diff --git a/public/image/thankyou_kong.jpg b/public/image/thankyou_kong.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..401a6729b8b4a211b96954f736503a795af5c4bb
Binary files /dev/null and b/public/image/thankyou_kong.jpg differ
diff --git a/public/index.html b/public/index.html
index 6652c7dd60ad34f6d80148f3c8e6876702d19854..f96695ce2c1417081d1cbff6d5fa40365adf88d8 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3,21 +3,36 @@
   <head>
     <meta charset="utf-8">
     <meta name="generator" content="GitLab Pages">
-    <title>Plain HTML site using GitLab Pages</title>
+    <title>HTML/CSS Practice Homepage</title>
     <link rel="stylesheet" href="style.css">
   </head>
   <body>
-    <div class="navbar">
-      <a href="https://pages.gitlab.io/plain-html/">Plain HTML Example</a>
-      <a href="https://gitlab.com/pages/plain-html/">Repository</a>
-      <a href="https://gitlab.com/pages/">Other Examples</a>
-    </div>
+    <img src = "image/thankyou_kong.jpg", alt="GamSaKong", width="360", height="360">
 
-    <h1>Hello World!</h1>
+    <h1>Kwak Dong Jun</h1>
+    <h2>Department : software</h2>
+    <h3>ID : 201920783</h3>
+    <h4>Birth : 2000/06/30</h4>
+    <h5>interests :</h5>
 
-    <p>
-      This is a simple plain-HTML website on GitLab Pages, without any fancy static site generator.
-    </p>
+    <ol type="1">
+      <li>game
+        <ul>
+          <li>Lost Ark</li>
+          <li>League of Legend</li>
+          <li>Valorant</li>
+        </ul>
+      </li>
+      <li>watching Twitch/Youtube</li>
+      <li>drink soju</li>
+    </ol>
+
+    <p>here's the my friend's link</p>
+    <a href="http://unidev.ajousw.kr/jiheon-choi/">Choi Ji Heon</a>
+    <a href="http://sunje105.ajousw.kr/sunje_homepage/">Lee Sun Je</a>
+    <a href="http://minsol_choo.ajousw.kr/practical_coding_1_html/">Choo Min Sol</a>
+
+    <h6>The End</h6>
   </body>
 </html>
 
diff --git a/public/style.css b/public/style.css
index 3eae4084bda0c2270306b14ac8c1ca732415edc3..30000388c6a6ad6012d4cc8cc40e0f88f60fffb5 100644
--- a/public/style.css
+++ b/public/style.css
@@ -2,6 +2,7 @@ body {
   font-family: sans-serif;
   margin: auto;
   max-width: 1280px;
+  text-align: center;
 }
 
 .navbar {