rewrite

@@ -23,6 +23,6 @@
 
 # Contact
 Joung Jiwon wjdwl001@khu.ac.kr instagram : esthevely <br>
-Han Seoheun <br>
+Han Seoheun gkstjgms34@khu.ac.kr<br>
 Park Jaeyoon qkrwodbsfjq@khu.ac.kr<br>
  

@@ -108,7 +108,7 @@
             </div>
           </div>
           <div class="container button-field">
-            <button class="button_calculate" type="button">계산하기
+            <button class="button_calculate" type="button" onclick="semester();return false;">계산하기
             </button>
           </div>
         </div>
@@ -282,7 +282,7 @@ function updateBtn() {
           <span id = "salary">?</span>원<br>
           <span id = "dish">?</span>그릇<br>
           <span id = "everest">?</span>번이나...<br>
-          <span id = "earth">?</span>바퀴나 돌아요<br>
+          <span id = "earth">?</span>바퀴나 돌아요<br><br><br>
         </div>
       </div>
     </div>