This pattern is only available on an Academic Homepage template in OmniUpdate. It’s edited with page params.
The Announcements Feed uses the callout component but includes a .tcu-callout__header header.
<div class="tcu-callout tcu-announcements">
<div class="tcu-callout__inner">
<div class="tcu-callout__content">
<h2>Announcements</h2>
<p class='tcu-sub-head'>Department of Biology</p>
<h2 class='h3'>Biology Website</h2>
<div>
<p>The Biology website is being updated and revisions will be complete by August 1st.</p>
</div>
<p><a class='button' href='/biology/student-experience/announcements.php'>View All Announcements</a></p>
</div>
</div>
</div>