diff --git a/assets/fonts/.gitkeep b/assets/fonts/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/assets/fonts/VarelaRound-Regular.ttf b/assets/fonts/VarelaRound-Regular.ttf
new file mode 100644
index 0000000..5d5cfdd
Binary files /dev/null and b/assets/fonts/VarelaRound-Regular.ttf differ
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index b63f22c..6fd2c1b 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 50;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -171,10 +171,12 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
 			inputPaths = (
+				"${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
 			);
 			name = "Thin Binary";
 			outputPaths = (
@@ -185,6 +187,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
diff --git a/lib/src/app.dart b/lib/src/app.dart
index b524aa6..e0116fa 100644
--- a/lib/src/app.dart
+++ b/lib/src/app.dart
@@ -1,3 +1,4 @@
+import 'package:counter_workshop/src/core/theme/app.theme.dart';
 import 'package:counter_workshop/src/features/counter/data/repositories/counter.repository.dart';
 import 'package:counter_workshop/src/features/counter/presentation/counter.page.dart';
 import 'package:flutter/material.dart';
@@ -8,11 +9,13 @@ class App extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final appTheme = AppTheme();
+
     return MaterialApp(
       title: 'Counter Demo',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
+      theme: appTheme.light,
+      darkTheme: appTheme.dark,
+      themeMode: ThemeMode.system,
       home: CounterPage(counterRepository: counterRepository),
     );
   }
diff --git a/lib/src/core/theme/app.theme.dart b/lib/src/core/theme/app.theme.dart
new file mode 100644
index 0000000..c7ddf20
--- /dev/null
+++ b/lib/src/core/theme/app.theme.dart
@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+class AppTheme {
+  // Light Mode
+  final Color primaryColor = Colors.black;
+  final Color scaffoldColor = const Color(0xfff5f5f5);
+  final Color headlineColor = const Color(0xff333333);
+
+  // Dark Mode
+  final Color primaryColorDark = Colors.white;
+  final Color scaffoldColorDark = const Color(0xff2a2a2a);
+  final Color headlineColorDark = const Color(0xffcdcdcd);
+
+  ThemeData get light {
+    return _buildTheme(isLightMode: true);
+  }
+
+  ThemeData get dark {
+    return _buildTheme(isLightMode: false);
+  }
+
+  ThemeData _buildTheme({bool isLightMode = true}) {
+    final ThemeData base = isLightMode ? ThemeData.light() : ThemeData.dark();
+    final currentPrimaryColor = isLightMode ? primaryColor : primaryColorDark;
+    final currentHeadlineColor = isLightMode ? headlineColor : headlineColorDark;
+
+    return base.copyWith(
+      brightness: isLightMode ? Brightness.light : Brightness.dark,
+      useMaterial3: true,
+      primaryColor: currentPrimaryColor,
+      scaffoldBackgroundColor: isLightMode ? scaffoldColor : scaffoldColorDark,
+      appBarTheme: base.appBarTheme.copyWith(
+        backgroundColor: Colors.transparent,
+        foregroundColor: currentPrimaryColor,
+        titleTextStyle: TextStyle(
+          fontSize: 22,
+          fontWeight: FontWeight.bold,
+          color: currentPrimaryColor,
+        ),
+      ),
+      outlinedButtonTheme: OutlinedButtonThemeData(
+        style: OutlinedButton.styleFrom(
+          side: BorderSide(width: 2.0, color: currentHeadlineColor),
+          foregroundColor: currentHeadlineColor,
+        ),
+      ),
+      textTheme: base.textTheme.copyWith(
+        headlineLarge: TextStyle(
+          fontFamily: 'VarelaRound',
+          color: currentHeadlineColor,
+          fontSize: 160,
+        ),
+      ),
+    );
+  }
+}
diff --git a/lib/src/core/utils/color.util.dart b/lib/src/core/utils/color.util.dart
new file mode 100644
index 0000000..a0486f1
--- /dev/null
+++ b/lib/src/core/utils/color.util.dart
@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+
+class ColorUtil {
+  static bool isLightMode(ThemeData theme) {
+    return theme.brightness == Brightness.light;
+  }
+
+  static bool isDarkMode(ThemeData theme) {
+    return theme.brightness == Brightness.dark;
+  }
+
+  static Color blackOrWhiteText(Color backgroundColor) {
+    return backgroundColor.computeLuminance() > 0.5 ? Colors.black : Colors.white;
+  }
+
+  static dynamic generateMaterialColor(int primaryColorInt, Color primaryColor) {
+    return MaterialColor(primaryColorInt, {
+      50: primaryColor.withOpacity(.1),
+      100: primaryColor.withOpacity(.2),
+      200: primaryColor.withOpacity(.3),
+      300: primaryColor.withOpacity(.4),
+      400: primaryColor.withOpacity(.5),
+      500: primaryColor.withOpacity(.6),
+      600: primaryColor.withOpacity(.7),
+      700: primaryColor.withOpacity(.8),
+      800: primaryColor.withOpacity(.9),
+      900: primaryColor.withOpacity(1),
+    });
+  }
+}
