updated contact element

Author: Developer09264

index.html

@@ -38,10 +38,10 @@ <h2>所有田语</h2>
     </div>
     <div id="footer">
         <p>
-            powered by <a href="https://github.com/Developer09264">c09264</a>
-        </p>
+            powered by <a href="https://github.com/Developer09264">c09264</a></p>
         <p>
-            contact me: c09264@outlook.com
+            contact me:
+        <address>c09264@outlook.com</address>
         </p>
     </div>
     <button id="back-to-top">↑</button>