Login Form using GridPane

import javafx.application.Application;
import javafx.geometry.HPos;
import javafx.geometry.Pos;
import javafx.geometry.VPos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

/**
 *
 * @author toffe boy Aamir
 */
public class GridPaneEx extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {

        //the layout
        GridPane rootLayout = new GridPane();

        //a little makeup
        rootLayout.setVgap(8);//sets the Vertical   Gap in between the Nodes
        rootLayout.setHgap(8);//sets the Horizontal Gap in between the Nodes
        rootLayout.setStyle("-fx-background-color:DAE6F3;"
                + "-fx-font-size:20;"
                + "-fx-font-family: 'verdana';"
                + "-fx-padding: 10;");//Styling with inlline CSS

        //the Components
        Label name = new Label("Name");
        TextField nameInput = new TextField();



        Label pass = new Label("Password");
        PasswordField passInput = new PasswordField();

        Button loginBtn = new Button("Login");

        Label msg = new Label();
        msg.setTextFill(Color.RED);


        //positioning
        GridPane.setConstraints(name, 0, 0);//set name label to Column 1 , Row 1
        GridPane.setConstraints(nameInput, 1, 0);//set name field to Column 1, Row 2
        GridPane.setConstraints(pass, 0, 1);//set paasword label to Column 2, Row 1
        GridPane.setConstraints(passInput, 1, 1);//set password field to Column 2 , Row 2
        GridPane.setConstraints(loginBtn, 1, 2, 1, 1, HPos.RIGHT, VPos.BOTTOM);//set the login button to Coulmn 3, Row 2 and align it to Right Side
        rootLayout.add(msg, 1, 3);//another and common way of Positioning

        //Bind all together
        rootLayout.getChildren().addAll(name, nameInput, pass, passInput, loginBtn);

        //Some action
        loginBtn.setOnAction(e -> msg.setText("Please Wait..."));

//        rootLayout.setGridLinesVisible(true);
        rootLayout.setAlignment(Pos.CENTER);

        //lets Show off
        primaryStage.setTitle("Log me in");
        primaryStage.setScene(new Scene(rootLayout,640,480));
        primaryStage.show();


    }
    //...  Mr. main
    public static void main(String[] args) {
        //Entry point for JavaFX Thread...
        launch(args);
    }
}