<style>
  .duyuru {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    animation: marquee 10s infinite linear;
  }

  @keyframes marquee {
    0% {
      transform: translateX(100%);
    }
    100% {
      transform: translateX(-100%);
    }
  }
</style>

<div class="duyuru">
  <img src="resim/duyuru.gif" width="50px" height="50px"> &nbsp; <strong>İNDİRİM: &nbsp;</strong>
  <br>
  <?php
  $duyurular = $vt->query("select * from duyurular Order By id DESC")->fetchAll(PDO::FETCH_ASSOC);

  foreach ($duyurular as $duyuru) {
    $duyuruFonks = 'fireSweetdetayduy' . $duyuru['id'];
  ?>

    <button style="font-size:12px;" onclick="<?php echo $duyuruFonks; ?>()" class="btn btn-info btn-sm">
      <?php echo $duyuru["duybaslik"]; ?>
    </button>

  <?php } ?>
</div>