Skins.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

  <!--## Button ##-->

  <LinearGradientBrush x:Key="ButtonBackground" StartPoint="0,0" EndPoint="1,0">
    <GradientStop Color="Silver" Offset="0" />
    <GradientStop Color="#eeeeee" Offset="1" />
  </LinearGradientBrush>

  <Style TargetType="Button">
    <Setter Property="Background" Value="{StaticResource ButtonBackground}" />
    <Setter Property="BorderBrush" Value="Gray" />
    <Setter Property="ClipToBounds" Value="true" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="Button">
          <Grid Name="MainGrid" RenderTransformOrigin="0.5,0.5">
            <Grid.RenderTransform>
              <ScaleTransform />
            </Grid.RenderTransform>
            <Rectangle Name="MainRectangle"
                          Grid.ColumnSpan="3" Grid.RowSpan="3"
                          Fill="{TemplateBinding Background}"
                          RadiusX="3" RadiusY="3" />
            <Rectangle Name="rectangleWhiteBackground"
                          Grid.ColumnSpan="3" Grid.RowSpan="3"
                          Fill="#60ffffff"
                          RadiusX="3" RadiusY="3" />

            <Rectangle Name="rectangleLeft" Width="20" HorizontalAlignment="Left"
                          RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush GradientOrigin="0,0.2" Center="0,0.2" RadiusX="0.3" RadiusY="1" Opacity="1">
                  <GradientStop Color="White" Offset="0" />
                  <GradientStop Color="Transparent" Offset="1" />
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>

            <Rectangle Name="rectangleTop" Height="20" VerticalAlignment="Top"
                          RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush GradientOrigin="0.4,0" Center="0.4,0" RadiusX="1.2" RadiusY="0.3" Opacity="0.9">
                  <GradientStop Color="White" Offset="0" />
                  <GradientStop Color="Transparent" Offset="1" />
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>

            <Rectangle Name="rectangleRight" Width="20" HorizontalAlignment="Right"
                          RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush GradientOrigin="1,0.65" Center="1,0.65" RadiusX="0.3" RadiusY="0.7" Opacity="0.8">
                  <GradientStop Color="#44222222" Offset="0" />
                  <GradientStop Color="Transparent" Offset="1" />
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>

            <Rectangle Name="rectangleBottom" Height="20" VerticalAlignment="Bottom"
                          RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush GradientOrigin="0.5,1" Center="0.5,1" RadiusX="1.2" RadiusY="0.3" Opacity="0.8">
                  <GradientStop Color="#44222222" Offset="0" />
                  <GradientStop Color="Transparent" Offset="1" />
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>

            <Rectangle Grid.ColumnSpan="3" Grid.RowSpan="3"
                          Stroke="{TemplateBinding BorderBrush}"
                          RadiusX="3" RadiusY="3"  />

