diff --git a/chat/src/main/java/rtgre/chat/ChatApplication.java b/chat/src/main/java/rtgre/chat/ChatApplication.java
index 70ea41f..7e436cb 100644
--- a/chat/src/main/java/rtgre/chat/ChatApplication.java
+++ b/chat/src/main/java/rtgre/chat/ChatApplication.java
@@ -3,10 +3,12 @@ package rtgre.chat;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Scene;
+import javafx.scene.image.Image;
 import javafx.stage.Stage;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Objects;
 import java.util.logging.Level;
 import java.util.logging.LogManager;
 import java.util.logging.Logger;
@@ -31,8 +33,10 @@ public class ChatApplication extends Application {
         FXMLLoader fxmlLoader = new FXMLLoader(ChatApplication.class.getResource("chat-view.fxml"));
         Scene scene = new Scene(fxmlLoader.load(), 320, 240);
         stage.setTitle("Chat @BOUCLY_Emi (B2GA)");
-        stage.setMinWidth(800);
-        stage.setMinHeight(500);
+
+        stage.getIcons().add(new Image(Objects.requireNonNull(ChatApplication.class.getResourceAsStream("rt.png"))));
+        stage.setMinWidth(600);
+        stage.setMinHeight(400);
         stage.setScene(scene);
         stage.show();
     }
diff --git a/chat/src/main/java/rtgre/chat/ChatController.java b/chat/src/main/java/rtgre/chat/ChatController.java
index 3c4f5ba..c1552c9 100644
--- a/chat/src/main/java/rtgre/chat/ChatController.java
+++ b/chat/src/main/java/rtgre/chat/ChatController.java
@@ -3,9 +3,11 @@ package rtgre.chat;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
 import javafx.scene.control.*;
+import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 
 import java.net.URL;
+import java.util.Objects;
 import java.util.ResourceBundle;
 import java.util.logging.Logger;
 
@@ -28,5 +30,9 @@ public class ChatController implements Initializable {
     @Override
     public void initialize(URL url, ResourceBundle resourceBundle) {
         LOGGER.info("Initialisation de l'interface graphique");
+
+        Image image = new Image(Objects.requireNonNull(ChatController.class.getResourceAsStream("anonymous.png")));
+        this.avatarImageView.setImage(image);
+
     }
 }
\ No newline at end of file
diff --git a/chat/src/main/resources/rtgre/chat/anonymous.png b/chat/src/main/resources/rtgre/chat/anonymous.png
new file mode 100644
index 0000000..01d5e63
Binary files /dev/null and b/chat/src/main/resources/rtgre/chat/anonymous.png differ
diff --git a/chat/src/main/resources/rtgre/chat/chat-view.fxml b/chat/src/main/resources/rtgre/chat/chat-view.fxml
index 1346863..33ce53e 100644
--- a/chat/src/main/resources/rtgre/chat/chat-view.fxml
+++ b/chat/src/main/resources/rtgre/chat/chat-view.fxml
@@ -19,7 +19,7 @@
 <?import javafx.scene.layout.RowConstraints?>
 <?import javafx.scene.layout.VBox?>
 
-<VBox alignment="CENTER" minHeight="500.0" minWidth="800.0" prefHeight="500.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/18" xmlns:fx="http://javafx.com/fxml/1" fx:controller="rtgre.chat.ChatController">
+<VBox alignment="CENTER" minHeight="400.0" minWidth="600.0" prefHeight="500.0" prefWidth="800.0" xmlns="http://javafx.com/javafx/18" xmlns:fx="http://javafx.com/fxml/1" fx:controller="rtgre.chat.ChatController">
    <children>
       <MenuBar>
         <menus>
@@ -36,11 +36,11 @@
           </Menu>
         </menus>
       </MenuBar>
-      <GridPane>
+      <GridPane maxWidth="1.7976931348623157E308">
         <columnConstraints>
-          <ColumnConstraints hgrow="NEVER" maxWidth="94.0" minWidth="10.0" prefWidth="59.0" />
-          <ColumnConstraints hgrow="NEVER" maxWidth="286.0" minWidth="0.0" prefWidth="32.0" />
-            <ColumnConstraints hgrow="ALWAYS" minWidth="10.0" prefWidth="494.0" />
+          <ColumnConstraints hgrow="NEVER" maxWidth="107.0" minWidth="10.0" prefWidth="62.0" />
