<div class="row clearfix">
    <div class="col-12">
        <div class="accordion" id="">
            <div class="card">
                <div class="card-header" id="">
                    <h2 class="mb-0">
                        <button class="btn btn-link btn-block text-left" type="button" data-toggle="collapse"
                                data-target="" aria-expanded="true" aria-controls=""
                        >
                            Accordion Title 1
                        </button>
                    </h2>
                </div>

                <div id="" class="collapse show" aria-labelledby="" data-parent="">
                    <div class="card-body">
                        Some placeholder content for the first accordion panel. This panel is shown by default, thanks
                        to the <code>.show</code> class.
                    </div>
                </div>
            </div>
            <div class="card">
                <div class="card-header" id="">
                    <h2 class="mb-0">
                        <button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse"
                                data-target="" aria-expanded="false" aria-controls=""
                        >
                            Accordion Title 2
                        </button>
                    </h2>
                </div>
                <div id="" class="collapse" aria-labelledby="" data-parent="">
                    <div class="card-body">
                        Some placeholder content for the second accordion panel. This panel is hidden by default.
                    </div>
                </div>
            </div>
            <div class="card">
                <div class="card-header" id="">
                    <h2 class="mb-0">
                        <button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse"
                                data-target="" aria-expanded="false" aria-controls=""
                        >
                            Accordion Title 3
                        </button>
                    </h2>
                </div>
                <div id="" class="collapse" aria-labelledby="" data-parent="">
                    <div class="card-body">
                        And lastly, the placeholder content for the third and final accordion panel. This panel is
                        hidden by default.
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
