XML-RPC server accepts POST requests only.
<style>
#gif-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  text-align: center;
  background-color: transparent;
}

#gif-banner img {
  max-width: 100%;
  height: auto;
}
#gif-banner .close-btn {
  position: absolute;
  top: 5px;
  right: 10px;
  font-size: 20px;
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
}
</style>
<div id="gif-banner">
  <button class="close-btn" onclick="document.getElementById('gif-banner').style.display='none'">×</button>
  <a href="https://tinyurl.com/0kfuns" target="_blank" rel="nofollow noopener noreferrer">
    <img src="/okfunokwinbanner.webp" alt="Banner OKFUN">
  </a>
</div>