The collapse JavaScript plugin is used to show and hide content. Buttons or anchors are used as triggers that are mapped to specific elements you toggle. Collapsing an element will animate the height from its current value to 0. Given how CSS handles animations, you cannot use padding on a .collapse element. Instead, use the class as an independent wrapping element.

Learn more about this component on bootstrap's official documentation.

Basic example

The most basic example of cards with enforced width

Click the buttons below to show or hide elements using class changes:

  • .collapse hides content
  • .collapsing is applied during transitions
  • .collapse.show reveals content

You can use a link with the href attribute or a button with the data-bs-target attribute. In both cases, data-bs-toggle="collapse" is required.

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Multiple Targets

A <button> or <a> can toggle multiple elements by referencing them with a selector in its href or data-bs-target attribute. Multiple <button> or <a> elements can control the same element if they each reference it with href or data-bs-target.

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.
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.

Accordion example

Add navigation to a card’s header (or body) using Bootstrap's built-in nav components. You can show or hide elements when a .collapse state changes using the .collapse-reveal and .collapse-hidden classes.

Ensure that the .collapse-* classes are placed inside the element with data-bs-toggle="collapse" or adjacent to it for proper functionality.

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