private void initGraphics() {
        green = new Region();
        green.getStyleClass().setAll("green");

        yellow = new Region();
        yellow.getStyleClass().setAll("yellow");

        red = new Region();
        red.getStyleClass().setAll("red");

        rack = new Region();
        rack.getStyleClass().setAll("rack");

        bodyDropShadow = new DropShadow(BlurType.TWO_PASS_BOX, Color.web("0x000000a6"), 0.0133333333 * PREFERRED_WIDTH, 1.0, 0d, 2d);

        bodyInnerShadow = new InnerShadow(BlurType.TWO_PASS_BOX, Color.web("0x000000a6"), 0.0133333333 * PREFERRED_WIDTH, 1.0, 1.4142135623730951, 1.4142135623730951);
        bodyInnerShadow.setInput(bodyDropShadow);

        body = new Region();
        body.getStyleClass().setAll("body");
        body.setEffect(bodyInnerShadow);

        roof = new Region();
        roof.getStyleClass().setAll("roof");

        pane = new Pane();
        pane.getChildren().setAll(green,
                                  yellow,
                                  red,
                                  rack,
                                  body,
                                  roof);

        getChildren().setAll(pane);
        resize();
    }