diff --git a/src/main/java/de/uniluebeck/mi/projmi6/Main.java b/src/main/java/de/uniluebeck/mi/projmi6/Main.java
index 479ab65..85c6d54 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/Main.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/Main.java
@@ -7,6 +7,7 @@ import de.uniluebeck.mi.projmi6.db.DBHandler;
 import de.uniluebeck.mi.projmi6.hapi.HL7Receiver;
 import de.uniluebeck.mi.projmi6.hapi.HL7Server;
 import javafx.application.Application;
+import javafx.application.Platform;
 import javafx.beans.property.ReadOnlyStringProperty;
 import javafx.collections.FXCollections;
 import javafx.concurrent.Task;
@@ -27,17 +28,29 @@ import javafx.scene.text.Text;
 import javafx.stage.Stage;
 import javafx.stage.StageStyle;
 
-
+/**
+ * The JavaFX application class that starts our application.
+ *
+ * @author Johannes
+ */
 public class Main extends Application {
 
+    /**
+     * The ip adress of the OPS system we wan't to communicate with.
+     * Can be set in the settings tab.
+     */
     public static String OPS_IP = "127.0.0.1";
-    public static int OPS_PORT = 1112;
 
+    /**
+     * OPS system's port number.
+     * Can be changed from the settings tab.
+     */
+    public static int OPS_PORT = 1112;
 
-    private HL7Server server;
 
     /**
-     * Cuz building the GUI from FXML is a bit costly,
+     * Because building the GUI from FXML is a bit costly
+     * and loading the master data takes some time,
      * it's done from its own thread.
      */
     private Task<Parent> loadMainWindowTask = new Task<Parent>() {
@@ -101,8 +114,18 @@ public class Main extends Application {
         launch(args);
     }
 
+
+    /**
+     * Server instance that is currently running
+     */
+    private HL7Server server;
+
+    /**
+     * In the application lifecycle, this method will be called when closing.
+     */
     @Override
     public void stop() throws Exception {
+        //Stop the server
         if (server != null) {
             server.stop();
             server.shutdown();
@@ -112,9 +135,6 @@ public class Main extends Application {
 
     @Override
     public void start(Stage primaryStage) {
-        // TODO: Jojo kann das weg?
-        // System.out.println(getClass().getClassLoader().getResource("").toExternalForm());
-
         primaryStage.getIcons().add(icon);
 
         Stage loadingMessage = createLoadWindow(loadMainWindowTask.messageProperty());
@@ -122,6 +142,7 @@ public class Main extends Application {
         loadMainWindowTask.setOnFailed(event -> {
             loadMainWindowTask.getException().printStackTrace();
             loadingMessage.close();
+            Platform.exit();
         });
         loadMainWindowTask.setOnSucceeded(event -> {
             Parent root = loadMainWindowTask.getValue();
@@ -162,6 +183,7 @@ public class Main extends Application {
         Scene scene = new Scene(root, 400, 500);
 
         Stage stage = new Stage(StageStyle.UNDECORATED);
+        stage.setTitle("KIS wird geladen....");
         stage.getIcons().add(icon);
         root.setBackground(new Background(new BackgroundFill(Paint.valueOf("#0093D1"), CornerRadii.EMPTY, Insets.EMPTY)));
         stage.setScene(scene);
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/DiagnoseController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/DiagnoseController.java
index c7e4732..7d6a9a6 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/DiagnoseController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/DiagnoseController.java
@@ -115,20 +115,19 @@ public class DiagnoseController {
      */
     @FXML
     private void initialize() {
+        initButtons();
 
+        //Init diagnosis list view
         diagDiagnose.itemsProperty().bind(mainController.getStammdaten().icd10CodesProperty());
-
         new SelectKeyComboBoxListener(diagDiagnose);
 
+        //init fields on the right
         diagDiagnoseArt.setItems(FXCollections.observableArrayList(DiagArt.values()));
         diagDiagnoseArzt.itemsProperty().bind(mainController.getStammdaten().mitarbeiterProperty());
-
         diagnoseList.itemsProperty().bind(diagnosen);
-
-        initButtons();
-
         fields.disableProperty().bind(state.isEqualTo(State.VIEW));
 
+        //Init the list view on the left.
         diagnoseList.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
         diagnoseList.disableProperty().bind(state.isNotEqualTo(State.VIEW));
         diagnoseList.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) -> {
@@ -139,6 +138,7 @@ public class DiagnoseController {
             }
         });
 
