diff --git a/index.html b/index.html
index 3cde2ab..71e9255 100644
--- a/index.html
+++ b/index.html
@@ -36,7 +36,7 @@
 <!--insert shadertoy background-->
 <!--https://www.shadertoy.com/embed/wttfW2?gui=&t=10&paused=false&muted=false-->
 
-<!--
+
 <div id="divbg">
 <iframe id="bg" width="640" height="360" frameborder="0" src="https://www.shadertoy.com/embed/WldfWX?gui=&paused=false&muted=false" ></iframe>
 <script>
@@ -48,7 +48,7 @@ document.getElementById("bg").removeAttribute("tabIndex");
 document.getElementById("divbg").removeAttribute("tabIndex");
 </script>
 </div>
--->
+
 
 <div id="tetris">
 	<canvas id="scene"></canvas>