diff --git a/12/blank.html b/12/blank.html
index 1a4735f..08bc622 100644
--- a/12/blank.html
+++ b/12/blank.html
@@ -1,3 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+  
+  		<style> 
+  
+  		#demo {
+    
+    	text-align: center;
+    
+  		}
+  
+		</style> 
+
+  
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title>Title of this page</title>
+</head>
+<body>
+
+  
+
 <!-- Display the countdown timer in an element -->
 <p id="demo"></p>
 
@@ -30,4 +53,8 @@ var x = setInterval(function() {
     document.getElementById("demo").innerHTML = "EXPIRED";
   }
 }, 1000);
-</script>
\ No newline at end of file
+</script>
+  
+  
+  </body>
+</html>
\ No newline at end of file
