diff --git a/audio-video/index.html b/audio-video/index.html
index 8b424ab..63153ef 100644
--- a/audio-video/index.html
+++ b/audio-video/index.html
@@ -1,44 +1,31 @@
-<!-- https://github.com/atapas/html-tips-tricks/pull/9 -->
 <!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8" />
-    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
-    <title>HTML Tips and Tricks - Datalist Tag</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
-    <link
-      href="https://fonts.googleapis.com/css2?family=Chilanka&display=swap"
-      rel="stylesheet"
-    />
-    <link
-      rel="stylesheet"
-      type="text/css"
-      media="screen"
-      href="./src/styles.css"
-    />
-  </head>
+<html lang="en">
 
-  <body>
-    <div class="demo">
-         <a href="../index.html" class="home">
-          <img src="../home.svg" alt="home" />
-        </a>
-      <h1>Audio Tag</h1>
-      <audio controls>
-        <source
-          src="https://sample-videos.com/audio/mp3/crowd-cheering.mp3"
-          type="audio/mp3"
-        />
-        Your browser does not support the audio element.
-      </audio>
-      <h1>Video Tag</h1>
-      <video width="300" height="200" controls>
-        <source
-          src="https://download.samplelib.com/mp4/sample-5s.mp4"
-          type="video/mp4"
-        />
-        Your browser does not support the video element.
-      </video>
-    </div>
-  </body>
-</html>
+<head>
+  <meta charset="utf-8" />
+  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+  <title>HTML Tips and Tricks - Datalist Tag</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <link href="https://fonts.googleapis.com/css2?family=Chilanka&display=swap" rel="stylesheet" />
+  <link rel="stylesheet" type="text/css" media="screen" href="../main.css" />
+</head>
+
+<body>
+  <div class="demo">
+    <a href="../index.html" class="home">
+      <img src="../home.svg" alt="home" />
+    </a>
+    <h1>Audio Tag</h1>
+    <audio controls>
+      <source src="https://sample-videos.com/audio/mp3/crowd-cheering.mp3" type="audio/mp3" />
+      Your browser does not support the audio element.
+    </audio>
+    <h1>Video Tag</h1>
+    <video width="300" height="200" controls>
+      <source src="https://download.samplelib.com/mp4/sample-5s.mp4" type="video/mp4" />
+      Your browser does not support the video element.
+    </video>
+  </div>
+</body>
+
+</html>
\ No newline at end of file
