import javafx.application.Application;
import javafx.application.Platform;
import javafx.css.CssMetaData;
import javafx.css.StyleableProperty;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.stage.Stage;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.function.Consumer;
import java.util.function.Predicate;


public class ButtonTestBorder extends Application {


    private ScheduledExecutorService service = Executors.newScheduledThreadPool(1);

    @Override
    public void start(Stage stage) throws Exception {
        final VBox root = new VBox(20);
        root.getStyleClass().add("root");
        Scene scene = new Scene(root, 400, 500);
        scene.getStylesheets().add(getClass().getResource("custom_font.css").toExternalForm());
        Font.loadFont(getClass().getResourceAsStream("arialw7.ttf"), 12);

        Button b1 = new Button("First line\nSecond line\nThird line");
        b1.setStyle("-fx-border-color:red blue green black;-fx-border-width:2 5 7 10;-fx-border-style:dotted;");
        root.getChildren().addAll(new Button("First line\nSecond line\nThird line"), b1);


        service.schedule(new Runnable() {
            @Override
            public void run() {
                Platform.runLater(new Runnable() {
                    @Override
                    public void run() {
                        Button b2 = new Button("First line\nSecond line\nThird line");
                        root.getChildren().add(b2);
                    }
                });
            }
        }, 5, TimeUnit.SECONDS);

        service.schedule(new Runnable() {
            @Override
            public void run() {
                Platform.runLater(new Runnable() {
                    @Override
                    public void run() {
                        Button b2 = (Button) root.getChildren().get(2);
                        b2.setStyle("-fx-border-color:red blue green black;-fx-border-width:2 5 7 10;-fx-border-style:dotted;");
                    }
                });
            }
        }, 6, TimeUnit.SECONDS);
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}