import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.GridPane; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.text.Font; import javafx.scene.text.FontWeight; […]