+        //React on state changes.
         state.addListener((observable, oldValue, newValue) -> {
             if(newValue == State.VIEW){
                 mainController.unlockFromEdit();
@@ -168,9 +168,10 @@ public class DiagnoseController {
 
         btnDiagEdit.disableProperty().bind(diagnoseList.getSelectionModel().selectedItemProperty().isNull());
 
-        btnDiagEdit.managedProperty().bind(state.isEqualTo(State.VIEW));
-        btnDiagEdit.visibleProperty().bind(btnDiagEdit.managedProperty());
-
+        //btnDiagEdit.managedProperty().bind(state.isEqualTo(State.VIEW));
+        //btnDiagEdit.visibleProperty().bind(btnDiagEdit.managedProperty());
+        btnDiagEdit.setManaged(false);
+        btnDiagEdit.setVisible(false);
 
         btnDiagSave.managedProperty().bind(state.isNotEqualTo(State.VIEW));
         btnDiagSave.visibleProperty().bind(btnDiagSave.managedProperty());
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/FallController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/FallController.java
index d16032c..f081193 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/FallController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/FallController.java
@@ -1,8 +1,5 @@
 package de.uniluebeck.mi.projmi6.controller;
 
-/**
- * Created by 631806 on 12.11.15.
- */
 
 import ca.uhn.hl7v2.HL7Exception;
 import de.uniluebeck.mi.projmi6.db.DBHandler;
@@ -132,6 +129,9 @@ public class FallController {
     @FXML
     private void initialize() {
         fallEinweisenderArzt.disableProperty().bind(fallSelbsteinweisung.selectedProperty());
+        fallEinweisenderArzt.managedProperty().bind(fallSelbsteinweisung.selectedProperty().not());
+        fallEinweisenderArzt.visibleProperty().bind(fallEinweisenderArzt.managedProperty());
+
         fallFallart.setItems(FXCollections.observableArrayList(FallArt.values()));
         fallKasse.setItems(mainController.getStammdaten().getKassen());
 
@@ -194,8 +194,6 @@ public class FallController {
      */
     @FXML
     private void clickedSendHl7() {
-        /* Natascha */
-        //TODO send funny message
         Patient patient = mainController.getPatientTablesController().getSelectedPatient();
         Fall fall = fallProperty.get();
         fall.setPatient(patient);
@@ -208,6 +206,41 @@ public class FallController {
     }
 
     /**
+     * Opens a dialog to inform the user about invalid data.
+     */
+    private void showMessage(String title, String message) {
+        Alert alert = new Alert(Alert.AlertType.INFORMATION);
+        alert.setTitle("Ung\u00fcltige Falldaten eingegeben!");
+        alert.setHeaderText(title);
+        alert.setContentText(message);
+
+        alert.showAndWait();
+    }
+
+
+    /**
+     * Validate the data entered by the user.
+     */
+    private boolean validateData(Fall fall){
+        if(fall.getAufnahmeDatum()!= null && fall.getEntlassungsDatum() != null
+            && fall.getAufnahmeDatum().isAfter(fall.getEntlassungsDatum())){
+            showMessage("Aufnahmedatum lieght hinter Entlassungsdatum", "Der Patient muss aufgenommen worden sein, ehe " +
+                    "er wieder entlassen worden sein kann.");
+            return false;
+        }
+        if(fall.getKasse()==null  || fall.getVersichertenNummer().isEmpty()){
+            showMessage("Fall hat keine Kasse/Versicherungsnummer", "An den Fall m\u00fcssen Abrechnungsinfos angeh\u00e4ngt werden!");
+            return false;
+        }
+        if(fall.getFallArt()==null){
+            showMessage("Es ist keine Fallart ausgew\u00e4hlt!", "Bitte eine Fallart ausw\u00e4hlen!");
+            return false;
+        }
+        return true;
+    }
+
+
+    /**
      * Toggle controller state to edit
      */
     public void editFall() {
@@ -255,30 +288,35 @@ public class FallController {
         if (this.state.get() == State.CREATE) {
             Fall fall = new Fall();
             copyFieldDataIntoFall(fall);
+            if(!validateData(fall)){
+                return;
+            }
             try {
                 int newfallid = DBHandler.setFall(fall, mainController.getCurrentMitarbeiter().getMitarbID());
                 fall.setFallID(newfallid);
-
             } catch (SQLException e) {
                 e.printStackTrace();
+                return;
             }
             try {
                 HL7Sender.createMessageADT_A01(fall);
             } catch (IOException | HL7Exception | SQLException e) {
                 e.printStackTrace();
             }
-        } else {
+            mainController.refreshCasesFromDb(mainController.getPatientTablesController().getSelectedPatient());
+        } else { //Update / edit
             copyFieldDataIntoFall(fallProperty.get());
+            if(!validateData(fallProperty.get())){
+                return;
+            }
             try {
                 DBHandler.setFall(fallProperty.get(), mainController.getCurrentMitarbeiter().getMitarbID(), true);
-
             } catch (SQLException e) {
                 e.printStackTrace();
             }
         }
 
