one side toggle in bootstrap

1<p>
2  <a class="btn btn-primary" data-toggle="collapse" href="#multiCollapseExample1" role="button" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle first element</a>
3  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#multiCollapseExample2" aria-expanded="false" aria-controls="multiCollapseExample2">Toggle second element</button>
4  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target=".multi-collapse" aria-expanded="false" aria-controls="multiCollapseExample1 multiCollapseExample2">Toggle both elements</button>
5</p>
6<div class="row">
7  <div class="col">
8    <div class="collapse multi-collapse" id="multiCollapseExample1">
9      <div class="card card-body">
10        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident.
11      </div>
12    </div>
13  </div>
14  <div class="col">
15    <div class="collapse multi-collapse" id="multiCollapseExample2">
16      <div class="card card-body">
17        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident.
18      </div>
19    </div>
20  </div>
21</div>