bootstrap collapse
<p>
<a
class="btn btn-primary"
data-bs-toggle="collapse"
href="#multiCollapseExample1"
role="button"
aria-expanded="false"
aria-controls="multiCollapseExample1"
>Toggle first element</a
>
<button
class="btn btn-primary"
type="button"
data-bs-toggle="collapse"
data-bs-target="#multiCollapseExample2"
aria-expanded="false"
aria-controls="multiCollapseExample2"
>
Toggle second element
</button>
<button
class="btn btn-primary"
type="button"
data-bs-toggle="collapse"
data-bs-target=".multi-collapse"
aria-expanded="false"
aria-controls="multiCollapseExample1 multiCollapseExample2"
>
Toggle both elements
</button>
</p>
<div class="row">
<div class="col">
<div class="collapse multi-collapse" id="multiCollapseExample1">
<div class="card card-body">
Some placeholder content for the first collapse component of this
multi-collapse example. This panel is hidden by default but revealed
when the user activates the relevant trigger.
</div>
</div>
</div>
<div class="col">
<div class="collapse multi-collapse" id="multiCollapseExample2">
<div class="card card-body">
Some placeholder content for the second collapse component of this
multi-collapse example. This panel is hidden by default but revealed
when the user activates the relevant trigger.
</div>
</div>
</div>
</div>