<div class="media">  <img src="..." class="mr-3" alt="...">  <div class="media-body">    <h5 class="mt-0">Media heading</h5>    Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi vulputate fringilla. Donec lacinia congue felis in faucibus.  </div></div>

<div class="media">  <img src="..." class="mr-3" alt="...">  <div class="media-body">    <h5 class="mt-0">Media heading</h5>    Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi vulputate fringilla. Donec lacinia congue felis in faucibus.    <div class="media mt-3">      <a class="mr-3" href="#">        <img src="..." class="mr-3" alt="...">      </a>      <div class="media-body">        <h5 class="mt-0">Media heading</h5>        Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin. Cras purus odio, vestibulum in vulputate at, tempus viverra turpis. Fusce condimentum nunc ac nisi vulputate fringilla. Donec lacinia congue felis in faucibus.      </div>    </div>  </div></div>

<div class="media">  <figure class="avatar mr-3">    <span class="avatar-title bg-danger rounded-circle">l</span>  </figure>  <div class="media-body">    <h5 class="mt-0">Media heading</h5>    Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin.    <div class="media mt-3 mb-3">      <a class="mr-3" href="#">        <figure class="avatar">          <span class="avatar-title bg-success rounded-circle">K</span>        </figure>      </a>      <div class="media-body">        <h5 class="mt-0">Media heading</h5>        Cras sit amet nibh libero, in gravida nulla.      </div>    </div>  </div></div><div class="media">  <figure class="avatar mr-3">    <img src="avatar.jpg" class="rounded-circle" alt="image">      </figure>    <div class="media-body">      <h5 class="mt-0">Media heading</h5>      Cras sit amet nibh libero, in gravida nulla. Nulla vel metus scelerisque ante sollicitudin.    </div></div>

<div class="media">  <img src="image.jpg" class="align-self-start mr-3" alt="image">    <div class="media-body">      <h5 class="mt-0">Top-aligned media</h5>      <p>Cras sit amet nibh libero, in gravida nulla.</p>    </div></div>

<div class="media">  <img src="image.jpg" class="align-self-center mr-3" alt="image">    <div class="media-body">      <h5 class="mt-0">Center-aligned media</h5>      <p>Cras sit amet nibh libero, in gravida nulla.</p>    </div></div>

<div class="media">  <img src="image.jpg" class="align-self-end mr-3" alt="image">    <div class="media-body">      <h5 class="mt-0">Bottom-aligned media</h5>      <p>Cras sit amet nibh libero, in gravida nulla.</p>    </div></div>

<div class="media">  <div class="media-body">    <h5 class="mt-0 mb-1">Media object</h5>    <p>Cras sit amet nibh libero, in gravida nulla.</p>  </div>  <img src="image.jpg" class="ml-3" alt="image"></div>