rssguard/resources/skins/plain/html_single_message.html

<div dir="auto">
  <h5>%1 <a href="%3">🔗URL</a> %6</h5>
  <div>
    <div style="text-align: center;">%2, %5</div>
    <div>%7</div>
    %4
  </div>
</div>