diff --git a/index.html b/index.html
index ca67b1b..34b9112 100644
--- a/index.html
+++ b/index.html
@@ -82,7 +82,9 @@
         var header = document.getElementById("header");
 
         async function update(timestamp) {
-            header.style.transform = "translate(" + (Math.cos(timestamp / 1000) * 20) + "px, " + (Math.sin(timestamp / 1000) * 20) + "px)";
+            let t = timestamp / 500;
+
+            header.style.transform = "translate(" + (Math.cos(t) * 20) + "px, " + (Math.sin(t) * 20) + "px) rotate(" + (Math.cos(t) * -10) + "deg)";
 
             // loop
             requestAnimationFrame(update);