            <ContentPresenter Margin="12,6,12,6" />
          </Grid>
          <ControlTemplate.Triggers>
            <Trigger Property="IsFocused" Value="True">
              <Setter TargetName="rectangleWhiteBackground" Property="Fill" Value="Transparent" />
            </Trigger>
            <Trigger Property="IsMouseOver" Value="True">
              <Setter TargetName="rectangleWhiteBackground" Property="Fill" Value="Transparent" />
            </Trigger>
            <Trigger Property="IsPressed" Value="True">
              <Setter TargetName="rectangleTop" Property="Fill">
                <Setter.Value>
                  <RadialGradientBrush GradientOrigin="0.4,0" Center="0.4,0" RadiusX="1.2" RadiusY="0.3" Opacity="0.9">
                    <GradientStop Color="#44222222" Offset="0" />
                    <GradientStop Color="Transparent" Offset="1" />
                  </RadialGradientBrush>
                </Setter.Value>
              </Setter>
              <Setter TargetName="rectangleRight" Property="Fill" Value="Transparent" />
              <Setter TargetName="rectangleBottom" Property="Fill" Value="Transparent" />
              <Setter TargetName="rectangleLeft" Property="Fill">
                <Setter.Value>
                  <RadialGradientBrush GradientOrigin="0,0.2" Center="0,0.2" RadiusX="0.3" RadiusY="1" Opacity="1">
                    <GradientStop Color="#44222222" Offset="0" />
                    <GradientStop Color="Transparent" Offset="1" />
                  </RadialGradientBrush>
                </Setter.Value>
              </Setter>
              <Trigger.EnterActions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation Storyboard.TargetName="MainGrid" Storyboard.TargetProperty="RenderTransform.ScaleX"
                                           From="1" To="0.95" Duration="0:0:0.15" />
                    <DoubleAnimation Storyboard.TargetName="MainGrid" Storyboard.TargetProperty="RenderTransform.ScaleY"
                                           From="1" To="0.95" Duration="0:0:0.15" />
                  </Storyboard>
                </BeginStoryboard>
              </Trigger.EnterActions>
              <Trigger.ExitActions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation Storyboard.TargetName="MainGrid" Storyboard.TargetProperty="RenderTransform.ScaleX"
                                           From="0.95" To="1" Duration="0:0:0.15" />
                    <DoubleAnimation Storyboard.TargetName="MainGrid" Storyboard.TargetProperty="RenderTransform.ScaleY"
                                           From="0.95" To="1" Duration="0:0:0.15" />
                  </Storyboard>
                </BeginStoryboard>
              </Trigger.ExitActions>
            </Trigger>
          </ControlTemplate.Triggers>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--## Item (base style for any ItemsControl item) ##-->

  <Style x:Key="ItemStyle" TargetType="ContentControl">
    <Setter Property="Background" >
      <Setter.Value>
        <LinearGradientBrush EndPoint="0,1">
          <GradientStop Color="#FFFFFFFF" Offset="0" />
          <GradientStop Color="{DynamicResource {x:Static SystemColors.HighlightColorKey}}" Offset="1" />
        </LinearGradientBrush>
      </Setter.Value>
    </Setter>
    <Setter Property="BorderBrush" Value="#FF808080" />
    <Setter Property="BorderThickness" Value="1" />
    <Setter Property="DockPanel.Dock" Value="Top" />
    <Setter Property="Margin" Value="0,1,0,1" />
    <!--Setter Property="TextBox.TextAlignment" Value="Center" /-->
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="ContentControl">
          <Grid>
            <Rectangle Name="SelectedHighlight"
         Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}"
         RadiusX="2" RadiusY="2" Opacity="0" />
            <Rectangle Name="HighlightCanvas"
         Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}"
         RadiusX="2" RadiusY="2" Opacity="0" />
            <ContentPresenter Margin="4,3,4,3" />
          </Grid>
          <ControlTemplate.Triggers>
            <Trigger Property="Selector.IsSelected" Value="True">
              <Setter Property="Opacity" TargetName="SelectedHighlight" Value="1" />
            </Trigger>
            <Trigger Property="IsMouseOver" Value="True">
              <Trigger.EnterActions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation From="0" To="1" Duration="0:0:0.15" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HighlightCanvas" />
                  </Storyboard>
                </BeginStoryboard>
              </Trigger.EnterActions>
              <Trigger.ExitActions>
                <BeginStoryboard>
                  <Storyboard>
                    <DoubleAnimation From="1" To="0" Duration="0:0:0.15" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="HighlightCanvas" />
                  </Storyboard>
                </BeginStoryboard>
              </Trigger.ExitActions>
            </Trigger>
          </ControlTemplate.Triggers>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--## ComboBox ##-->

