<Style x:Key="romb" BasedOn="{StaticResource help_element}"   TargetType="{x:Type s:element}" >
        <Setter Property="Tag" Value="yslovie"/>
            <Setter Property="Content">
                <Setter.Value>

                <Path Style="{StaticResource FlowChartItemStyle}" Data="M 0,20 L 30 0 L 60,20 L 30,40 Z"></Path>
           
           
            </Setter.Value>
            </Setter>

        </Style>

<s:element  Background="Transparent" Style="{StaticResource romb}" HorizontalAlignment="Left" Height="32" VerticalAlignment="Top" Width="53" Grid.Row="1" Grid.Column="1" >
</s:element>

<s:element Background="Transparent" Style="{StaticResource romb}" Height="38" VerticalAlignment="Top" Grid.Column="1" />