diff --git a/src/Ursa/Common/Constants.cs b/src/Ursa/Common/Constants.cs
new file mode 100644
index 00000000..acaab23c
--- /dev/null
+++ b/src/Ursa/Common/Constants.cs
@@ -0,0 +1,6 @@
+namespace Ursa.Common;
+
+internal static class Constants
+{
+    public static readonly char[] SpaceSeparator = [' '];
+}
\ No newline at end of file
diff --git a/src/Ursa/Controls/Dialog/Dialog.cs b/src/Ursa/Controls/Dialog/Dialog.cs
index 9922f155..73ddc053 100644
--- a/src/Ursa/Controls/Dialog/Dialog.cs
+++ b/src/Ursa/Controls/Dialog/Dialog.cs
@@ -1,6 +1,7 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
+using Ursa.Common;
 
 namespace Ursa.Controls;
 
@@ -216,7 +217,7 @@ private static void ConfigureDialogWindow(DialogWindow window, DialogOptions? op
         }
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             window.Classes.AddRange(styles);
         }
     }
@@ -247,7 +248,7 @@ private static void ConfigureDefaultDialogWindow(DefaultDialogWindow window, Dia
         }
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             window.Classes.AddRange(styles);
         }
     }
diff --git a/src/Ursa/Controls/Dialog/OverlayDialog.cs b/src/Ursa/Controls/Dialog/OverlayDialog.cs
index 6028f83f..bc6e01a5 100644
--- a/src/Ursa/Controls/Dialog/OverlayDialog.cs
+++ b/src/Ursa/Controls/Dialog/OverlayDialog.cs
@@ -2,6 +2,7 @@
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Layout;
+using Ursa.Common;
 
 namespace Ursa.Controls;
 
@@ -207,7 +208,7 @@ private static void ConfigureCustomDialogControl(CustomDialogControl control, Ov
         control.CanResize = options.CanResize;
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             control.Classes.AddRange(styles);
         }
         DialogControlBase.SetCanDragMove(control, options.CanDragMove);
@@ -238,7 +239,7 @@ private static void ConfigureDefaultDialogControl(DefaultDialogControl control,
         control.CanResize = options.CanResize;
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             control.Classes.AddRange(styles);
         }
         DialogControlBase.SetCanDragMove(control, options.CanDragMove);
diff --git a/src/Ursa/Controls/Drawer/Drawer.cs b/src/Ursa/Controls/Drawer/Drawer.cs
index 2bc33408..f2e0b858 100644
--- a/src/Ursa/Controls/Drawer/Drawer.cs
+++ b/src/Ursa/Controls/Drawer/Drawer.cs
@@ -3,6 +3,7 @@
 using Avalonia.Input;
 using Ursa.Common;
 using Ursa.Controls.Options;
+// ReSharper disable RedundantExplicitArrayCreation
 
 namespace Ursa.Controls;
 
@@ -220,7 +221,7 @@ private static void ConfigureCustomDrawer(CustomDrawerControl drawer, DrawerOpti
 
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             drawer.Classes.AddRange(styles);
         }
     }
@@ -247,7 +248,7 @@ private static void ConfigureDefaultDrawer(DefaultDrawerControl drawer, DrawerOp
         }
         if (!string.IsNullOrWhiteSpace(options.StyleClass))
         {
-            var styles = options.StyleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = options.StyleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             drawer.Classes.AddRange(styles);
         }
     }
diff --git a/src/Ursa/Controls/MessageBox/MessageBox.cs b/src/Ursa/Controls/MessageBox/MessageBox.cs
index 14c6c8ad..e998bb46 100644
--- a/src/Ursa/Controls/MessageBox/MessageBox.cs
+++ b/src/Ursa/Controls/MessageBox/MessageBox.cs
@@ -2,6 +2,7 @@
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Input;
+using Ursa.Common;
 
 namespace Ursa.Controls;
 
@@ -22,7 +23,7 @@ public static async Task<MessageBoxResult> ShowAsync(
         };
         if (!string.IsNullOrWhiteSpace(styleClass))
         {
-            var styles = styleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = styleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             messageWindow.Classes.AddRange(styles);
         }
         var lifetime = Application.Current?.ApplicationLifetime;
@@ -54,7 +55,7 @@ public static async Task<MessageBoxResult> ShowAsync(
         };
         if (!string.IsNullOrWhiteSpace(styleClass))
         {
-            var styles = styleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = styleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             messageWindow.Classes.AddRange(styles!);
         }
         var result = await messageWindow.ShowDialog<MessageBoxResult>(owner);
@@ -82,7 +83,7 @@ public static async Task<MessageBoxResult> ShowOverlayAsync(
         };
         if (!string.IsNullOrWhiteSpace(styleClass))
         {
-            var styles = styleClass!.Split([' '], StringSplitOptions.RemoveEmptyEntries);
+            var styles = styleClass!.Split(Constants.SpaceSeparator, StringSplitOptions.RemoveEmptyEntries);
             messageControl.Classes.AddRange(styles!);
         }
         host.AddModalDialog(messageControl);