Collapse

Basic Collapse

A button element, or <a> when clicked, collapses or expands a content area.

Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.

HTML Code for this Element

<p class="d-md-flex d-inline-grid gap-2">
    <a class="btn btn-primary" data-bs-toggle="collapse" href="#collapseExample" role="button" aria-expanded="false" aria-controls="collapseExample">
        Link with href
    </a>
    <button class="btn btn-primary" type="button" data-bs-toggle="collapse" data-bs-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
        Button with data-bs-target
    </button>
</p>
<div class="collapse pt-2" id="collapseExample">
    <div class="card card-body bg-success-subtle">
      Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
    </div>
</div>

Multiple Toggles and Targets

Add data-bs-target to a button or a to target a .collapse via selector.

Toggle first element

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.

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.

HTML Code for this Element

<p class="d-md-flex d-inline-grid gap-2">
    <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 pt-2">
    <div class="col">
        <div class="collapse multi-collapse" id="multiCollapseExample1">
            <div class="card card-body bg-warning-subtle">
            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 bg-info-subtle">
            	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>

Horizontal Collapse

Add the .collapse-horizontal modifier class to transition the width instead of height.

This is some placeholder content for a horizontal collapse. It's hidden by default and shown when triggered.

HTML Code for this Element

<p>
    <button class="btn btn-primary" type="button" data-bs-toggle="collapse" data-bs-target="#collapseWidthExample" aria-expanded="false" aria-controls="collapseWidthExample">
      Toggle width collapse
    </button>
</p>
<div style="min-height: 120px;">
    <div class="collapse collapse-horizontal pt-2" id="collapseWidthExample">
      <div class="card card-body bg-warning-subtle" style="width: 240px;">
        This is some placeholder content for a horizontal collapse. It's hidden by default and shown when triggered.
      </div>
    </div>
</div>