diff --git a/FloatingStatusWindowLibrary/FloatingStatusWindow.cs b/FloatingStatusWindowLibrary/FloatingStatusWindow.cs
index c3431df..ed9abc3 100644
--- a/FloatingStatusWindowLibrary/FloatingStatusWindow.cs
+++ b/FloatingStatusWindowLibrary/FloatingStatusWindow.cs
@@ -1,5 +1,4 @@
-using Common.Native;
-using FloatingStatusWindowLibrary.Properties;
+using FloatingStatusWindowLibrary.Properties;
 using Hardcodet.Wpf.TaskbarNotification;
 using System;
 using System.Windows;
diff --git a/FloatingStatusWindowLibrary/MainWindow.xaml b/FloatingStatusWindowLibrary/MainWindow.xaml
index a88e345..f84c55c 100644
--- a/FloatingStatusWindowLibrary/MainWindow.xaml
+++ b/FloatingStatusWindowLibrary/MainWindow.xaml
@@ -1,21 +1,52 @@
 <windows:SnappingWindow x:Class="FloatingStatusWindowLibrary.MainWindow"
-        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:htmlLabelControl="clr-namespace:Common.Wpf.HtmlLabelControl;assembly=Common.Wpf"
-        xmlns:windows="clr-namespace:Common.Wpf.Windows;assembly=Common.Wpf"
-        windows:ControlBox.HasMaximizeButton="False" windows:ControlBox.HasMinimizeButton="False" windows:ControlBox.HasSystemMenu="False"
-        Title="FloatingStatusWindow" Height="250" Width="400" WindowStyle="None" AllowsTransparency="True" ResizeMode="CanResize" Background="Transparent" ShowInTaskbar="False"
-        x:ClassModifier="internal">
+                        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                        xmlns:htmlLabelControl="clr-namespace:Common.Wpf.HtmlLabelControl;assembly=Common.Wpf"
+                        xmlns:windows="clr-namespace:Common.Wpf.Windows;assembly=Common.Wpf"
+                        windows:ControlBox.HasMaximizeButton="False"
+                        windows:ControlBox.HasMinimizeButton="False"
+                        windows:ControlBox.HasSystemMenu="False"
+                        Title="FloatingStatusWindow"
+                        Height="250"
+                        Width="400"
+                        WindowStyle="None"
+                        AllowsTransparency="True"
+                        ResizeMode="CanResize"
+                        Background="Transparent"
+                        ShowInTaskbar="False"
+                        x:ClassModifier="internal">
 
-    <Border Name="BorderFull" BorderThickness="4,0,4,4" Background="Transparent" Margin="0">
+    <Border Name="BorderFull"
+            BorderThickness="4,0,4,4"
+            Background="Transparent"
+            Margin="0">
         <Grid Background="Transparent">
-            <Border Name="HeaderBorder" Height="24" VerticalAlignment="Top">
+            <Border Name="HeaderBorder"
+                    Height="24"
+                    VerticalAlignment="Top">
                 <Grid>
-                    <Label HorizontalAlignment="Stretch" Name="HeaderLabel" Margin="0,0,0,0" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Padding="0">
+                    <Label HorizontalAlignment="Stretch"
+                           Name="HeaderLabel"
+                           Margin="0,0,0,0"
+                           HorizontalContentAlignment="Center"
+                           VerticalContentAlignment="Center"
+                           Padding="0">
                     </Label>
+                    <Button Height="18"
+                            Width="18"
+                            HorizontalAlignment="Right"
+                            Margin="0,0,5,0"
+                            Click="HandleChangeAppearanceClick"
+                            WindowChrome.IsHitTestVisibleInChrome="True"
+                            Content="&#xE115;"
+                            FontFamily="Segoe UI Symbol"
+                            FontSize="12"
+                            Padding="0"></Button>
                 </Grid>
             </Border>
-            <htmlLabelControl:HtmlLabel Name="HtmlLabel" Foreground="White" Margin="0,20,0,0" />
+            <htmlLabelControl:HtmlLabel Name="HtmlLabel"
+                                        Foreground="White"
+                                        Margin="0,20,0,0" />
         </Grid>
     </Border>
 </windows:SnappingWindow>
diff --git a/FloatingStatusWindowLibrary/MainWindow.xaml.cs b/FloatingStatusWindowLibrary/MainWindow.xaml.cs
index 53921ae..d30db50 100644
--- a/FloatingStatusWindowLibrary/MainWindow.xaml.cs
+++ b/FloatingStatusWindowLibrary/MainWindow.xaml.cs
@@ -122,5 +122,11 @@ namespace FloatingStatusWindowLibrary
                 return WindowManager.GetWindowList(windowHandle);
             }
         }
+
+        private void HandleChangeAppearanceClick(object sender, RoutedEventArgs e)
+        {
+            var appearanceWindow = new AppearanceWindow(WindowSettings);
+            appearanceWindow.ShowDialog();
+        }
     }
 }