fix display errors

Public/festival/festival-en.html

@@ -39,6 +39,7 @@
             <div></div> <div></div> <div></div> <div></div> <div></div>
             <div></div> <div></div> <div></div> <div></div> <div></div>
         </div>
+        <div class="centering">
         <div class="texts" id="text-container">
             <div class="title-text">CC Festival</div>
             <div class="date-text normal-text">30 July 2022&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;2 pm</div>
@@ -65,6 +66,7 @@
             <div class="player-text" id="playing-text">Paul Kalkbrenner - Since 77</div>
             <div class="player-text" id="paused-text">Play music</div>
         </div>
+        </div>
     </div>
 </body>
 </html>