fix theme ordering

Assets/Loader.cs

@@ -9,15 +9,14 @@ using UnityEngine;
 
 
 public class Loader : MonoBehaviour {
-    public KeyCode NextButton = KeyCode.Space;
-    public KeyCode PrevButton = KeyCode.Return;
-    public KeyCode MenuButton = KeyCode.Escape;
-
     public Text currentVis;
     public Canvas vfxMenu;
 
     private static bool menuVisible;
     private Scene scene;
+    private KeyCode NextButton = KeyCode.Space;
+    private KeyCode PrevButton = KeyCode.Backspace;
+    private KeyCode MenuButton = KeyCode.Escape;
 
     void Awake() {
         ToggleMenu(menuVisible);
@@ -34,7 +33,7 @@ public class Loader : MonoBehaviour {
             NextScene();
         }
 
-        if (Input.GetKeyDown(NextButton)) {
+        if (Input.GetKeyDown(PrevButton)) {
             PrevScene();
         }