diff --git a/Sources/IHM/App.xaml b/Sources/IHM/App.xaml
index d5a6223..d304a38 100644
--- a/Sources/IHM/App.xaml
+++ b/Sources/IHM/App.xaml
@@ -4,6 +4,17 @@
              xmlns:local="clr-namespace:IHM"
              x:Class="IHM.App">
     <Application.Resources>
+        <Style TargetType="Border" x:Key="Rectangle">
+            <Setter Property="BackgroundColor" Value="Black"/>
+            <Setter Property="Padding" Value="7"/>
+            <Setter Property="StrokeShape" Value="RoundRectangle 40"/>
+        </Style>
+        <Style TargetType="Entry" x:Key="ZoneTaper">
+            <Setter Property="BackgroundColor" Value="White"/>
+            <Setter Property="TextColor" Value="Black"/>
+            <Setter Property="VerticalTextAlignment" Value="Center"/>
+            <Setter Property="FontSize" Value="15"/>
+        </Style>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
                 <ResourceDictionary Source="Resources/Styles/Colors.xaml" />
diff --git a/Sources/IHM/MainPage.xaml b/Sources/IHM/MainPage.xaml
index 109a56e..58250fb 100644
--- a/Sources/IHM/MainPage.xaml
+++ b/Sources/IHM/MainPage.xaml
@@ -17,27 +17,20 @@
             <Image Source="Resources/Images/logo_sans_fond.png"
                    HorizontalOptions="Center"
                    Scale="0.5"/>
-            
-            <Border StrokeShape="RoundRectangle 40" BackgroundColor="White" Padding="7">
-                <Entry BackgroundColor="White" 
-                       TextColor="Black" 
-                       VerticalTextAlignment="Center" 
-                       FontSize="15" 
+
+            <Border Style="{StaticResource Rectangle}">
+                <Entry Style="{StaticResource ZoneTaper}"
                        Placeholder="Addresse mail"
                        x:Name="EntryMail"/>
             </Border>
 
-            <Border StrokeShape="RoundRectangle 40" BackgroundColor="White" Padding="7">
-                <Entry BackgroundColor="White" 
-                       TextColor="Black" 
-                       VerticalTextAlignment="Center" 
-                       FontSize="15" 
+            <Border Style="{StaticResource Rectangle}">
+                <Entry Style="{StaticResource ZoneTaper}"
                        Placeholder="Mot de passe" 
                        IsPassword="True"
                        x:Name="EntryPassworld"/>
-                
             </Border>
-            
+
             <Button
                 x:Name="ConnexionButton"
                 Text="Se connecter"