modify texts

src/main/resources/lab/GameWindow.fxml

 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.geometry.Insets?>
 <?import javafx.scene.canvas.Canvas?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.Slider?>
@@ -11,11 +12,14 @@
       <Canvas fx:id="canvas" height="600.0" width="800.0" BorderPane.alignment="CENTER" />
    </center>
    <bottom>
-      <HBox BorderPane.alignment="CENTER">
+      <HBox alignment="CENTER" BorderPane.alignment="CENTER">
          <children>
-            <Slider HBox.hgrow="ALWAYS" />
-            <Button mnemonicParsing="false" onAction="#onFire" prefHeight="25.0" text="Fire" HBox.hgrow="ALWAYS" />
-            <Slider fx:id="forceSlider" max="5.0" min="1.0" HBox.hgrow="ALWAYS" />
+            <Slider showTickLabels="true" showTickMarks="true" HBox.hgrow="ALWAYS" />
+            <Button mnemonicParsing="false" onAction="#onFire" text="Fire" HBox.hgrow="ALWAYS">
+               <HBox.margin>
+                  <Insets left="10.0" right="10.0" />
+               </HBox.margin></Button>
+            <Slider fx:id="forceSlider" blockIncrement="1.0" majorTickUnit="1.0" max="10.0" minorTickCount="1" showTickLabels="true" showTickMarks="true" value="1.0" HBox.hgrow="ALWAYS" />
          </children>
       </HBox>
    </bottom>