diff --git a/src/Ursa.Themes.Semi/Controls/Navigation.axaml b/src/Ursa.Themes.Semi/Controls/Navigation.axaml
index 5c8e1aa..cb5e55c 100644
--- a/src/Ursa.Themes.Semi/Controls/Navigation.axaml
+++ b/src/Ursa.Themes.Semi/Controls/Navigation.axaml
@@ -13,7 +13,7 @@
             <ControlTemplate TargetType="u:NavigationMenu">
                 <Border
                     Name="PART_RootBorder"
-                    Width="260"
+                    Width="{DynamicResource NavigationMenuExpandWidth}"
                     HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
                     Background="{TemplateBinding Background}"
                     BorderBrush="{TemplateBinding BorderBrush}"
@@ -30,12 +30,12 @@
                         Background="{TemplateBinding Background}"
                         RowDefinitions="Auto, *, Auto, Auto">
                         <StackPanel
-                            Margin="12"
+                            Margin="{DynamicResource NavigationMenuHeaderMargin}"
                             HorizontalAlignment="Center"
                             Orientation="Horizontal">
                             <ContentPresenter
                                 Name="PART_IconPresenter"
-                                Margin="0,0,8,0"
+                                Margin="{DynamicResource NavigationMenuIconMargin}"
                                 VerticalAlignment="Center"
                                 Content="{TemplateBinding Icon}" />
                             <ContentPresenter
@@ -61,15 +61,15 @@
                             Theme="{DynamicResource ButtonToggleSwitch}">
                             <ToggleSwitch.OnContent>
                                 <PathIcon
-                                    Width="16"
-                                    Height="16"
+                                    Width="{DynamicResource NavigationMenuExpandIconWidth}"
+                                    Height="{DynamicResource NavigationMenuExpandIconHeight}"
                                     Data="{DynamicResource NavigationMenuExpandIconGlyph}"
                                     Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
                             </ToggleSwitch.OnContent>
                             <ToggleSwitch.OffContent>
                                 <PathIcon
-                                    Width="16"
-                                    Height="16"
+                                    Width="{DynamicResource NavigationMenuExpandIconWidth}"
+                                    Height="{DynamicResource NavigationMenuExpandIconHeight}"
                                     Data="{DynamicResource NavigationMenuExpandIconGlyph}"
                                     Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
                             </ToggleSwitch.OffContent>
@@ -83,7 +83,7 @@
                 <Setter Property="ContentPresenter.IsVisible" Value="False" />
             </Style>
             <Style Selector="^ /template/ Border#PART_RootBorder">
-                <Setter Property="Border.Width" Value="80" />
+                <Setter Property="Border.Width" Value="{DynamicResource NavigationMenuClosedWidth}" />
             </Style>
             <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
                 <Setter Property="Grid.HorizontalAlignment" Value="Center" />
@@ -99,10 +99,10 @@
                     <StackPanel>
                         <Border
                             Name="PART_HeaderBorder"
-                            Margin="0,2"
-                            Padding="8"
+                            Margin="{DynamicResource NavigationMenuItemDefaultMargin}"
+                            Padding="{DynamicResource NavigationMenuItemDefaultPadding}"
                             Background="{DynamicResource NavigationMenuItemDefaultBackground}"
-                            CornerRadius="6">
+                            CornerRadius="{DynamicResource NavigationMenuItemDefaultCornerRadius}">
                             <Grid
                                 Name="PART_RootStackPanel"
                                 HorizontalAlignment="Stretch"
@@ -110,7 +110,7 @@
                                 <ContentPresenter
                                     Name="PART_IconPresenter"
                                     Grid.Column="1"
-                                    MinWidth="24"
+                                    MinWidth="{DynamicResource NavigationMenuItemIconMinWidth}"
                                     Content="{TemplateBinding Icon}"
                                     ContentTemplate="{TemplateBinding IconTemplate}">
                                     <ContentPresenter.Margin>
@@ -123,7 +123,7 @@
                                 <ContentPresenter
                                     Name="PART_HeaderPresenter"
                                     Grid.Column="2"
-                                    Margin="12,0"
+                                    Margin="{DynamicResource NavigationMenuItemHeaderMargin}"
                                     VerticalAlignment="Center"
                                     Background="{TemplateBinding Background}"
                                     Content="{TemplateBinding Header}"
@@ -137,8 +137,8 @@
                                 <PathIcon
                                     Name="PART_ExpandIcon"