diff --git a/lib/src/features/counter/presentation/counter.controller.dart b/lib/src/features/counter/presentation/counter.controller.dart
index fc9eec1..32d8cd4 100644
--- a/lib/src/features/counter/presentation/counter.controller.dart
+++ b/lib/src/features/counter/presentation/counter.controller.dart
@@ -13,4 +13,11 @@ class CounterController {
     counterModel.value += 1;
     counterRepository.updateCounter(counterModel: counterModel);
   }
+
+  Future<void> decrement() async {
+    if (counterModel.value > 0) {
+      counterModel.value -= 1;
+      counterRepository.updateCounter(counterModel: counterModel);
+    }
+  }
 }
diff --git a/lib/src/features/counter/presentation/counter.page.dart b/lib/src/features/counter/presentation/counter.page.dart
index da1bff7..105f19c 100644
--- a/lib/src/features/counter/presentation/counter.page.dart
+++ b/lib/src/features/counter/presentation/counter.page.dart
@@ -24,9 +24,17 @@ class _CounterPageState extends State<CounterPage> {
     });
   }
 
+  void _decrementCounter() {
+    setState(() {
+      counterController.decrement();
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
+    final theme = Theme.of(context);
     return Scaffold(
+      extendBodyBehindAppBar: true,
       appBar: AppBar(
         title: const Text('Counter Page'),
       ),
@@ -34,20 +42,51 @@ class _CounterPageState extends State<CounterPage> {
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
             Text(
               '${counterController.counterModel.value}',
-              style: Theme.of(context).textTheme.headline4,
+              style: theme.textTheme.headlineLarge,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
+      floatingActionButton: Container(
+        padding: const EdgeInsets.symmetric(vertical: 5, horizontal: 40.0),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: <Widget>[
+            _CustomCircularButton(
+              icon: Icons.remove,
+              onPressed: _decrementCounter,
+            ),
+            _CustomCircularButton(
+              icon: Icons.add,
+              onPressed: _incrementCounter,
             ),
           ],
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
+    );
+  }
+}
+
+class _CustomCircularButton extends StatelessWidget {
+  const _CustomCircularButton({required this.icon, this.onPressed});
+
+  final IconData icon;
+  final Function()? onPressed;
+
+  @override
+  Widget build(BuildContext context) {
+    return OutlinedButton(
+      style: OutlinedButton.styleFrom(
+        shape: const CircleBorder(),
+        padding: const EdgeInsets.all(15),
+      ),
+      onPressed: onPressed,
+      child: Icon(
+        icon,
+        size: 50,
       ),
     );
   }
diff --git a/pubspec.lock b/pubspec.lock
index 9f08ebd..2c5f269 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,184 +5,210 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
+      sha256: eb376e9acf6938204f90eb3b1f00b578640d3188b4c8a8ec054f9f479af8d051
+      url: "https://pub.dev"
     source: hosted
-    version: "47.0.0"
+    version: "64.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      url: "https://pub.dartlang.org"
+      sha256: "69f54f967773f6c26c7dcb13e93d7ccee8b17a641689da39e878d5cf13b06893"
+      url: "https://pub.dev"
     source: hosted
-    version: "4.7.0"
+    version: "6.2.0"
   args:
     dependency: transitive
     description:
       name: args
-      url: "https://pub.dartlang.org"
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
     source: hosted
-    version: "2.3.1"
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.9.0"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   build:
     dependency: transitive
     description:
       name: build
-      url: "https://pub.dartlang.org"
+      sha256: "80184af8b6cb3e5c1c4ec6d8544d27711700bc3e6d2efad04238c7b5290889f0"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "2.4.1"
   build_config:
     dependency: transitive
     description:
       name: build_config
-      url: "https://pub.dartlang.org"
+      sha256: bf80fcfb46a29945b423bd9aad884590fb1dc69b330a4d4700cac476af1708d1
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   build_daemon:
     dependency: transitive
     description:
       name: build_daemon
-      url: "https://pub.dartlang.org"
+      sha256: "5f02d73eb2ba16483e693f80bee4f088563a820e47d1027d4cdfe62b5bb43e65"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.1.0"
+    version: "4.0.0"
   build_resolvers:
     dependency: transitive
     description:
       name: build_resolvers
-      url: "https://pub.dartlang.org"
+      sha256: "64e12b0521812d1684b1917bc80945625391cb9bdd4312536b1d69dcb6133ed8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.9"
+    version: "2.4.1"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
-      url: "https://pub.dartlang.org"
