div

by urtdr

HTML

<script src="https://code.jquery.com/jquery-3.4.1.slim.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css">
<div class="container-fluid">
    <div class="row">
        <div class="col col-md-auto card">
            <div class="row card-deck mt-2">
                <div class="col-12 col-md-4 col-lg-2 card">1</div>
                <div class="col-12 col-md-4 col-lg-2 card">2</div>
                <div class="col-12 col-md-4 col-lg-2 card">3</div>
            </div>
        </div>
    </div>
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}