         this.state.set(State.VIEW);
-        mainController.refreshCasesFromDb(mainController.getPatientTablesController().getSelectedPatient());
     }
 
     /**
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/LogController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/LogController.java
index e22aa24..1b863f3 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/LogController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/LogController.java
@@ -25,7 +25,7 @@ public class LogController {
     /**
      * The superior controller
      */
-    final MainController mainController;
+    private final MainController mainController;
 
     @FXML
     private TableView<HL7LogEntry> tblLog;
@@ -60,7 +60,6 @@ public class LogController {
         initColumns();
         refreshLogFromDb();
     }
-
     /**
      * Init cell value factories for the table columns
      */
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/MainController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/MainController.java
index 593d712..147e3f2 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/MainController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/MainController.java
@@ -110,6 +110,9 @@ public class MainController {
     private int fallIdToShow = -1;
 
 
+    /**
+     * Public constructor
+     */
     public MainController() {
         fallController = new FallController(this);
         diagnoseController = new DiagnoseController(this);
@@ -307,9 +310,11 @@ public class MainController {
      */
     @FXML
     private void initialize() {
+        initCaseListView();
+
         //Init user data.
         cmbUserChoose.itemsProperty().bind(this.getStammdaten().mitarbeiterProperty());
-        cmbUserChoose.getSelectionModel().select(0); // TODO: Bessere Loesung finden.
+        cmbUserChoose.getSelectionModel().select(0);
 
 
         //Disable the right side if no case is selected.
@@ -322,6 +327,19 @@ public class MainController {
         });
 
 
+
+        tabPaneFall.setDisable(false);
+        tabFallDiagnose.setDisable(true);
+        tabFallStationsHistorie.setDisable(true);
+        tabFallUntersuchungen.setDisable(true);
+
+
+    }
+
+    /**
+     * Setup the list view of the patient's cases.
+     */
+    private void initCaseListView(){
         lvFall.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
 
         fallController.fallProperty().bind(lvFall.getSelectionModel().selectedItemProperty());
@@ -383,14 +401,9 @@ public class MainController {
             stationsHistorieController.setStationsHistorie(null);
             diagnoseController.setDiagnosen(null);
             untersuchungenController.setUntersuchungen(null);
-            //fallController.c
             return;
         }
 
-        if (fall == null) { // If no patient is selected
-            lvFallPlaceholder.setText("Kein Patient ausgew\u00e4hlt!");
-            return;
-        }
 
 
         loadCaseData = new Task<Void>() {
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageController.java
index d9f925f..b1f1955 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageController.java
@@ -16,7 +16,7 @@ import java.io.IOException;
 
 /**
  * This controller controlls the small message icon at the bottom of the application's main window.
- * Created by Johannes on 21/11/2015.
+ * @author Johannes
  */
 public class MessageController {
     /**
@@ -27,7 +27,7 @@ public class MessageController {
     /**
      * The list of unread messages
      */
-    private final SimpleListProperty<HL7Message> messages = new SimpleListProperty(FXCollections.observableArrayList());
+    private final SimpleListProperty<HL7Message> messages = new SimpleListProperty<>(FXCollections.observableArrayList());
 
     /**
      * The view that is mantained by this controller
@@ -64,8 +64,11 @@ public class MessageController {
      * @see de.uniluebeck.mi.projmi6.controller.MessageListController
      */
     private void showMessageList() {
+        //Load the window content from FXML
         FXMLLoader fxmlLoader = new FXMLLoader();
         fxmlLoader.setLocation(getClass().getClassLoader().getResource("message_list.fxml"));
+
+        //Non-empty constructor of the controller class
         MessageListController messageListController = new MessageListController(messages, mainController);
         fxmlLoader.setControllerFactory(clazz -> messageListController);
 
