<Style TargetType="ScrollViewer">
      <Setter Property="HorizontalContentAlignment" Value="Left" />
      <Setter Property="VerticalContentAlignment" Value="Top" />
      <Setter Property="VerticalScrollBarVisibility" Value="Visible" />
      <Setter Property="Padding" Value="4"/>
      <Setter Property="BorderThickness" Value="1"/>
      <Setter Property="BorderBrush">
          <Setter.Value>
              <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                  <GradientStop Color="#FFA3AEB9" Offset="0"/>
                  <GradientStop Color="#FF8399A9" Offset="0.375"/>
                  <GradientStop Color="#FF718597" Offset="0.375"/>
                  <GradientStop Color="#FF617584" Offset="1"/>
              </LinearGradientBrush>
          </Setter.Value>
      </Setter>
      <Setter Property="Template">
          <Setter.Value>
              <ControlTemplate TargetType="ScrollViewer">
                  <Border CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
                      <Grid Background="{TemplateBinding Background}">
                          <Grid.RowDefinitions>
                              <RowDefinition Height="*"/>
                              <RowDefinition Height="Auto"/>
                          </Grid.RowDefinitions>
                          <Grid.ColumnDefinitions>
                              <ColumnDefinition Width="*"/>
                              <ColumnDefinition Width="Auto"/>
                          </Grid.ColumnDefinitions>

                          <ScrollContentPresenter x:Name="ScrollContentPresenter"
                                                  Cursor="{TemplateBinding Cursor}"
                                                  Margin="{TemplateBinding Padding}"
                                                  ContentTemplate="{TemplateBinding ContentTemplate}"/>

                          <Rectangle Grid.Column="1" Grid.Row="1" Fill="#FFE9EEF4"/>

                          <ScrollBar x:Name="VerticalScrollBar" Width="18"
                                     IsTabStop="False"
                                     Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                                     Grid.Column="1" Grid.Row="0" Orientation="Vertical"
                                     ViewportSize="{TemplateBinding ViewportHeight}"
                                     Maximum="{TemplateBinding ScrollableHeight}"
                                     Minimum="0"
                                     Value="{TemplateBinding VerticalOffset}"
                                     Margin="0,-1,-1,-1"/>

                          <ScrollBar x:Name="HorizontalScrollBar" Height="18"
                                     IsTabStop="False"
                                     Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"
                                     Grid.Column="0" Grid.Row="1" Orientation="Horizontal"
                                     ViewportSize="{TemplateBinding ViewportWidth}"
                                     Maximum="{TemplateBinding ScrollableWidth}"
                                     Minimum="0"
                                     Value="{TemplateBinding HorizontalOffset}"
                                     Margin="-1,0,-1,-1"/>

                      </Grid>
                  </Border>
              </ControlTemplate>
          </Setter.Value>
      </Setter>
  </Style>