Edit in JSFiddle

<!-- Page Content -->
<div class="container">

  <!-- Page Heading -->
  <h1 class="my-4">Page Heading
    <small>Secondary Text</small>
  </h1>

  <div class="row">
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project One</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam viverra euismod odio, gravida pellentesque urna varius vitae.</p>
        </div>
      </div>
    </div>
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project Two</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit aliquam aperiam nulla perferendis dolor nobis numquam, rem expedita, aliquid optio, alias illum eaque. Non magni, voluptates quae, necessitatibus unde temporibus.</p>
        </div>
      </div>
    </div>
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project Three</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam viverra euismod odio, gravida pellentesque urna varius vitae.</p>
        </div>
      </div>
    </div>
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project Four</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit aliquam aperiam nulla perferendis dolor nobis numquam, rem expedita, aliquid optio, alias illum eaque. Non magni, voluptates quae, necessitatibus unde temporibus.</p>
        </div>
      </div>
    </div>
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project Five</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam viverra euismod odio, gravida pellentesque urna varius vitae.</p>
        </div>
      </div>
    </div>
    <div class="col-lg-6 mb-4">
      <div class="card h-100">
        <a href="#"><img class="card-img-top" src="http://placehold.it/700x400" alt=""></a>
        <div class="card-body">
          <h4 class="card-title">
            <a href="#">Project Six</a>
          </h4>
          <p class="card-text">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Fugit aliquam aperiam nulla perferendis dolor nobis numquam, rem expedita, aliquid optio, alias illum eaque. Non magni, voluptates quae, necessitatibus unde temporibus.</p>
        </div>
      </div>
    </div>
  </div>
  <!-- /.row -->

  <!-- Pagination -->
  <ul class="pagination justify-content-center">
    <li class="page-item">
      <a class="page-link" href="#" aria-label="Previous">
            <span aria-hidden="true">&laquo;</span>
            <span class="sr-only">Previous</span>
          </a>
    </li>
    <li class="page-item">
      <a class="page-link" href="#">1</a>
    </li>
    <li class="page-item">
      <a class="page-link" href="#">2</a>
    </li>
    <li class="page-item">
      <a class="page-link" href="#">3</a>
    </li>
    <li class="page-item">
      <a class="page-link" href="#" aria-label="Next">
            <span aria-hidden="true">&raquo;</span>
            <span class="sr-only">Next</span>
          </a>
    </li>
  </ul>

</div>
<!-- /.container -->

              

              

External resources loaded into this fiddle: