added and option to swap between css files in the title pane

#pair[zwu18, hba56]
#story[1087]

racevisionGame/src/main/java/visualiser/Controllers/MainController.java

@@ -73,6 +73,11 @@ public class MainController extends Controller {
      */
     public void hostGame(){ hostController.hostGame(); }
 
+    /**
+     * Sets up the css for the start of the program
+     */
+    public void startCss(){titleController.setDayMode();}
+
     /**
      * Main Controller for the applications will house the menu and the displayed pane.
      *

racevisionGame/src/main/java/visualiser/Controllers/TitleController.java

@@ -5,6 +5,7 @@ import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
+import javafx.scene.control.RadioButton;
 import javafx.scene.image.Image;
 import javafx.scene.layout.AnchorPane;
 import javafx.stage.Stage;
@@ -24,6 +25,10 @@ public class TitleController extends Controller {
     Button btnJoin;
     @FXML
     AnchorPane titleWrapper;
+    @FXML
+    RadioButton dayModeRD;
+    @FXML
+    RadioButton nightModeRD;
 
     /**
      * Method called when the 'host a game' button is pressed.
@@ -50,6 +55,18 @@ public class TitleController extends Controller {
         parent.enterLobby();
     }
 
+    public void setDayMode(){
+        dayModeRD.getScene().getStylesheets().clear();
+        dayModeRD.getScene().getStylesheets().add("/css/dayMode.css");
+        nightModeRD.setSelected(false);
+    }
+
+    public void setNightMode(){
+        nightModeRD.getScene().getStylesheets().clear();
+        nightModeRD.getScene().getStylesheets().add("/css/nightMode.css");
+        dayModeRD.setSelected(false);
+    }
+
     @Override
     public void initialize(URL location, ResourceBundle resources) {