Adding style.css

src/main/java/sbu/javafx/MusicApp.java

@@ -16,6 +16,9 @@ public class MusicApp extends Application {
         Scene scene = new Scene(fxmlLoader.load());
         stage.setTitle("Music Player");
         stage.setScene(scene);
+        scene.getStylesheets().add(
+                MusicApp.class.getResource("style.css").toExternalForm()
+        );
         //TODO: add icon to the stage
         stage.show();
     }