Minor style changes.

src/main/java/edu/ntnu/stud/chaosgame/view/modificationpopups/AbstractPopup.java

@@ -14,8 +14,6 @@ import javafx.scene.layout.VBox;
 import javafx.stage.Modality;
 import javafx.stage.Stage;
 
-import java.text.Normalizer;
-
 /**
  * Abstract class for popups.
  */
@@ -76,7 +74,7 @@ public abstract class AbstractPopup {
    *
    * @param layout the layout of the popup.
    */
-  public AbstractPopup(VBox layout) {
+  protected AbstractPopup(VBox layout) {
     this.popupModifyStage = new Stage();
     this.popupModifyStage.initModality(Modality.APPLICATION_MODAL);
     this.popupModifyStage.setAlwaysOnTop(true);
@@ -123,7 +121,7 @@ public abstract class AbstractPopup {
 
   VBox.setVgrow(bottomLayout, Priority.ALWAYS);
 
-  layout.getChildren().add(0, nameBox);
+  layout.getChildren().addFirst(nameBox);
 }
 
   /**