diff --git a/src/Avalonia.Themes.Fluent/NumericUpDown.xaml b/src/Avalonia.Themes.Fluent/NumericUpDown.xaml
index 24cbb62908..08de50c6e3 100644
--- a/src/Avalonia.Themes.Fluent/NumericUpDown.xaml
+++ b/src/Avalonia.Themes.Fluent/NumericUpDown.xaml
@@ -1,38 +1,60 @@
-<Styles xmlns="https://github.com/avaloniaui">
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+  <Design.PreviewWith>
+    <Border Padding="20"
+            Background="Black">
+      <StackPanel Spacing="20">
+        <NumericUpDown Minimum="0"
+                       Maximum="10"
+                       Increment="0.5"
+                       Width="150"
+                       Watermark="Enter text" />
+        <NumericUpDown Minimum="0"
+                       Maximum="10"
+                       Increment="0.5"
+                       Width="150"
+                       ButtonSpinnerLocation="Left"
+                       Watermark="Enter text" />
+      </StackPanel>
+    </Border>
+  </Design.PreviewWith>
+
   <Style Selector="NumericUpDown">
-    <Setter Property="Background" Value="{DynamicResource ThemeBackgroundBrush}" />
-    <Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderMidBrush}"/>
-    <Setter Property="BorderThickness" Value="{DynamicResource ThemeBorderThickness}"/>
-    <Setter Property="Padding" Value="4"/>
+    <Setter Property="Foreground" Value="{DynamicResource TextControlForeground}" />
+    <Setter Property="Background" Value="{DynamicResource TextControlBackground}" />
+    <Setter Property="BorderThickness" Value="{DynamicResource TextControlBorderThemeThickness}" />
+    <Setter Property="BorderBrush" Value="{DynamicResource TextControlBorderBrush}" />
+    <Setter Property="MinHeight" Value="{DynamicResource TextControlThemeMinHeight}" />
+    <Setter Property="MinWidth" Value="{DynamicResource TextControlThemeMinWidth}" />
+    <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
+    <Setter Property="FontSize" Value="{DynamicResource ControlContentThemeFontSize}" />
+    <Setter Property="Padding" Value="{DynamicResource TextControlThemePadding}" />
     <Setter Property="Template">
       <ControlTemplate>
         <ButtonSpinner Name="PART_Spinner"
                        Background="{TemplateBinding Background}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        BorderBrush="{TemplateBinding BorderBrush}"
+                       Padding="0"
                        HorizontalContentAlignment="Stretch"
                        VerticalContentAlignment="Stretch"
                        AllowSpin="{TemplateBinding AllowSpin}"
                        ShowButtonSpinner="{TemplateBinding ShowButtonSpinner}"
                        ButtonSpinnerLocation="{TemplateBinding ButtonSpinnerLocation}">
           <TextBox Name="PART_TextBox"
-                   BorderThickness="0"
-                   Background="{TemplateBinding Background}" 
-                   BorderBrush="{TemplateBinding BorderBrush}"
+                   Background="Transparent"
+                   BorderBrush="Transparent"
+                   Margin="-2"
                    Padding="{TemplateBinding Padding}"
                    Watermark="{TemplateBinding Watermark}"
                    DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
                    IsReadOnly="{TemplateBinding IsReadOnly}"
                    Text="{TemplateBinding Text}"
                    AcceptsReturn="False"
-                   TextWrapping="NoWrap">
-          </TextBox>
+                   TextWrapping="NoWrap" />
         </ButtonSpinner>
       </ControlTemplate>
     </Setter>
   </Style>
-  <Style Selector="NumericUpDown /template/ TextBox#PART_TextBox">
-    <Setter Property="Margin" Value="4"/>
-    <Setter Property="MinWidth" Value="20"/>
-  </Style>
-</Styles>
\ No newline at end of file
+
+</Styles>