private Node createBackground(Scene scene) {
// application area
Rectangle applicationArea =
RectangleBuilder.create()
.arcWidth(20)
.arcHeight(20)
.fill(Color.rgb(0, 0, 0, .80))
.x(0)
.y(0)
.strokeWidth(2)
.stroke(Color.rgb(255, 255, 255, .70))
.build();
applicationArea.widthProperty().bind(scene.widthProperty());
applicationArea.heightProperty().bind(scene.heightProperty());
return applicationArea;
}
