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="Black"/>
            <Setter Property="BorderThickness" Value="2"/>
            <Setter Property="Margin" Value="20"/>
        </Style>

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

        <Style x:Key="TransparentButtonRessource" TargetType="Button">
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="BorderBrush" Value="Black"/>
            <Setter Property="BorderThickness" Value="2"/>
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
        </Style>

        <Style x:Key="GreenButtonRessource" TargetType="Button">
            <Setter Property="Background" Value="#7FB196"/>
            <Setter Property="BorderBrush" Value="Black"/>
            <Setter Property="BorderThickness" Value="2"/>
            <Setter Property="HorizontalAlignment" Value="Center"/>
            <Setter Property="VerticalAlignment" Value="Center"/>
        </Style>

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

    </Application.Resources>
</Application>