diff --git a/demo/Semi.Avalonia.Demo/Views/MainView.axaml b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
index 9979101..4a5bbbc 100644
--- a/demo/Semi.Avalonia.Demo/Views/MainView.axaml
+++ b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
@@ -1,13 +1,13 @@
 <UserControl
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    mc:Ignorable="d"
     x:Class="Semi.Avalonia.Demo.Views.MainView"
     xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:pages="using:Semi.Avalonia.Demo.Pages"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    d:DesignHeight="450"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
     <UserControl.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
@@ -21,52 +21,68 @@
             Margin="8"
             Padding="12,4"
             Theme="{DynamicResource CardBorder}">
-            <Grid ColumnDefinitions="*, Auto" VerticalAlignment="Center">
+            <Grid VerticalAlignment="Center" ColumnDefinitions="*, Auto">
                 <StackPanel Grid.Column="0" Orientation="Horizontal">
                     <TextBlock
+                        VerticalAlignment="Center"
                         Classes="H6"
                         Text="Semi Avalonia"
-                        Theme="{DynamicResource TitleTextBlock}"
-                        VerticalAlignment="Center" />
+                        Theme="{DynamicResource TitleTextBlock}" />
                     <TextBlock
                         Margin="8,0"
-                        Text="/"
-                        VerticalAlignment="Center" />
+                        VerticalAlignment="Center"
+                        Text="/" />
                     <TextBlock
+                        Margin="8,0"
+                        VerticalAlignment="Center"
                         Classes="Secondary"
-                        Margin="8,0"
-                        Text="{Binding #tab.SelectedItem.Header}"
-                        VerticalAlignment="Center" />
+                        Text="{Binding #tab.SelectedItem.Header}" />
                 </StackPanel>
-                <ToggleSwitch
-                    Grid.Column="1"
-                    IsCheckedChanged="ToggleButton_OnIsCheckedChanged"
-                    Padding="4"
-                    Theme="{DynamicResource ButtonToggleSwitch}">
-                    <ToggleSwitch.OnContent>
+                <StackPanel Grid.Column="1" Orientation="Horizontal">
+                    <Button Theme="{DynamicResource BorderlessButton}" Click="OpenDocumentation">
                         <PathIcon
-                            Data="M12 23C18.0751 23 23 18.0751 23 12C23 5.92487 18.0751 1 12 1C5.92487 1 1 5.92487 1 12C1 18.0751 5.92487 23 12 23ZM17 15C17.476 15 17.9408 14.9525 18.3901 14.862C17.296 17.3011 14.8464 19 12 19C8.13401 19 5 15.866 5 12C5 8.60996 7.40983 5.78277 10.6099 5.13803C10.218 6.01173 10 6.98041 10 8C10 11.866 13.134 15 17 15Z"
-                            Foreground="{DynamicResource ButtonDefaultTertiaryForeground}"
+                            Width="16"
                             Height="16"
-                            Width="16" />
-                    </ToggleSwitch.OnContent>
-                    <ToggleSwitch.OffContent>
+                            Data="M12 21.5C10.65 20.65 8.2 20 6.5 20C4.85 20 3.15 20.3 1.75 21.05C1.65 21.1 1.6 21.1 1.5 21.1C1.25 21.1 1 20.85 1 20.6V6C1.6 5.55 2.25 5.25 3 5C4.11 4.65 5.33 4.5 6.5 4.5C8.45 4.5 10.55 4.9 12 6C13.45 4.9 15.55 4.5 17.5 4.5C18.67 4.5 19.89 4.65 21 5C21.75 5.25 22.4 5.55 23 6V20.6C23 20.85 22.75 21.1 22.5 21.1C22.4 21.1 22.35 21.1 22.25 21.05C20.85 20.3 19.15 20 17.5 20C15.8 20 13.35 20.65 12 21.5M12 8V19.5C13.35 18.65 15.8 18 17.5 18C18.7 18 19.9 18.15 21 18.5V7C19.9 6.65 18.7 6.5 17.5 6.5C15.8 6.5 13.35 7.15 12 8M13 11.5C14.11 10.82 15.6 10.5 17.5 10.5C18.41 10.5 19.26 10.59 20 10.78V9.23C19.13 9.08 18.29 9 17.5 9C15.73 9 14.23 9.28 13 9.84V11.5M17.5 11.67C15.79 11.67 14.29 11.93 13 12.46V14.15C14.11 13.5 15.6 13.16 17.5 13.16C18.54 13.16 19.38 13.24 20 13.4V11.9C19.13 11.74 18.29 11.67 17.5 11.67M20 14.57C19.13 14.41 18.29 14.33 17.5 14.33C15.67 14.33 14.17 14.6 13 15.13V16.82C14.11 16.16 15.6 15.83 17.5 15.83C18.54 15.83 19.38 15.91 20 16.07V14.57Z"
+                            Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                    </Button>
+                    <Button Theme="{DynamicResource BorderlessButton}" Click="OpenRepository">
                         <PathIcon