  <Style TargetType="ComboBox">
    <Setter Property="Background" Value="#FFFFFFFF" />
    <Setter Property="BorderBrush" Value="#FF808080" />
    <Setter Property="Padding" Value="10,0,0,0" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="ComboBox">
          <Grid Name="MainGrid">
            <Popup Name="PART_Popup" AllowsTransparency="true" Placement="Bottom"
  IsOpen="{Binding Path=IsDropDownOpen, RelativeSource={RelativeSource TemplatedParent}}"
  PopupAnimation="{DynamicResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}">
              <Grid Name="PopupCanvas" ClipToBounds="True" MaxHeight="{TemplateBinding MaxDropDownHeight}"
        MinWidth="{Binding ElementName=MainGrid, Path=ActualWidth}">
                <Rectangle Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" Margin="0,-1,0,0" />
                <ScrollViewer CanContentScroll="true">
                  <ItemsPresenter Margin="5" KeyboardNavigation.TabNavigation="Cycle" KeyboardNavigation.DirectionalNavigation="Cycle" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" Grid.IsSharedSizeScope="true" />
                </ScrollViewer>
              </Grid>
            </Popup>
            <Rectangle Name="Background"
         Stroke="Transparent" Fill="{TemplateBinding Background}"
         RadiusX="3" RadiusY="3" />
            <ContentPresenter IsHitTestVisible="false" Margin="{TemplateBinding Padding}" Content="{TemplateBinding SelectionBoxItem}" ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}" ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
            <Grid HorizontalAlignment="Right" Width="20">
              <Rectangle Name="rectangleArrow" RadiusX="3" RadiusY="3" Fill="{TemplateBinding BorderBrush}" />
              <Path Data="M0,0L3.5,4 7,0z" Fill="White" HorizontalAlignment="Center" VerticalAlignment="Center" />
              <Border Width="5" VerticalAlignment="Top"
      BorderThickness="1,0,0,0" BorderBrush="{TemplateBinding BorderBrush}" />
            </Grid>
            <Rectangle Width="20" HorizontalAlignment="Left" RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush Center="0,0.2" RadiusX="0.3" RadiusY="1" GradientOrigin="0,0.2" Opacity="1">
                  <RadialGradientBrush.GradientStops>
                    <GradientStop Color="#FFFFFFFF" Offset="0" />
                    <GradientStop Color="#00FFFFFF" Offset="1" />
                  </RadialGradientBrush.GradientStops>
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle Height="20" VerticalAlignment="Top" RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush Center="0.4,0" RadiusX="1.2" RadiusY="0.3" GradientOrigin="0.4,0" Opacity="0.9">
                  <RadialGradientBrush.GradientStops>
                    <GradientStop Color="#FFFFFFFF" Offset="0" />
                    <GradientStop Color="#00FFFFFF" Offset="1" />
                  </RadialGradientBrush.GradientStops>
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle HorizontalAlignment="Right" Width="20" RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush Center="1,0.65" RadiusX="0.3" RadiusY="0.7" GradientOrigin="1,0.65" Opacity="0.8">
                  <RadialGradientBrush.GradientStops>
                    <GradientStop Color="#44222222" Offset="0" />
                    <GradientStop Color="#00FFFFFF" Offset="1" />
                  </RadialGradientBrush.GradientStops>
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle VerticalAlignment="Bottom" Height="20" RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <RadialGradientBrush Center="0.55,1" RadiusX="0.95" RadiusY="0.3" GradientOrigin="0.55,1" Opacity="0.8">
                  <RadialGradientBrush.GradientStops>
                    <GradientStop Color="#44222222" Offset="0" />
                    <GradientStop Color="#00FFFFFF" Offset="1" />
                  </RadialGradientBrush.GradientStops>
                </RadialGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle RadiusX="3" RadiusY="3" Fill="#00FFFFFF"
         Stroke="{TemplateBinding BorderBrush}"/>
            <ToggleButton IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}">
              <ToggleButton.Style>
                <Style TargetType="ToggleButton">
                  <Setter Property="Background" Value="#00FFFFFF" />
                  <Setter Property="Template">
                    <Setter.Value>
                      <ControlTemplate TargetType="ToggleButton">
                        <Rectangle Fill="Transparent" />
                      </ControlTemplate>
                    </Setter.Value>
                  </Setter>
                </Style>
              </ToggleButton.Style>
            </ToggleButton>
          </Grid>
          <ControlTemplate.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
              <Setter Property="Opacity" TargetName="rectangleArrow" Value="0.65" />
            </Trigger>
            <Trigger Property="HasItems" Value="False">
              <Setter Property="MinHeight" TargetName="PopupCanvas" Value="100" />
            </Trigger>
          </ControlTemplate.Triggers>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <Style TargetType="ComboBoxItem" BasedOn="{StaticResource ItemStyle}" />

