ction class="event">
  <div class="row">
    <div class="col-lg-10 col-lg-offset-1">
      <div class="row">
        <div class="col-sm-8 col-sm-push-4">
          <div class="embed-responsive embed-responsive-16by9">
            <picture class="embed-responsive-item">
              <source type="image/webp" srcset="/dist/docs/hp-2019/images/opendays-768.webp">
              <img src="/dist/docs/hp-2019/images/opendays-768.jpg" alt="An open day helper" loading="lazy" />
            </picture>
          </di