@@ -77,6 +80,7 @@ public class MessageController {
             return;
         }
 
+        //Create stage and open window.
         Stage stage = new Stage();
 
         stage.setTitle("Neue HL7-Nachrichten");
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageListController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageListController.java
index c989ce6..5be2020 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageListController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/MessageListController.java
@@ -17,7 +17,6 @@ import javafx.stage.Stage;
  * @author  Johannes
  */
 public class MessageListController {
-
     private final SimpleListProperty<HL7Message> messages;
     private final MainController mainController;
     @FXML
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/PatientTablesController.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/PatientTablesController.java
index 135d59c..da4b8e8 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/PatientTablesController.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/PatientTablesController.java
@@ -76,6 +76,7 @@ public class PatientTablesController {
     private ObservableList<StationsUebersichtsItem> stationsUebersicht = FXCollections.observableArrayList();
     private FilteredList<StationsUebersichtsItem> stationsUebersichtsItemFilteredList = new FilteredList<StationsUebersichtsItem>(stationsUebersicht,
             item -> item.getStationEntlassung() == null || item.getStationEntlassung().isAfter(LocalDate.now()));
+
     private Task loadStationsHistorieTask = null;
     private Task loadPatientTask = null;
     private ObjectBinding<Patient> patientObjectBinding = null;
@@ -88,6 +89,9 @@ public class PatientTablesController {
         this.mainController = mainController;
     }
 
+    /**
+     * Getter for the TabPane that contains patient and hospital ward overview tabs.
+     */
     public TabPane getPatientOverviewTabPane() {
         return patientOverviewTabPane;
     }
@@ -288,11 +292,17 @@ public class PatientTablesController {
         thread.start();
     }
 
+    /**
+     * EventHandler for {@link #btnStatRefresh}
+     */
     @FXML
     private void clickedRefreshStation() {
         updateStationsHistorieFromDb();
     }
 
+    /**
+     * Updates the hospital ward history for the currently selected hospital ward.
+     */
     public void updateStationsHistorieFromDb() {
         if (this.loadStationsHistorieTask != null) {
             loadStationsHistorieTask.cancel();
@@ -348,15 +358,25 @@ public class PatientTablesController {
         thread.start();
     }
 
+    /**
+     * EventHandler for the {@link #btnPatRefresh}
+     */
     @FXML
     private void clickedRefreshPatient() {
         updatePatientsFromDb();
     }
 
+    /**
+     * A property for the currently selected patient. Depends on the currently visible tab.
+     */
     public ObjectBinding<Patient> selectedPatientProperty() {
         return patientObjectBinding;
     }
 
