How to customize the value cells of PivotGrid Control

<Style x:Key="valStyle" TargetType="{x:Type syncfusion:PivotGridTemplateCell}">
                <Setter Property="MinHeight" Value="25"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type syncfusion:PivotGridTemplateCell}">
                            <StackPanel  Grid.Column="1" Orientation="Horizontal" Background="Pink">
                                 <!--Image block-->
                                <Image Margin="2,4,1,0" Grid.Column="1" Source="{Binding ElementName=pivotGrid1, Converter={StaticResource imgConverter}}" VerticalAlignment="Top" HorizontalAlignment="Center">
                                    <Image.Style>
                                        <Style TargetType="{x:Type Image}">
                                        </Style>
                                    </Image.Style>
                                </Image>
 
                                <TextBlock Grid.Column="1" Margin="3,4,2,0"
                                           Text="{Binding Path=Text, RelativeSource={RelativeSource TemplatedParent}}" 
                                           TextWrapping="Wrap"
                                           VerticalAlignment="Top" FontFamily="Segoe UI" FontSize="12"
                                           />
                            </StackPanel>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>