Sample code
<article class="beefup is-open">
<h3 class="beefup__head"> </h3>
<div class="beefup__body"> </div>
</article>
<article class="beefup">
<h3 class="beefup__head"> </h3>
<div class="beefup__body"> </div>
</article>
<article class="beefup">
<h3 class="beefup__head"> </h3>
<div class="beefup__body"> </div>
</article>
<article class="beefup">
<h3 class="beefup__head"> </h3>
<div class="beefup__body"> </div>
</article> FYI – if you have messy HTML code then use website https://www.striphtml.com/ to clean unwanted HTML