                                     Grid.Column="3"
-                                    Width="8"
-                                    Height="8"
+                                    Width="{DynamicResource NavigationMenuItemExpandIconWidth}"
+                                    Height="{DynamicResource NavigationMenuItemExpandIconHeight}"
                                     Data="{DynamicResource NavigationMenuItemExpandIconGlyph}"
                                     Foreground="{DynamicResource NavigationMenuItemExpandIconForeground}">
                                     <PathIcon.Transitions>
@@ -181,18 +181,18 @@
                 <ControlTemplate TargetType="u:NavigationMenuItem">
                     <Border
                         Name="PART_HeaderBorder"
-                        Margin="0,2"
-                        Padding="8"
+                        Margin="{DynamicResource NavigationMenuItemDefaultMargin}"
+                        Padding="{DynamicResource NavigationMenuItemDefaultPadding}"
                         HorizontalAlignment="Center"
                         Background="{DynamicResource NavigationMenuItemDefaultBackground}"
-                        CornerRadius="6"
+                        CornerRadius="{DynamicResource NavigationMenuItemDefaultCornerRadius}"
                         ToolTip.ShowDelay="0"
                         ToolTip.Tip="{TemplateBinding Header}">
                         <ContentPresenter
                             Name="PART_IconPresenter"
                             Grid.Column="1"
-                            MinWidth="24"
-                            Margin="0"
+                            MinWidth="{DynamicResource NavigationMenuItemIconMinWidth}"
+                            Margin="{DynamicResource NavigationMenuItemIconMargin}"
                             Content="{TemplateBinding Icon}"
                             ContentTemplate="{TemplateBinding IconTemplate}" />
                     </Border>
@@ -212,22 +212,22 @@
                     <Panel>
                         <Border
                             Name="PART_HeaderBorder"
-                            Margin="0,2"
-                            Padding="8"
+                            Margin="{DynamicResource NavigationMenuItemDefaultMargin}"
+                            Padding="{DynamicResource NavigationMenuItemDefaultPadding}"
                             HorizontalAlignment="Center"
                             Background="{DynamicResource NavigationMenuItemDefaultBackground}"
-                            CornerRadius="6">
+                            CornerRadius="{DynamicResource NavigationMenuItemDefaultCornerRadius}">
                             <Grid HorizontalAlignment="Stretch" ColumnDefinitions="Auto, *, Auto">
                                 <ContentPresenter
                                     Name="PART_IconPresenter"
                                     Grid.Column="0"
-                                    MinWidth="24"
+                                    MinWidth="{DynamicResource NavigationMenuItemIconMinWidth}"
                                     Content="{TemplateBinding Icon}"
                                     ContentTemplate="{TemplateBinding IconTemplate}" />
                                 <ContentPresenter
                                     Name="PART_HeaderPresenter"
                                     Grid.Column="1"
-                                    Margin="12,0"
+                                    Margin="{DynamicResource NavigationMenuItemHeaderMargin}"
                                     VerticalAlignment="Center"
                                     Background="{TemplateBinding Background}"
                                     Content="{TemplateBinding Header}"
@@ -236,9 +236,9 @@
                                                                 Converter={x:Static BoolConverters.Not}}" />
                                 <PathIcon
                                     Grid.Column="2"
-                                    Width="8"
-                                    Height="8"
-                                    Margin="12,0"
+                                    Width="{DynamicResource NavigationMenuItemExpandIconWidth}"
+                                    Height="{DynamicResource NavigationMenuItemExpandIconHeight}"
+                                    Margin="{DynamicResource NavigationMenuItemExpandIconMargin}"
                                     Data="{DynamicResource NavigationMenuItemExpandIconGlyph}"
                                     Foreground="{DynamicResource NavigationMenuItemExpandIconForeground}"
                                     IsVisible="{TemplateBinding IsTopLevelMenuItem,
@@ -259,7 +259,7 @@
                                 MinHeight="{DynamicResource MenuFlyoutMinHeight}"
                                 MaxWidth="{DynamicResource MenuFlyoutMaxWidth}"
                                 MaxHeight="{DynamicResource MenuFlyoutMaxHeight}"
-                                Margin="8"
+                                Margin="{DynamicResource NavigationMenuItemFlyoutMargin}"
                                 Padding="{DynamicResource MenuFlyoutPadding}"
                                 HorizontalAlignment="Stretch"
                                 Background="{DynamicResource MenuFlyoutBackground}"
@@ -287,8 +287,8 @@
         </Style>
 
