diff --git a/example/pubspec.lock b/example/pubspec.lock
index 557bd60..1689318 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -67,30 +67,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  leak_tracker:
-    dependency: transitive
-    description:
-      name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
-      url: "https://pub.dev"
-    source: hosted
-    version: "10.0.0"
-  leak_tracker_flutter_testing:
-    dependency: transitive
-    description:
-      name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.1"
-  leak_tracker_testing:
-    dependency: transitive
-    description:
-      name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.1"
   lints:
     dependency: transitive
     description:
@@ -103,34 +79,34 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.16"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
+      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
       url: "https://pub.dev"
     source: hosted
-    version: "0.8.0"
+    version: "0.5.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: a6e590c838b18133bb482a2745ad77c5bb7715fb0451209e1a7567d416678b8e
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.10.0"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.8.3"
   sidebarx:
     dependency: "direct main"
     description:
@@ -199,14 +175,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
-  vm_service:
+  web:
     dependency: transitive
     description:
-      name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      name: web
+      sha256: afe077240a270dcfd2aafe77602b4113645af95d0ad31128cc02bce5ac5d5152
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "0.3.0"
 sdks:
-  dart: ">=3.2.0-0 <4.0.0"
+  dart: ">=3.2.0-194.0.dev <4.0.0"
   flutter: ">=1.17.0"
diff --git a/lib/src/theme/sidebarx_theme.dart b/lib/src/theme/sidebarx_theme.dart
index c6f25b5..7c2d92d 100644
--- a/lib/src/theme/sidebarx_theme.dart
+++ b/lib/src/theme/sidebarx_theme.dart
@@ -37,10 +37,10 @@ class SidebarXTheme {
   final double height;
 
   /// [SidebarX] padding
-  final EdgeInsets padding;
+  final EdgeInsetsGeometry padding;
 
   /// [SidebarX] margin
-  final EdgeInsets margin;
+  final EdgeInsetsGeometry margin;
 
   /// [SidebarX] decoration
   final BoxDecoration? decoration;
@@ -64,22 +64,22 @@ class SidebarXTheme {
   final BoxDecoration? selectedItemDecoration;
 
   /// Unselected item [SidebarXItem] marging
-  final EdgeInsets? itemMargin;
+  final EdgeInsetsGeometry? itemMargin;
 
   /// Selected item [SidebarXItem] marging
-  final EdgeInsets? selectedItemMargin;
+  final EdgeInsetsGeometry? selectedItemMargin;
 
   /// Unselected item [SidebarXItem] padding
-  final EdgeInsets? itemPadding;
+  final EdgeInsetsGeometry? itemPadding;
 
   /// Selected item [SidebarXItem] padding
-  final EdgeInsets? selectedItemPadding;
+  final EdgeInsetsGeometry? selectedItemPadding;
 
   /// Unselected item [SidebarXItem] text padding
-  final EdgeInsets? itemTextPadding;
+  final EdgeInsetsGeometry? itemTextPadding;
 
   /// Selected item [SidebarXItem] text padding
-  final EdgeInsets? selectedItemTextPadding;
+  final EdgeInsetsGeometry? selectedItemTextPadding;
 
   /// Background color of [SidebarXItem] when the mouse
   /// cursor hover over an item