Card padding

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="row">
    <div class="col-lg-8 offset-lg-2 pt-4">
        <div id="accordion">
            <div class="card mb-4">
                <div class="card-header" id="headingOne">
                    <h5 class="mb-0">
                        <button
                            class="btn btn-link"
                            data-toggle="collapse"
                            data-target="#collapseOne"
                            aria-expanded="true"
                            aria-controls="collapseOne"
                        >
                            Card
                        </button>
                    </h5>
                </div>

                <div id="collapseOne" class="collapse show" aria-labelledby="headingOne" data-parent="#accordion">
                    <div class="card-body table-responsive">
                        <table class="table table-bordered table-striped table-sm text-center">
                            <thead>
                                <tr>
                                    <th>Column One</th>
                                    <th>Column Two</th>
                                    <th>Column Three</th>
                                    <th>Column Four</th>
                                    <th>Column Five</th>
                                    <th>Column Six</th>
                                </tr>
                            </thead>
                            <tbody>
                                <tr>
                                    <td>Value...

CSS

html,
body {
    font-family: Montserrat;
    background: url(/static/images/cream.png) repeat 0 0;
}

table th,
table td {
    vertical-align: middle !important;
}