diff --git a/lib/pixi/button.html b/lib/pixi/button.html
index e9fa2d1..1b113bc 100644
--- a/lib/pixi/button.html
+++ b/lib/pixi/button.html
@@ -269,3 +269,4 @@ app.scene.addChild(button14, button15, button16, button17)
 app.scene.addChild(button18, button19, button20, button21)
     </script>
 </body>
+</html>
\ No newline at end of file