modified some style

public/index.html

@@ -13,8 +13,8 @@
       <a href="https://gitlab.com/pages/">Other Examples</a>
     </div>
 
-    <div style="text-align: center;">
-      <img src = "image/thankyou_kong.jpg", alt="GamSaKong", width="360", height="360">
+    <div class="centerImage">
+      <img src = "image/thankyou_kong.jpg", alt="GamSaKong">
     </div>
   
     <h1>Kwak Dong Jun</h1>
@@ -36,9 +36,11 @@
     </ol>
 
     <p>here's the my friend's link</p>
-    <p class="link1"><a href="http://unidev.ajousw.kr/jiheon-choi/">Choi Ji Heon</a></p>
-    <p class="link2"><a href="http://sunje105.ajousw.kr/sunje_homepage/">Lee Sun Je</a></p>
-    <p class="link3"><a href="http://minsol_choo.ajousw.kr/practical_coding_1_html/">Choo Min Sol</a></p>
+    <div class="linkColor">
+    <p><a href="http://unidev.ajousw.kr/jiheon-choi/">Choi Ji Heon</a></p>
+    <p><a href="http://sunje105.ajousw.kr/sunje_homepage/">Lee Sun Je</a></p>
+    <p><a href="http://minsol_choo.ajousw.kr/practical_coding_1_html/">Choo Min Sol</a></p>
+    </div>
 
     <h6>The End</h6>
   </body>

public/style.css

@@ -22,20 +22,14 @@ body {
   color: #ffffff;
 }
 
-p.link1{
-  font-size: medium;
-  font-style: italic;
-  background-color: aqua;
-}
-
-p.link2{
-  font-size: medium;
-  font-style: italic;
-  background-color: aquamarine;
+.centerImage {
+  text-align: center;
+  width: 360px;
+  height: 360px;
 }
 
-p.link3{
+.linkColor{
   font-size: medium;
   font-style: italic;
-  background-color: antiquewhite;
+  background-color: aqua;
 }
\ No newline at end of file