diff --git a/CitoyenModal.xaml b/CitoyenModal.xaml
index 151fe26..78f17df 100644
--- a/CitoyenModal.xaml
+++ b/CitoyenModal.xaml
@@ -18,7 +18,7 @@
         <Converter:NegateBoolean x:Key="NegateBoolean"/>
     </Window.Resources>
 
-    <Grid>
+    <Grid Background="WhiteSmoke">
         <Grid.RowDefinitions>
             <RowDefinition Height="320"/>
             <RowDefinition Height="*"/>
diff --git a/MainWindow.xaml b/MainWindow.xaml
index 3563b05..0ecf28c 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -12,13 +12,13 @@
     <Window.Resources>
         <BooleanToVisibilityConverter x:Key="Bool2VisibilityConv"/>
     </Window.Resources>
-    <Grid>
+    <Grid Background="WhiteSmoke">
         <Grid.RowDefinitions>
             <RowDefinition Height="20"/>
             <RowDefinition Height="100"/>
             <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
-        <Menu Grid.Row="0">
+        <Menu Grid.Row="0" Background="White">
             <MenuItem Header="Fichier">
                 <MenuItem Header="Exporter..."/>
                 <MenuItem Header="Importer..."/>
@@ -71,7 +71,7 @@
                 </WrapPanel>
             </StackPanel>
         </WrapPanel>
-        <DataGrid Grid.Row="2" VerticalScrollBarVisibility="Visible" GridLinesVisibility="All"  Margin="10" Name="dgCitoyens" AutoGenerateColumns="False" IsReadOnly="True" MouseDoubleClick="DgCitoyen_DoubleClick">
+        <DataGrid Background="White" Grid.Row="2" VerticalScrollBarVisibility="Visible" GridLinesVisibility="All"  Margin="10" Name="dgCitoyens" AutoGenerateColumns="False" IsReadOnly="True" MouseDoubleClick="DgCitoyen_DoubleClick">
             <DataGrid.Columns>
                 <DataGridTextColumn Header="Civilité" Visibility="{Binding Source={x:Reference civiliteViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding Civilite}" Width="*"/>
                 <DataGridTextColumn Header="Nom" Visibility="{Binding Source={x:Reference nomViewCheckBox}, Path=IsChecked, Converter={StaticResource Bool2VisibilityConv}}" Binding="{Binding Nom}" Width="*"/>
diff --git a/PreferencesModal.xaml b/PreferencesModal.xaml
index 6bd9857..cb9ade2 100644
--- a/PreferencesModal.xaml
+++ b/PreferencesModal.xaml
@@ -10,7 +10,7 @@
         ResizeMode="NoResize"
         WindowStartupLocation="CenterOwner"
         Closing="Window_Closing">
-    <Grid>
+    <Grid Background="WhiteSmoke">
         <Grid.RowDefinitions>
             <RowDefinition Height="160"/>
             <RowDefinition Height="*"/>