Hide battle speaker label with display:none instead of removing it

index.html

@@ -138,6 +138,7 @@
       </div>
     </div>
     <div class="dialog-box battle-dialog">
+      <div class="dialog-speaker" id="battle-speaker" style="display:none">PROFESSOR OAK</div>
       
       <div class="dialog-text" id="battle-text"></div>
       <div class="dialog-arrow blink" id="battle-arrow" style="display:none">▼</div>