Index: Core/Gui/src/Core.Gui/Forms/ViewHost/AvalonDockViewHost.xaml
===================================================================
diff -u -ra1a056d8234915f81a937ff98d64ab3f22ba08aa -rb0b7cbccc0c3e51a0a19697aa10f9e622e8fe400
--- Core/Gui/src/Core.Gui/Forms/ViewHost/AvalonDockViewHost.xaml	(.../AvalonDockViewHost.xaml)	(revision a1a056d8234915f81a937ff98d64ab3f22ba08aa)
+++ Core/Gui/src/Core.Gui/Forms/ViewHost/AvalonDockViewHost.xaml	(.../AvalonDockViewHost.xaml)	(revision b0b7cbccc0c3e51a0a19697aa10f9e622e8fe400)
@@ -44,25 +44,25 @@
             </xcad:DockingManager.Theme>
             <xcad:DockingManager.DocumentHeaderTemplate>
                 <DataTemplate>
-                    <StackPanel Orientation="Horizontal" d:DataContext="{d:DesignInstance viewHost:CustomLayoutDocument}">
+                    <DockPanel d:DataContext="{d:DesignInstance viewHost:CustomLayoutDocument}">
                         <TextBlock Style="{StaticResource ButtonIconStyle}"
                                    Text="{Binding Symbol}"
                                    FontFamily="{Binding FontFamily}"
                                    Margin="0,0,4,0"
-                                   FontSize="16"/>
-                        <TextBlock Text="{Binding Title}" TextTrimming="CharacterEllipsis"/>
-                    </StackPanel>
+                                   FontSize="24"/>
+                        <TextBlock Text="{Binding Title}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis"/>
+                    </DockPanel>
                 </DataTemplate>
             </xcad:DockingManager.DocumentHeaderTemplate>
             <xcad:DockingManager.AnchorableHeaderTemplate>
                 <DataTemplate>
-                    <StackPanel Orientation="Horizontal" d:DataContext="{d:DesignInstance viewHost:CustomLayoutAnchorable}">
+                    <DockPanel d:DataContext="{d:DesignInstance viewHost:CustomLayoutAnchorable}">
                         <TextBlock Style="{StaticResource ButtonIconStyle}"
                                    Text="{Binding Symbol}"
                                    Margin="0,0,4,0"
-                                   FontSize="16"/>
-                        <TextBlock Text="{Binding Title}" TextTrimming="CharacterEllipsis"/>
-                    </StackPanel>
+                                   FontSize="24"/>
+                        <TextBlock Text="{Binding Title}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis"/>
+                    </DockPanel>
                 </DataTemplate>
             </xcad:DockingManager.AnchorableHeaderTemplate>
             <xcad:LayoutRoot>