go.dev/layouts/shortcodes/mediaListItem.html

<li class="MediaList-item">
  <img class="MediaList-itemImage" src="{{.Get "img-src"}}" alt="{{.Get "img-alt"}}">
  <h3 class="MediaList-itemTitle">{{.Get "title"}}</h3>
  <p class="MediaList-itemBody">{{.Inner | markdownify -}}</p>
</li>