  <!--## ListBox ##-->

  <Style TargetType="ListBox">
    <Setter Property="Background" Value="#FFFFFFFF" />
    <Setter Property="BorderBrush" Value="#FF808080" />
    <Setter Property="ClipToBounds" Value="True" />
    <Setter Property="ItemsPanel">
      <Setter.Value>
        <ItemsPanelTemplate>
          <DockPanel />
        </ItemsPanelTemplate>
      </Setter.Value>
    </Setter>
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="ListBox">
          <Grid>
            <Rectangle RadiusX="3" RadiusY="3" Stroke="{TemplateBinding BorderBrush}" Fill="{TemplateBinding Background}" />
            <Rectangle Stroke="#00FFFFFF"
         Height="8" VerticalAlignment="Top"
         RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                  <GradientStop Color="#33000000" Offset="0" />
                  <GradientStop Color="#00FFFFFF" Offset="0.85" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle Stroke="#00FFFFFF"
         Width="8" HorizontalAlignment="Left"
         RadiusX="3" RadiusY="3">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
                  <GradientStop Color="#33000000" Offset="0" />
                  <GradientStop Color="#00FFFFFF" Offset="0.85" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Border>
              <ItemsPresenter Margin="4" />
            </Border>
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <Style TargetType="ListBoxItem" BasedOn="{StaticResource ItemStyle}" />

  <!--## TextBox ##-->

  <Style TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
    <Setter Property="Background" Value="White" />
    <Setter Property="BorderBrush" Value="Gray" />
    <Setter Property="HorizontalAlignment" Value="Left" />
    <Setter Property="Padding" Value="4" />

    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="TextBox">
          <Grid>
            <Rectangle Name="TextBoxBackground"
                    Stroke="{TemplateBinding BorderBrush}" Fill="{TemplateBinding Background}"
                    RadiusX="4" RadiusY="4" />
            <Rectangle Name="TextBoxShadow"
                    Height="8" VerticalAlignment="Top"
                    Stroke="Transparent"
                    RadiusX="4" RadiusY="4">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                  <GradientStop Color="#40000000" Offset="0" />
                  <GradientStop Color="Transparent" Offset="0.85" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle Name="ShadowLeft"
                    Width="8" HorizontalAlignment="Left"
                    Stroke="Transparent"
                    RadiusX="4" RadiusY="4">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
                  <GradientStop Color="#40000000" Offset="0" />
                  <GradientStop Color="Transparent" Offset="0.85" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <ScrollViewer Name="PART_ContentHost" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--## ProgressBar ##-->

  <Style TargetType="ProgressBar">
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="ProgressBar">
          <Grid>
            <Rectangle Name="PART_Track"
Stroke="DarkGray" StrokeThickness="2">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
                  <GradientStop Color="DarkGray" Offset="0" />
                  <GradientStop Color="White" Offset="1" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Rectangle Name="PART_Indicator"
HorizontalAlignment="Left" Margin="2">
              <Rectangle.Fill>
                <LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
                  <GradientStop Color="Blue" Offset="0" />
                  <GradientStop Color="Black" Offset="1" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

</ResourceDictionary>