<!-- markdownlint-disable-file MD041 -->

<div class="warning" style="
  background-color: rgba(255,255,0,0.0625);
  border: solid yellow;  /* #FFFF00 */
  margin: 1em 0;
  padding: 1em 1em 0;
">
<header style="font-weight: bold; margin-bottom: 0.5em">⚠ Warning ⚠️</header>

content

</div>
