Bootstrap Carousel

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<ol class="carousel-indicators">
    <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
    <li data-target="#carousel-example-generic" data-slide-to="1"></li>
    <li data-target="#carousel-example-generic" data-slide-to="2"></li>
  </ol>

  <!-- Wrapper for slides -->
  <div class="carousel-inner" role="listbox">
    <div class="item active">
      <div class="carousel-img" style="background-image: url('http://lorempixel.com/1200/500/')"></div>
      <div class="carousel-caption">
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
      </div>
    </div>
    <div class="item">
      <div class="carousel-img" style="background-image: url('http://lorempixel.com/1200/500/')"></div>
      <div class="carousel-caption">
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
      </div>
    </div>
  </div>

  <!-- Controls -->
  <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
    <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
    <span class="sr-only">Previous</span>
  </a>
  <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
    <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
    <span class="sr-only">Next</span>
  </a>
</div>

CSS

.carousel-img {
  width: 100%;
  height: 400px;
  background-size: cover;
}