diff --git a/src/Ursa.Themes.Semi/Controls/Navigation.axaml b/src/Ursa.Themes.Semi/Controls/Navigation.axaml
index 421ad30..4d35613 100644
--- a/src/Ursa.Themes.Semi/Controls/Navigation.axaml
+++ b/src/Ursa.Themes.Semi/Controls/Navigation.axaml
@@ -123,6 +123,7 @@
                                 <ContentPresenter
                                     Name="PART_HeaderPresenter"
                                     Grid.Column="2"
+                                    Margin="12,0"
                                     VerticalAlignment="Center"
                                     Background="{TemplateBinding Background}"
                                     Content="{TemplateBinding Header}"
@@ -221,7 +222,6 @@
                                     Name="PART_IconPresenter"
                                     Grid.Column="0"
                                     MinWidth="24"
-                                    Margin="0"
                                     Content="{TemplateBinding Icon}"
                                     ContentTemplate="{TemplateBinding IconTemplate}" />
                                 <ContentPresenter
@@ -237,7 +237,7 @@
                                     Grid.Column="2"
                                     Width="8"
                                     Height="8"
-                                    Margin="8,0"
+                                    Margin="12,0"
                                     Data="M4.08045 7.59809C4.66624 7.01231 5.61599 7.01231 6.20177 7.59809L11.8586 13.2549L17.5155 7.59809C18.1013 7.01231 19.051 7.01231 19.6368 7.59809C20.2226 8.18388 20.2226 9.13363 19.6368 9.71941L12.9193 16.4369C12.3335 17.0227 11.3838 17.0227 10.798 16.4369L4.08045 9.71941C3.49467 9.13363 3.49467 8.18388 4.08045 7.59809Z"
                                     Foreground="{DynamicResource NavigationMenuItemExpandIconForeground}"
                                     IsVisible="{TemplateBinding IsTopLevelMenuItem,