Chatto-Desktop-ScalaFX/src/main/resources/fxml/UserBox.fxml

<?xml version="1.0" encoding="UTF-8" ?>

<?import java.net.URL ?>
<?import javafx.scene.control.Label ?>
<?import javafx.scene.control.RadioButton ?>
<?import javafx.scene.layout.VBox ?>

<!-- fx:controller="com.example.javafx.control.UserBox" -->

<fx:root prefHeight="65.0" styleClass="btn, btn-primary, user-box" type="VBox" xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1">
   <children>
      <!-- <Label fx:id="nameLabel" id="nameLabel" text="John Doe" /> -->
      <RadioButton fx:id="_userRadioButton" mnemonicParsing="false" styleClass="h1, user-radio, lead" text="John Doe Radio" />
      <Label fx:id="_messageLabel" styleClass="messageLabel, lbl" text="Hey there, how are you?" />
   </children>
   <stylesheets>
      <URL value="@../styles/userbox.css" />
      <URL value="@../styles/bootstrapfx.css" />
   </stylesheets>
</fx:root>