Collapse

<p>
    <a class="btn btn-primary" data-toggle="collapse" href="#collapseExample">Link with href</a>
    <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample">Button with data-target</button>
</p>

<div class="collapse" id="collapseExample">
    <div class="card card-body">
        Lorem ipsum dolor sit amet, consectetur adipisicing elit. Iste, ipsam. Alias unde praesentium dolorem repellat quasi dolore, ex rerum odio!
    </div>
</div>

<p>
    <a class="btn btn-primary" data-toggle="collapse" href="#multiCollapseExample1">Toggle first element</a>
    <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#multiCollapseExample2" >Toggle second element</button>
    <button class="btn btn-primary" type="button" data-toggle="collapse" data-target=".multi-collapse">Toggle both elements</button>
</p>

<div class="row">
    <div class="col">
        <div class="collapse multi-collapse" id="multiCollapseExample1">
            <div class="card card-body">
                Lorem ipsum dolor sit amet consectetur, adipisicing elit. Minima delectus blanditiis sit veritatis explicabo possimus amet asperiores illo corrupti suscipit!
            </div>
        </div>
    </div>
    <div class="col">
        <div class="collapse multi-collapse" id="multiCollapseExample2">
            <div class="card card-body">
                At consectetur blanditiis iusto nostrum odit dicta molestias illo iste nam voluptates, nihil alias modi quaerat temporibus deserunt sequi. Repellat culpa nisi. 
            </div>
        </div>
    </div>
</div>

<div class="accordion" id="accordionExample">
    <div class="card">
        <div class="card-header" id="headingOne">
            <h2 class="mb-0">
                <button class="btn btn-link" type="button" data-toggle="collapse" data-target="#collapseOne">
                    Collapsible Group Item #1
                </button>
            </h2>
        </div>
        <div id="collapseOne" class="collapse show" data-parent="#accordionExample">
            <div class="card-body">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
            </div>
        </div>
    </div>
	
    <div class="card">
        <div class="card-header" id="headingTwo">
            <h2 class="mb-0">
                <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseTwo">
                    Collapsible Group Item #2
                </button>
            </h2>
        </div>
        <div id="collapseTwo" class="collapse" data-parent="#accordionExample">
            <div class="card-body">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
            </div>
        </div>
    </div>
	
    <div class="card">
        <div class="card-header" id="headingThree">
            <h2 class="mb-0">
                <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseThree">
                    Collapsible Group Item #3
                </button>
            </h2>
        </div>
        <div id="collapseThree" class="collapse" data-parent="#accordionExample">
            <div class="card-body">
                Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
            </div>
        </div>
    </div>
</div>