-                            Data="M3.55 19.09L4.96 20.5L6.76 18.71L5.34 17.29M12 6C8.69 6 6 8.69 6 12S8.69 18 12 18 18 15.31 18 12C18 8.68 15.31 6 12 6M20 13H23V11H20M17.24 18.71L19.04 20.5L20.45 19.09L18.66 17.29M20.45 5L19.04 3.6L17.24 5.39L18.66 6.81M13 1H11V4H13M6.76 5.39L4.96 3.6L3.55 5L5.34 6.81L6.76 5.39M1 13H4V11H1M13 20H11V23H13"
-                            Foreground="{DynamicResource ButtonDefaultTertiaryForeground}"
+                            Width="16"
                             Height="16"
-                            Width="16" />
-                    </ToggleSwitch.OffContent>
-                </ToggleSwitch>
+                            Data="M12,2A10,10 0 0,0 2,12C2,16.42 4.87,20.17 8.84,21.5C9.34,21.58 9.5,21.27 9.5,21C9.5,20.77 9.5,20.14 9.5,19.31C6.73,19.91 6.14,17.97 6.14,17.97C5.68,16.81 5.03,16.5 5.03,16.5C4.12,15.88 5.1,15.9 5.1,15.9C6.1,15.97 6.63,16.93 6.63,16.93C7.5,18.45 8.97,18 9.54,17.76C9.63,17.11 9.89,16.67 10.17,16.42C7.95,16.17 5.62,15.31 5.62,11.5C5.62,10.39 6,9.5 6.65,8.79C6.55,8.54 6.2,7.5 6.75,6.15C6.75,6.15 7.59,5.88 9.5,7.17C10.29,6.95 11.15,6.84 12,6.84C12.85,6.84 13.71,6.95 14.5,7.17C16.41,5.88 17.25,6.15 17.25,6.15C17.8,7.5 17.45,8.54 17.35,8.79C18,9.5 18.38,10.39 18.38,11.5C18.38,15.32 16.04,16.16 13.81,16.41C14.17,16.72 14.5,17.33 14.5,18.26C14.5,19.6 14.5,20.68 14.5,21C14.5,21.27 14.66,21.59 15.17,21.5C19.14,20.16 22,16.42 22,12A10,10 0 0,0 12,2Z"
+                            Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                    </Button>
+                    <ToggleSwitch
+                        Grid.Column="1"
+                        Padding="4"
+                        IsCheckedChanged="ToggleButton_OnIsCheckedChanged"
+                        Theme="{DynamicResource ButtonToggleSwitch}">
+                        <ToggleSwitch.OnContent>
+                            <PathIcon
+                                Width="16"
+                                Height="16"
+                                Data="M12 23C18.0751 23 23 18.0751 23 12C23 5.92487 18.0751 1 12 1C5.92487 1 1 5.92487 1 12C1 18.0751 5.92487 23 12 23ZM17 15C17.476 15 17.9408 14.9525 18.3901 14.862C17.296 17.3011 14.8464 19 12 19C8.13401 19 5 15.866 5 12C5 8.60996 7.40983 5.78277 10.6099 5.13803C10.218 6.01173 10 6.98041 10 8C10 11.866 13.134 15 17 15Z"
+                                Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                        </ToggleSwitch.OnContent>
+                        <ToggleSwitch.OffContent>
+                            <PathIcon
+                                Width="16"
+                                Height="16"
+                                Data="M3.55 19.09L4.96 20.5L6.76 18.71L5.34 17.29M12 6C8.69 6 6 8.69 6 12S8.69 18 12 18 18 15.31 18 12C18 8.68 15.31 6 12 6M20 13H23V11H20M17.24 18.71L19.04 20.5L20.45 19.09L18.66 17.29M20.45 5L19.04 3.6L17.24 5.39L18.66 6.81M13 1H11V4H13M6.76 5.39L4.96 3.6L3.55 5L5.34 6.81L6.76 5.39M1 13H4V11H1M13 20H11V23H13"
+                                Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                        </ToggleSwitch.OffContent>
+                    </ToggleSwitch>
+                </StackPanel>
             </Grid>
 
         </Border>
         <TabControl
-            Grid.Row="1"
-            HorizontalAlignment="Stretch"
-            Margin="8"
             Name="tab"
+            Grid.Row="1"
+            Margin="8"
             Padding="20,0,0,0"
+            HorizontalAlignment="Stretch"
             TabStripPlacement="Left"
             Theme="{DynamicResource NavigationTab}">
             <TabItem Header="Overview">
diff --git a/demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs b/demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs
index 3a69c9c..a6aec59 100644
--- a/demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs
+++ b/demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs
@@ -1,3 +1,4 @@
+using System;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
@@ -21,4 +22,20 @@ public partial class MainView : UserControl
             app.RequestedThemeVariant = theme == ThemeVariant.Dark ? ThemeVariant.Light : ThemeVariant.Dark;
         }
     }
+
+    private async void OpenRepository(object sender, RoutedEventArgs e)
+    {
+        var top = TopLevel.GetTopLevel(this);
+        if (top is null) return;
+        var launcher = top.Launcher;
+        await launcher.LaunchUriAsync(new Uri("https://github.com/irihitech/Semi.Avalonia"));
+    }
+
+    private async void OpenDocumentation(object sender, RoutedEventArgs e)
+    {
+        var top = TopLevel.GetTopLevel(this);
+        if (top is null) return;
+        var launcher = top.Launcher;
+        await launcher.LaunchUriAsync(new Uri("https://docs.irihi.tech/semi"));
+    }
 }
\ No newline at end of file