+      sha256: "10c6bcdbf9d049a0b666702cf1cee4ddfdc38f02a19d35ae392863b47519848b"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.4.6"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
-      url: "https://pub.dartlang.org"
+      sha256: c9e32d21dd6626b5c163d48b037ce906bbe428bc23ab77bcd77bb21e593b6185
+      url: "https://pub.dev"
     source: hosted
-    version: "7.2.3"
+    version: "7.2.11"
   built_collection:
     dependency: transitive
     description:
       name: built_collection
-      url: "https://pub.dartlang.org"
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
     source: hosted
     version: "5.1.1"
   built_value:
     dependency: transitive
     description:
       name: built_value
-      url: "https://pub.dartlang.org"
+      sha256: a8de5955205b4d1dbbbc267daddf2178bd737e4bab8987c04a500478c9651e74
+      url: "https://pub.dev"
     source: hosted
-    version: "8.4.1"
+    version: "8.6.3"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.0"
   checked_yaml:
     dependency: transitive
     description:
       name: checked_yaml
-      url: "https://pub.dartlang.org"
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.3"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   code_builder:
     dependency: transitive
     description:
       name: code_builder
-      url: "https://pub.dartlang.org"
+      sha256: "1be9be30396d7e4c0db42c35ea6ccd7cc6a1e19916b5dc64d6ac216b5544d677"
+      url: "https://pub.dev"
     source: hosted
-    version: "4.2.0"
+    version: "4.7.0"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.1"
   convert:
     dependency: transitive
     description:
       name: convert
-      url: "https://pub.dartlang.org"
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.1.1"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      sha256: d57953e10f9f8327ce64a508a355f0b1ec902193f66288e8cb5070e7c47eeb2d
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.5"
+    version: "1.0.6"
   dart_style:
     dependency: transitive
     description:
       name: dart_style
-      url: "https://pub.dartlang.org"
+      sha256: abd7625e16f51f554ea244d090292945ec4d4be7bfbaf2ec8cccea568919d334
+      url: "https://pub.dev"
     source: hosted
-    version: "2.2.3"
+    version: "2.3.3"
   equatable:
     dependency: "direct main"
     description:
       name: equatable
-      url: "https://pub.dartlang.org"
+      sha256: c2b87cb7756efdf69892005af546c56c0b5037f54d2a88269b4f347a505e3ca2
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.5"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
     source: hosted
-    version: "6.1.4"
+    version: "7.0.0"
   fixnum:
     dependency: transitive
     description:
       name: fixnum
-      url: "https://pub.dartlang.org"
+      sha256: "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -192,9 +218,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      sha256: ad76540d21c066228ee3f9d1dad64a9f7e46530e8bb7c85011a88bc1fd874bc5
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -204,156 +231,178 @@ packages:
     dependency: transitive
     description:
       name: frontend_server_client
-      url: "https://pub.dartlang.org"
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.3"
+    version: "3.2.0"
   glob:
     dependency: transitive
     description:
       name: glob
-      url: "https://pub.dartlang.org"
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   graphs:
     dependency: transitive
     description:
       name: graphs
-      url: "https://pub.dartlang.org"
+      sha256: aedc5a15e78fc65a6e23bcd927f24c64dd995062bcd1ca6eda65a3cff92a4d19
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.3.1"
   http:
     dependency: "direct main"
     description:
       name: http
-      url: "https://pub.dartlang.org"
+      sha256: "759d1a329847dd0f39226c688d3e06a6b8679668e350e2891a6474f8b4bb8525"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.13.5"
+    version: "1.1.0"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
-      url: "https://pub.dartlang.org"
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
     source: hosted
     version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
     source: hosted
-    version: "4.0.1"
+    version: "4.0.2"
   io:
     dependency: transitive
     description:
       name: io
-      url: "https://pub.dartlang.org"
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.3"
+    version: "1.0.4"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.7"
   json_annotation:
     dependency: transitive
     description:
       name: json_annotation
-      url: "https://pub.dartlang.org"
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
     source: hosted
-    version: "4.6.0"
+    version: "4.8.1"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.0"
+    version: "3.0.0"
   logging:
     dependency: transitive
     description:
       name: logging