+          <ColumnConstraints hgrow="NEVER" maxWidth="286.0" minWidth="0.0" prefWidth="34.0" />
+            <ColumnConstraints hgrow="ALWAYS" minWidth="10.0" prefWidth="400.0" />
             <ColumnConstraints halignment="RIGHT" hgrow="NEVER" maxWidth="131.0" minWidth="10.0" prefWidth="106.0" />
         </columnConstraints>
         <rowConstraints>
@@ -48,33 +48,33 @@
           <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
         </rowConstraints>
          <children>
-            <Label text="Server :" />
-            <Label text="Login :" GridPane.rowIndex="1" />
-            <ComboBox fx:id="hostComboBox" maxWidth="1.7976931348623157E308" promptText="Choose host..." GridPane.columnIndex="2">
+            <Label text="Server :" GridPane.hgrow="NEVER" />
+            <Label text="Login :" GridPane.hgrow="NEVER" GridPane.rowIndex="1" />
+            <ComboBox fx:id="hostComboBox" maxWidth="1.7976931348623157E308" promptText="Choose host..." GridPane.columnIndex="2" GridPane.hgrow="ALWAYS">
                <GridPane.margin>
                   <Insets bottom="5.0" top="5.0" />
                </GridPane.margin>
             </ComboBox>
-            <TextField fx:id="loginTextField" maxWidth="1.7976931348623157E308" GridPane.columnIndex="2" GridPane.rowIndex="1">
+            <TextField fx:id="loginTextField" maxWidth="1.7976931348623157E308" GridPane.columnIndex="2" GridPane.hgrow="ALWAYS" GridPane.rowIndex="1">
                <GridPane.margin>
                   <Insets bottom="5.0" top="5.0" />
                </GridPane.margin>
             </TextField>
-            <ToggleButton fx:id="connectionButton" maxHeight="1.7976931348623157E308" mnemonicParsing="false" prefWidth="100.0" text="Connection" GridPane.columnIndex="3" GridPane.rowSpan="2">
+            <ToggleButton fx:id="connectionButton" maxHeight="1.7976931348623157E308" mnemonicParsing="false" prefWidth="100.0" text="Connection" GridPane.columnIndex="3" GridPane.halignment="RIGHT" GridPane.hgrow="NEVER" GridPane.rowSpan="2">
                <GridPane.margin>
                   <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
                </GridPane.margin>
             </ToggleButton>
-            <ImageView fx:id="avatarImageView" fitHeight="35.0" fitWidth="34.0" pickOnBounds="true" preserveRatio="true" GridPane.columnIndex="1" GridPane.rowIndex="1" />
+            <ImageView fx:id="avatarImageView" fitHeight="24.0" fitWidth="24.0" pickOnBounds="true" preserveRatio="true" GridPane.columnIndex="1" GridPane.halignment="LEFT" GridPane.hgrow="NEVER" GridPane.rowIndex="1" />
          </children>
          <VBox.margin>
             <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
          </VBox.margin>
       </GridPane>
-      <SplitPane fx:id="exchangeSplitPane" dividerPositions="0.5" prefHeight="200.0" prefWidth="200.0" VBox.vgrow="ALWAYS">
+      <SplitPane fx:id="exchangeSplitPane" dividerPositions="0.9" prefHeight="200.0" prefWidth="200.0" VBox.vgrow="ALWAYS">
          <items>
             <ListView fx:id="postListView" prefHeight="200.0" prefWidth="348.0" />
-            <SplitPane dividerPositions="0.5" orientation="VERTICAL" prefHeight="200.0" prefWidth="160.0">
+            <SplitPane dividerPositions="0.1" orientation="VERTICAL" prefHeight="200.0" prefWidth="160.0">
                <items>
                   <ListView fx:id="roomsListView" prefHeight="200.0" prefWidth="200.0" />
                   <ListView fx:id="contactListView" prefHeight="200.0" prefWidth="200.0" />
diff --git a/chat/src/main/resources/rtgre/chat/rt.png b/chat/src/main/resources/rtgre/chat/rt.png
new file mode 100644
index 0000000..db84b1d
Binary files /dev/null and b/chat/src/main/resources/rtgre/chat/rt.png differ