JavaFX menu fxml file

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

<?import javafx.geometry.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.text.*?>

<StackPane prefHeight="470" prefWidth="470" style="-fx-background-color: cab577;" xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.example.menu.HelloController">
    <VBox alignment="CENTER" maxHeight="400" maxWidth="400" spacing="20.0" style="-fx-background-color: white;">
        <padding>
            <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
        </padding>

        <Label fx:id="welcomeText" text="NotRealBattleRoyale">
            <font>
                <Font name="Press Start 2P Regular" size="18.0" />
            </font>
        </Label>
        <HBox prefHeight="38.0" prefWidth="342.0">
            <children>
                <Label text="Username">
                    <font>
                        <Font name="Press Start 2P Regular" size="14.0" />
                    </font>
                    <padding>
                        <Insets left="10.0" right="50.0" top="10.0" />
                    </padding>
                </Label>
                <TextField>
                    <HBox.margin>
                        <Insets top="5.0" />
                    </HBox.margin>
                </TextField>
            </children>
        </HBox>
        <HBox layoutX="30.0" layoutY="70.0" prefHeight="47.0" prefWidth="342.0">
            <children>
                <Label text="Server IP">
                    <font>
                        <Font name="Press Start 2P Regular" size="14.0" />
                    </font>
                    <padding>
                        <Insets left="10.0" right="35.0" top="5.0" />
                    </padding>
                </Label>
                <TextField>
                    <HBox.margin>
                        <Insets />
                    </HBox.margin>
                </TextField>
            </children>
        </HBox>
        <Button mnemonicParsing="false" prefHeight="34.0" prefWidth="248.0" style="-fx-background-color: b1cbbb;" text="Play">
            <font>
                <Font name="Press Start 2P Regular" size="19.0" />
            </font>
            <VBox.margin>
                <Insets bottom="30.0" />
            </VBox.margin>
        </Button>
        <Button mnemonicParsing="false" prefHeight="34.0" prefWidth="245.0" style="-fx-background-color: eea29a;" text="Exit">
            <font>
                <Font name="Press Start 2P Regular" size="19.0" />
            </font>
        </Button>
    </VBox>
</StackPane>