diff --git a/src/BookApp/Composants/GroupCollection.xaml b/src/BookApp/Composants/GroupCollection.xaml
index d066b80..834cdfa 100644
--- a/src/BookApp/Composants/GroupCollection.xaml
+++ b/src/BookApp/Composants/GroupCollection.xaml
@@ -7,10 +7,11 @@
         <CollectionView.GroupHeaderTemplate>
             <DataTemplate>
                 <Label Text="{Binding Name}"
-                 BackgroundColor="LightGray"
+                 FontFamily="SF-Compact-Display-Semibold"
+                 BackgroundColor="LightGrey"
+                 TextColor="Gray"
                  Padding="5"
-                 Margin="15,0,0,0"
-                 TextColor="Black"/>
+                 Margin="15,0,0,0"/>
             </DataTemplate>
         </CollectionView.GroupHeaderTemplate>
         <CollectionView.ItemTemplate>
@@ -31,14 +32,15 @@
                         Margin="0,10,0,10"/>
                         <StackLayout Grid.Column="1">
                             <Label Text="{Binding Name}"
-                            
+                            FontFamily="SF-Compact-Display-Bold"
+                            FontSize="18"
                             TextColor="Black"/>
                             <Label Text="{Binding Auteur.Name}"
-                            
+                            FontFamily="SF-Compact-Display-Semibold"
                             TextColor="Black"/>
                             <Label 
-                            Text="{Binding Statut}"
-                            FontAttributes="Bold"/>
+                            TextColor="SlateGray"
+                            Text="{Binding Statut}"/>
                            
                             <StackLayout Margin="0,10" Orientation="Horizontal" VerticalOptions="EndAndExpand">
                                 <Image Source="empty_star.svg" WidthRequest="25" HeightRequest="25"/>
diff --git a/src/BookApp/MainPage.xaml b/src/BookApp/MainPage.xaml
index ff46996..10377b8 100644
--- a/src/BookApp/MainPage.xaml
+++ b/src/BookApp/MainPage.xaml
@@ -38,7 +38,7 @@
         <BackButtonBehavior IsVisible="False" IsEnabled="False" />
     </Shell.BackButtonBehavior>
     <StackLayout>
-        <Label FontSize="35" Padding="10" FontAttributes="Bold" >Mes livres</Label>
+        <Label FontSize="35" FontFamily="SF-Pro-Display-Bold" Padding="10">Mes livres</Label>
         <Rectangle  HeightRequest="1" BackgroundColor="black" VerticalOptions="End" />
         <CollectionView ItemsSource="{Binding MyCollections1}"  Margin="25,0,0,0" BackgroundColor="#F9F9F9">
             <CollectionView.ItemTemplate>
@@ -53,7 +53,7 @@
                                Source="{Binding Icone}"
                                HeightRequest="25"
                                WidthRequest="25"/>
-                        <Label Grid.Column="1"
+                        <Label FontFamily="SF-Compact-Display-Semibold" Grid.Column="1"
                                Text="{Binding Name}"
                            FontAttributes="Bold"
                                Padding="5"
@@ -90,7 +90,7 @@
         </CollectionView>
         
         <Rectangle  HeightRequest="1" BackgroundColor="black" VerticalOptions="End"/>
-        <Label FontSize="18" Padding="15" FontAttributes="Bold">Filtres</Label>
+        <Label FontFamily="SF-Pro-Display-Heavy" FontSize="20" Padding="10">Filtres</Label>
         <Rectangle  HeightRequest="1" BackgroundColor="black" VerticalOptions="End"/>
 
         <CollectionView ItemsSource="{Binding MyCollections2}" Margin="25,0,0,0" BackgroundColor="#F9F9F9">
@@ -106,7 +106,7 @@
                                Source="{Binding Icone}"
                                HeightRequest="25"
                                WidthRequest="25"/>
-                        <Label Grid.Column="1"
+                        <Label FontFamily="SF-Compact-Display-Semibold" Grid.Column="1"
                                Text="{Binding Name}"
                                 FontAttributes="Bold"
                                Padding="5"
@@ -116,7 +116,7 @@
                                 <ColumnDefinition Width="*" />
                                 <ColumnDefinition Width="*" />
                             </Grid.ColumnDefinitions>
-                            <Label Grid.Column="2"
+                            <Label FontFamily="SF-Compact-Display-Semibold" Grid.Column="2"
                                 Text="{Binding Number}"
                                 FontAttributes="Bold"
                                 VerticalOptions="Center"