8 @@ import 'package:flutter/material.dart';
 class AppTheme {
   AppTheme._();
 
+  static const double formColumnSpacing = 12.0;
+
   static ThemeData get lightTheme => _baseTheme(
     colorScheme: ColorScheme.fromSeed(
       seedColor: Colors.indigo,

lib/pages/task_edit_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 
+import '../app_theme.dart';
 import '../model/callback_models/create_task_request.dart';
 import '../model/extensions/controller_context.dart';
 import '../model/task.dart';
@@ -80,7 +81,7 @@ class _TaskEditPageState extends State<TaskEditPage> {
             horizontal: MediaQuery.of(context).size.width * 0.05,
           ),
           child: Column(
-            spacing: 12,
+            spacing: AppTheme.formColumnSpacing,
             children: [
               SizedBox(height: 6),
               TextFormField(