joli

WpfApp1/MainWindow.xaml

@@ -9,7 +9,7 @@
     
     <DockPanel>
         <DockPanel>
-            <DockPanel>
+            <DockPanel Background="{StaticResource Couleur3}">
                 <ComboBox DockPanel.Dock="Top" x:Name="Region" Foreground="{StaticResource Couleur1}">
                     <ComboBoxItem Tag="Océans" IsSelected="True" x:Name="Tous">Tous</ComboBoxItem>
                     <ComboBoxItem Tag="Océans" x:Name="Arctique" >Arctique</ComboBoxItem>
@@ -18,7 +18,7 @@
                     <ComboBoxItem Tag="Océans" x:Name="Pacifique" >Pacifique</ComboBoxItem>
                 </ComboBox>
                 <TextBox DockPanel.Dock="Top" Text="Rechercher" FontFamily="{StaticResource Police1}" Foreground="{StaticResource Couleur1}" Height="25" Margin="5"  x:Name="Rechercher" VerticalContentAlignment="Center" IsKeyboardFocusedChanged="TextBox_IsKeyboardFocusedChanged"/>
-                <ListBox>
+                <ListBox Background="White">
                     <local:UserControlRequin/>
                     <local:UserControlRequin/>
                     <local:UserControlRequin/>

WpfApp1/UserControlRequin.xaml

@@ -7,6 +7,7 @@
              mc:Ignorable="d" 
              d:DesignHeight="450" d:DesignWidth="800"
              MouseDown="UserControlReq_MouseDown">
+    
     <ListBoxItem MouseDown="UserControlReq_MouseDown">
         <Border MouseDown="UserControlReq_MouseDown" BorderThickness="2" BorderBrush="{StaticResource Couleur2}" CornerRadius="4" Padding="4">
             <Grid MouseDown="UserControlReq_MouseDown">

WpfApp1/userControlAcceuil.xaml

@@ -11,7 +11,7 @@
         <DockPanel x:Name="Button" DockPanel.Dock="Top">
             <Grid>
                 <Image Source="Images\Logo_entier.png" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,10,0,10" Height="40" Stretch="Uniform" StretchDirection="Both"></Image>
-                <Button x:Name="add" Style="{StaticResource Button1}" HorizontalAlignment="Right" VerticalAlignment="Center" Width="50" Height="50" FontSize="25">
+                <Button x:Name="add" Style="{StaticResource Button1}" HorizontalAlignment="Right" VerticalAlignment="Center" Width="50" Height="50" FontSize="25" Background="{StaticResource Couleur3}">
                     <Image Source="Images\plus.png"/>
                 </Button>
             </Grid>