Update index.html

index.html

@@ -17,11 +17,13 @@
 			</p>
 		</div>
           <script>
-            (function () {
-                          const header = document.querySelector("header");
-            header.style.display = "none";
-            alert("Hiding")
-            })();
+            function hideHeader () {
+              const header = document.querySelector("header");
+              header.style.display = "none";
+              alert("Hiding")
+            }
+
+              setTimeout(hideHeader, 2000)
 
           </script>
 	</body>