diff --git a/index.html b/index.html
index 92c2abc..8992189 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,37 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>HTML/CSS Fundamentals</title>
-<link rel="stylesheet" href="/styles.css" />
+
+    <!-- This is a link tag for external CSS -->
+    <link rel="stylesheet" href="/styles.css" />
+
+    <!-- This is a style tag for internal CSS, for styling specific elements directly in this file -->
+    <style>
+      /* CSS for different heading levels */
+      h1 {
+        color: red;
+      }
+
+      h2 {
+        color: blue;
+      }
+
+      h3 {
+        color: green;
+      }
+
+      h4 {
+        color: yellow;
+      }
+
+      h5 {
+        color: orange;
+      }
+
+      h6 {
+        color: purple;
+      }
+    </style>
   </head>
   <body>
     <div class="wrapper">