-      url: "https://pub.dartlang.org"
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.12"
+    version: "0.12.15"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.5"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   mime:
     dependency: transitive
     description:
       name: mime
-      url: "https://pub.dartlang.org"
+      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
   package_config:
     dependency: transitive
     description:
       name: package_config
-      url: "https://pub.dartlang.org"
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.3"
   pool:
     dependency: transitive
     description:
       name: pool
-      url: "https://pub.dartlang.org"
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
-      url: "https://pub.dartlang.org"
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.4"
   pubspec_parse:
     dependency: transitive
     description:
       name: pubspec_parse
-      url: "https://pub.dartlang.org"
+      sha256: c63b2876e58e194e4b0828fcb080ad0e06d051cb607a6be51a9e084f47cb9367
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.2.3"
   shelf:
     dependency: transitive
     description:
       name: shelf
-      url: "https://pub.dartlang.org"
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.2"
+    version: "1.4.1"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      url: "https://pub.dartlang.org"
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -363,92 +412,105 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   stream_transform:
     dependency: transitive
     description:
       name: stream_transform
-      url: "https://pub.dartlang.org"
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.12"
+    version: "0.5.1"
   timing:
     dependency: transitive
     description:
       name: timing
-      url: "https://pub.dartlang.org"
+      sha256: "70a3b636575d4163c477e6de42f247a23b315ae20e86442bebe32d3cabf61c32"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.2"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   watcher:
     dependency: transitive
     description:
       name: watcher
-      url: "https://pub.dartlang.org"
+      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      url: "https://pub.dartlang.org"
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.4.0"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      url: "https://pub.dartlang.org"
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.2"
 sdks:
-  dart: ">=2.18.0 <3.0.0"
+  dart: ">=3.0.0 <4.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 64199fa..278e214 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,21 +14,25 @@ dependencies:
 
   cupertino_icons: ^1.0.2
   equatable: ^2.0.5
-  http: ^0.13.5
+  http: ^1.1.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  flutter_lints: ^2.0.0
+  flutter_lints: ^3.0.0
   build_runner: ^2.2.0
 
 flutter:
   uses-material-design: true
 
+  fonts:
+    - family: VarelaRound
+      fonts:
+        - asset: assets/fonts/VarelaRound-Regular.ttf
+
   assets:
     - assets/images/ # .png/.jpg images
     - assets/icons/ # .svg icons
     - assets/fonts/ # Custom Fonts
-    - assets/launcher_icon/ # App icon image to generate from
-
+    - assets/launcher_icon/ # App icon image to generate from
\ No newline at end of file
diff --git a/test/widget_test.dart b/test/widget_test.dart
index 6031a2c..977ae37 100644
--- a/test/widget_test.dart
+++ b/test/widget_test.dart
@@ -13,7 +13,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+  testWidgets('Counter Smoke Test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
     await tester.pumpWidget(
       App(counterRepository: CounterRepository(counterApi: CounterFakeApi(), counterDatabase: CounterDatabase())),
@@ -24,12 +24,25 @@ void main() {
     expect(find.text('0'), findsOneWidget);
     expect(find.text('1'), findsNothing);
 
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
+    // Tap the '-' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.remove));
+    await tester.pumpAndSettle();
     await tester.pumpAndSettle(const Duration(milliseconds: 300)); // Because of FakeApi delay
 
+    // Verify that our counter does not decremented.
+    expect(find.text('-1'), findsNothing);
+    expect(find.text('0'), findsOneWidget);
+
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pumpAndSettle(const Duration(milliseconds: 300)); // Because of FakeApi delay
     // Verify that our counter has incremented.
     expect(find.text('0'), findsNothing);
     expect(find.text('1'), findsOneWidget);
+
+    await tester.tap(find.byIcon(Icons.remove));
+    await tester.pumpAndSettle(const Duration(milliseconds: 300)); // Because of FakeApi delay
+    // Verify that our counter has decremented.
+    expect(find.text('1'), findsNothing);
+    expect(find.text('0'), findsOneWidget);
   });
 }