Fix secondary avatar switching on profiles

sections/user/user.php

@@ -257,7 +257,7 @@ if ($Avatar && Users::has_avatars_enabled()) {
 ?>
     <div class="box box_image box_image_avatar">
       <div class="head colhead_dark">User</div>
-      <div align="center">
+      <div class="avatar" align="center">
 <?=        Users::show_avatar($Avatar, $UserID, $Username, $HeavyInfo['DisableAvatars'])?>
       </div>
     </div>