+
+    /**
+     * Getter for the {@link #selectedPatientProperty()}
+     */
     public Patient getSelectedPatient() {
         return selectedPatientProperty().get();
     }
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/controller/package-info.java b/src/main/java/de/uniluebeck/mi/projmi6/controller/package-info.java
index 849297c..7488ddc 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/controller/package-info.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/controller/package-info.java
@@ -1,4 +1,24 @@
 /**
- * Controller Klassen
+ * This package contains the FXML Controller classes.
+ *
+ * There is the {@link de.uniluebeck.mi.projmi6.controller.MainController}, that creates instances of these nested controller classes:
+ * <ul>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.DiagnoseController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.FallController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.LogController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.PatientTablesController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.MessageController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.SettingsController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.StationsHistorieController}</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.UntersuchungenController}</li>
+ * </ul>
+ * The main controller has an {@link de.uniluebeck.mi.projmi6.controller.MainController#getControllerFactory()} for
+ * the FXMLLoader.
+ *
+ * There are also two other controller classes, that aren't directly maintained by the FXMLLoader
+ * <ul>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.PatientEditorController} for the edit/create patient window</li>
+ *     <li>{@link de.uniluebeck.mi.projmi6.controller.MessageListController} for the window of unseen HL7 messages</li>
+ * </ul>
  */
 package de.uniluebeck.mi.projmi6.controller;
\ No newline at end of file
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/model/package-info.java b/src/main/java/de/uniluebeck/mi/projmi6/model/package-info.java
index ec8a0c6..13e430e 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/model/package-info.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/model/package-info.java
@@ -1,4 +1,5 @@
 /**
- * Model Klassen.
+ * Model classes.
+ * In this project we use a relative flat object structure, that correlate directly with the db table columns.
  */
 package de.uniluebeck.mi.projmi6.model;
\ No newline at end of file
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/view/DateTimePicker.java b/src/main/java/de/uniluebeck/mi/projmi6/view/DateTimePicker.java
index 3f46822..d52d706 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/view/DateTimePicker.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/view/DateTimePicker.java
@@ -37,6 +37,31 @@ public class DateTimePicker extends HBox {
      */
     public DateTimePicker() {
         this.setAlignment(Pos.CENTER_LEFT);
+
+        HBox timePicker = initTimePicker();
+
+        //Set Now-Button action
+        btnNow.setOnAction(event -> setToCurrentDateTime());
+        //Make it large enough to read the text
+        btnNow.setMinWidth(50);
+        btnNow.getStyleClass().add("now-button");
+
+        //Jetzt-Button nimmt keine Platz ein wenn View deaktiviert:
+        btnNow.managedProperty().bind(this.disabledProperty().not());
+
+
+        //Add the subcomponents to the view.
+        this.getChildren().addAll(datePicker, timePicker, btnNow);
+
+
+        this.setSpacing(5);
+    }
+
+
+    /**
+     * Inits the timepicker, which is composed from an HBox and two textfields
+     */
+    private HBox initTimePicker(){
         hourText.setOnKeyReleased(event -> {
             if (hourText.getCaretPosition() >= 2) {
                 int hour = Integer.parseInt(hourText.getText());
@@ -48,11 +73,13 @@ public class DateTimePicker extends HBox {
         hourText.setAlignment(Pos.CENTER_RIGHT);
         hourText.setBackground(null);
         hourText.setPadding(Insets.EMPTY);
-        hourText.setPromptText("HH");
+        hourText.promptTextProperty().bind(Bindings.createStringBinding(
+                ()->this.isDisabled()?"":"HH", this.disabledProperty()));
         HBox.setHgrow(hourText, Priority.ALWAYS);
         minuteText.setBackground(null);
         minuteText.setPadding(Insets.EMPTY);
-        minuteText.setPromptText("MM");
+        minuteText.promptTextProperty().bind(Bindings.createStringBinding(
+                ()->this.isDisabled()?"":"MM", this.disabledProperty()));
         HBox.setHgrow(minuteText, Priority.ALWAYS);
 
         hourText.effectProperty().bind(Bindings.<Effect>createObjectBinding(() -> {
@@ -81,7 +108,12 @@ public class DateTimePicker extends HBox {
             return invalidValue;
         }, minuteText.textProperty()));
         Label colon = new Label(":");
-
+        colon.visibleProperty().bind(Bindings.createBooleanBinding(()->{
+            if(this.isDisabled() && (minuteText.getText()==null || minuteText.getText().isEmpty())){
+                return false;
+            }
+            return true;
+        },this.disabledProperty(), minuteText.textProperty()));
         HBox timePicker = new HBox(hourText, colon, minuteText);
         timePicker.maxHeightProperty().bind(datePicker.heightProperty());
         timePicker.getStyleClass().add("time-picker");
@@ -89,20 +121,7 @@ public class DateTimePicker extends HBox {
         timePicker.setMaxWidth(80);
         timePicker.getStyleClass().add("button");
 
-        //Set Now-Button action
-        btnNow.setOnAction(event -> setToCurrentDateTime());
-        //Make it large enough to read the text
-        btnNow.setMinWidth(50);
-        btnNow.getStyleClass().add("now-button");
-
-        btnNow.managedProperty().bind(this.disabledProperty().not());
-
-
-        //Add the subcomponents to the view.
-        this.getChildren().addAll(datePicker, timePicker, btnNow);
-
-
-        this.setSpacing(5);
+        return timePicker;
     }
 
     /**
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/view/package-info.java b/src/main/java/de/uniluebeck/mi/projmi6/view/package-info.java
index 7c7efbd..4213237 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/view/package-info.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/view/package-info.java
@@ -1,4 +1,4 @@
 /**
- * View Klassen.
+ * The custom view classes.
  */
 package de.uniluebeck.mi.projmi6.view;
\ No newline at end of file
diff --git a/src/main/resources/style.css b/src/main/resources/style.css
index f229b45..3ec7759 100644
--- a/src/main/resources/style.css
+++ b/src/main/resources/style.css
@@ -61,3 +61,9 @@ DateTimePicker .text-field {
     visibility: hidden;
 }
 
+.fields:disabled .check-box {
+    -fx-opacity: 0;
+}
+.fiels:disabled .check-box:selected{
+    -fx-opacity: 1;
+}