public/index.html

@@ -44,12 +44,15 @@
     <canvas id="pile-canvas"></canvas>
     <div class="bg-vignette"></div>
 
+    <!-- Flexbox wrapper handles centering; animation lives on inner frame -->
+    <div class="main-frame-wrapper">
       <div id="main-frame" class="main-frame">
         <div class="frame-border">
           <img id="main-photo" class="frame-media" alt="">
           <video id="main-video" class="frame-media" muted playsinline style="display:none"></video>
         </div>
       </div>
+    </div>
 
     <div id="overlay" class="overlay">
       <div class="overlay-top-right">