Markup: components/news-teaser/news-teaser.twig
<article class="article-teaser">
  <a href="#" class="article-teaser__link">
    <div class="article-teaser__image">
      <picture>
        <img property="schema:image" class="media__image media__element b-lazy b-responsive b-loaded" src="/images/news-default-img.jpg" alt="" typeof="foaf:Image">
      </picture>
    </div>
    <div class="article-teaser__content-wrapper">
      <div class="article-teaser__content">
        <span class="article-teaser__date">28 October 2017</span>
        <h2>News article title</h2>
      </div>
    </div>
  </a>
</article>
Source: _cr19-styleguide.scss, line 257