WPF Template in Resource File

<Application x:Class="WpfApplication1.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    StartupUri="Window1.xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="Resource.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>
 
 
 
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <ControlTemplate x:Key="buttonTemplate" TargetType="{x:Type Button}">
        <Grid>
            <Ellipse x:Name="outerCircle">
                <Ellipse.Fill>
                    <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                        <GradientStop Offset="0" Color="Blue" />
                        <GradientStop Offset="1" Color="Red" />
                    </LinearGradientBrush>
                </Ellipse.Fill>
            </Ellipse>
            <Ellipse x:Name="innerCircle" RenderTransformOrigin=".5,.5">
                <Ellipse.RenderTransform>
                    <ScaleTransform ScaleX=".8" ScaleY=".8" />                    
                </Ellipse.RenderTransform>
                <Ellipse.Fill>
                    <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
                        <GradientStop Offset="0" Color="Red" />
                        <GradientStop Offset="1" Color="Blue" />
                    </LinearGradientBrush>
                </Ellipse.Fill>                
            </Ellipse>
            <Viewbox>
                <ContentPresenter Margin="{TemplateBinding Padding}" />
            </Viewbox>        
        </Grid>
        <ControlTemplate.Triggers>
            <Trigger Property="IsMouseOver" Value="True">
                <Setter TargetName="outerCircle" Property="Fill" Value="Orange" />
            </Trigger>
            <Trigger Property="IsPressed" Value="True">
                <Setter Property="RenderTransform" >
                    <Setter.Value>
                        <ScaleTransform ScaleX=".9" ScaleY=".9" />
                    </Setter.Value>
                </Setter>
                <Setter Property="RenderTransformOrigin" Value=".5,.5"/>
            </Trigger>
        </ControlTemplate.Triggers>
    </ControlTemplate>
 
    <Style x:Key="buttonStyle" TargetType="{x:Type Button}">
        <Setter Property="Foreground" Value="Blue" />
        <Setter Property="Background" Value="Black" />
        <Setter Property="FontSize" Value="14" />        
    </Style>
</ResourceDictionary>
 
 
 <Grid>
        <Button Margin="275,112,241,106" Name="button1"  Template="{StaticResource buttonTemplate}" Click="button1_Click">Text</Button>
        <Button Margin="275,0,241,59" Name="button2"  Style="{StaticResource buttonStyle}" Click="button1_Click" Height="23" VerticalAlignment="Bottom">Text</Button>
    </Grid>