Make a ScreenLevelFinish and add a picture for the background

app/src/main/java/school_project/Menu/ScreenLevelFinish.java

@@ -0,0 +1,37 @@
+package school_project.Menu;
+
+
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+
+import javafx.scene.layout.StackPane;
+import javafx.scene.text.Font;
+import school_project.Controller;
+
+public class ScreenLevelFinish extends StackPane {
+
+    public ScreenLevelFinish(){
+        super();
+        Label CongraMess  = new Label(" LEVEL DONE GREAT JOB ");
+        CongraMess.setFont(Font.font(40));
+        Button BckMenu = new Button("Back to Menu");
+        BckMenu.setFont(Font.font(25));
+        Button ChooseLvl = new Button("Choose level");
+        ChooseLvl.setFont(Font.font(25));
+        BckMenu.setOnAction(event -> Controller.switchRoot(new MenuAccueil()));
+        ChooseLvl.setOnAction(event -> Controller.switchRoot(new MenuLevel(1)));
+        getChildren().addAll(BckMenu,ChooseLvl,CongraMess);
+        setAlignment(BckMenu, Pos.CENTER_RIGHT);
+        setAlignment(ChooseLvl, Pos.CENTER_LEFT);
+        setAlignment(CongraMess, Pos.TOP_CENTER);
+        setMargin(BckMenu, new Insets(0,300,0,0 ));
+        setMargin(ChooseLvl,new Insets(0,0,0,300));
+        setMargin(CongraMess,new Insets(300,0,0,0));
+        getStyleClass().add("StackPane");
+        getStylesheets().add(String.valueOf(getClass().getResource("StyleMenuAcceuil.css")));
+
+
+    }
+}

app/src/main/resources/school_project/Menu/StyleMenuAcceuil.css

@@ -5,4 +5,8 @@
 .GridPane{
     -fx-background-image: url("Background-select-level.jpg");
     -fx-background-position:right;
+
+}
+.StackPane{
+    -fx-background-image: url("BackGround-LvlFinish.jpg");
 }