         <Style Selector="^:not(:closed):collapsed /template/ ItemsPresenter#PART_ItemsPresenter">
-            <Setter Property="ItemsPresenter.Height" Value="0" />
-            <Setter Property="ItemsPresenter.Opacity" Value="0" />
+            <Setter Property="ItemsPresenter.Height" Value="{DynamicResource NavigationMenuItemCollapsedHeight}" />
+            <Setter Property="ItemsPresenter.Opacity" Value="{DynamicResource NavigationMenuItemCollapsedOpacity}" />
         </Style>
         <Style Selector="^:not(:empty):not(:collapsed) /template/ PathIcon#PART_ExpandIcon">
             <Setter Property="PathIcon.RenderTransform" Value="rotate(-180deg)" />
@@ -301,10 +301,10 @@
     <ControlTheme x:Key="{x:Type u:NavigationMenuSeparator}" TargetType="u:NavigationMenuSeparator">
         <Setter Property="Template">
             <ControlTemplate TargetType="u:NavigationMenuSeparator">
-                <StackPanel Name="PART_RootPanel" Margin="4,0">
+                <StackPanel Name="PART_RootPanel" Margin="{DynamicResource NavigationMenuSeparatorMargin}">
                     <ContentPresenter
                         Name="PART_HeaderPresenter"
-                        Margin="4,0"
+                        Margin="{DynamicResource NavigationMenuSeparatorHeaderMargin}"
                         HorizontalAlignment="Left"
                         Content="{TemplateBinding Header}"
                         ContentTemplate="{TemplateBinding HeaderTemplate}"
@@ -313,13 +313,13 @@
                                                     Converter={x:Static ObjectConverters.IsNotNull}}">
                         <ContentPresenter.Styles>
                             <Style Selector="TextBlock">
-                                <Setter Property="FontSize" Value="12" />
+                                <Setter Property="FontSize" Value="{DynamicResource NavigationMenuSeparatorHeaderFontSize}" />
                             </Style>
                         </ContentPresenter.Styles>
                     </ContentPresenter>
                     <Rectangle
-                        Height="1"
-                        Margin="0,2"
+                        Height="{DynamicResource NavigationMenuSeparatorBorderHeight}"
+                        Margin="{DynamicResource NavigationMenuSeparatorBorderMargin}"
                         HorizontalAlignment="Stretch"
                         Fill="{DynamicResource SemiColorBorder}" />
                 </StackPanel>
@@ -327,7 +327,7 @@
         </Setter>
         <Style Selector="^:closed /template/ StackPanel#PART_RootPanel">
             <Setter Property="StackPanel.HorizontalAlignment" Value="Center" />
-            <Setter Property="StackPanel.Width" Value="32" />
+            <Setter Property="StackPanel.Width" Value="{DynamicResource NavigationMenuSeparatorClosedWidth}" />
         </Style>
         <Style Selector="^:closed /template/ ContentPresenter#PART_HeaderPresenter">
             <Setter Property="ContentPresenter.IsVisible" Value="False" />
diff --git a/src/Ursa.Themes.Semi/Themes/Shared/NavigationMenu.axaml b/src/Ursa.Themes.Semi/Themes/Shared/NavigationMenu.axaml
index 3b3f87f..4ba4cf4 100644
--- a/src/Ursa.Themes.Semi/Themes/Shared/NavigationMenu.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Shared/NavigationMenu.axaml
@@ -1,4 +1,36 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:sys="clr-namespace:System;assembly=netstandard">
     <Geometry x:Key="NavigationMenuExpandIconGlyph">M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z</Geometry>
     <Geometry x:Key="NavigationMenuItemExpandIconGlyph">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</Geometry>
+
+    <sys:Double x:Key="NavigationMenuExpandWidth">260</sys:Double>
+    <sys:Double x:Key="NavigationMenuClosedWidth">80</sys:Double>
+    <sys:Double x:Key="NavigationMenuExpandIconWidth">16</sys:Double>
+    <sys:Double x:Key="NavigationMenuExpandIconHeight">16</sys:Double>
+
+    <sys:Double x:Key="NavigationMenuItemIconMinWidth">24</sys:Double>
+    <sys:Double x:Key="NavigationMenuItemExpandIconWidth">8</sys:Double>
+    <sys:Double x:Key="NavigationMenuItemExpandIconHeight">8</sys:Double>
+    <sys:Double x:Key="NavigationMenuItemIconMargin">0</sys:Double>
+    <sys:Double x:Key="NavigationMenuItemCollapsedHeight">0</sys:Double>
+    <sys:Double x:Key="NavigationMenuItemCollapsedOpacity">0</sys:Double>
+
+    <sys:Double x:Key="NavigationMenuSeparatorHeaderFontSize">12</sys:Double>
+    <sys:Double x:Key="NavigationMenuSeparatorBorderHeight">1</sys:Double>
+    <sys:Double x:Key="NavigationMenuSeparatorClosedWidth">32</sys:Double>
+
+
+    <Thickness x:Key="NavigationMenuHeaderMargin">12</Thickness>
+    <Thickness x:Key="NavigationMenuIconMargin">0,0,8,0</Thickness>
+
+    <Thickness x:Key="NavigationMenuItemDefaultMargin">0,2</Thickness>
+    <Thickness x:Key="NavigationMenuItemDefaultPadding">8</Thickness>
+    <Thickness x:Key="NavigationMenuItemDefaultCornerRadius">6</Thickness>
+    <Thickness x:Key="NavigationMenuItemHeaderMargin">12,0</Thickness>
+    <Thickness x:Key="NavigationMenuItemExpandIconMargin">12,0</Thickness>
+    <Thickness x:Key="NavigationMenuItemFlyoutMargin">8</Thickness>
+
+    <Thickness x:Key="NavigationMenuSeparatorMargin">4,0</Thickness>
+    <Thickness x:Key="NavigationMenuSeparatorHeaderMargin">4,0</Thickness>
+    <Thickness x:Key="NavigationMenuSeparatorBorderMargin">0,2</Thickness>
 </ResourceDictionary>
\ No newline at end of file