ConsEco/Code/IHM/App.xaml

<Application x:Class="IHM.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:local="clr-namespace:IHM"
             xmlns:conv="clr-namespace:IHM.Converters"
             StartupUri="MainWindow.xaml">
    <Application.Resources>

        <conv:Func2WindowPartConverter x:Key="Func2WpConv"/>

        <Style x:Key="BorderRessource" TargetType="Border">
            <Setter Property="BorderBrush" Value="#63A4FF"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Margin" Value="20"/>
            <Setter Property="CornerRadius" Value="5"/>
        </Style>

        <Style TargetType="UserControl" x:Key="ImageFondRessource">
            <Setter Property="Background">
                <Setter.Value>
                    <VisualBrush>
                        <VisualBrush.Visual>
                            <Image Source="./images/fond2.png">
                                <Image.Effect>
                                    <BlurEffect Radius="0"/>
                                </Image.Effect>
                            </Image>
                        </VisualBrush.Visual>
                    </VisualBrush>
                </Setter.Value>
            </Setter>
        </Style>

        <Style x:Key="TextBlockRessource" TargetType="TextBlock">
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
        </Style>

        <Style TargetType="Button" x:Key="TransparentButtonRessource">
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="TextBlock.TextAlignment" Value="Center" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                        <Border CornerRadius="5" Background="Transparent" BorderBrush="#63A4FF" BorderThickness="1" >
                        <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        </Style>

        <Style x:Key="GreenButtonRessource" TargetType="Button">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border CornerRadius="5" BorderBrush="#63A4FF" BorderThickness="1" >
                            <Border.Background>
                                <LinearGradientBrush>
                                    <GradientStop Color="#80FF72" Offset="0"/>
                                    <GradientStop Color="#7EE8FA" Offset="1"/>
                                </LinearGradientBrush>
                            </Border.Background>
                            <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
        </Style>

        <SolidColorBrush x:Key="CouleurPrincipale" Color="Black"/>

    </Application.Resources>
</Application>