New Post: change DateTimeUpDown background OnMouseOver and IsPressed

<Style x:Key="{ComponentResourceKey TypeInTargetAssembly={x:Type themes:ResourceKeys}, ResourceId=SpinnerButtonStyleKey}" 
          TargetType="RepeatButton">
        <Setter Property="BorderThickness" Value="1" />
        <Setter Property="Padding" Value="2,2" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="RepeatButton">
                    <Grid
                        Name="Grid">
                        <chrome:ButtonChrome x:Name="Chrome"
                                       BorderBrush="{TemplateBinding BorderBrush}" 
                                       Background="{TemplateBinding Background}"                                                                  
                                       CornerRadius="{DynamicResource {x:Static themes:ResourceKeys.SpinButtonCornerRadiusKey}}"
                                       RenderEnabled="{TemplateBinding IsEnabled}"
                                       RenderMouseOver="{TemplateBinding IsMouseOver}"
                                       RenderNormal="True"
                                       RenderPressed="{TemplateBinding IsPressed}"
                                       SnapsToDevicePixels="true" >
                        </chrome:ButtonChrome>

                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                    VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                    Margin="{TemplateBinding Padding}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>