Cards

Boosted Innovation Cup’s cards provide a flexible and extensible content container with multiple variants and options.

On this page

About

A card is a flexible and extensible content container. It includes options for headers and footers, a wide variety of content, contextual background colors, and powerful display options.

Example

Cards are built with as little markup and styles as possible, but still manage to deliver a ton of control and customization. Built with flexbox, they offer easy alignment and mix well with other Boosted Innovation Cup components. They have no margin by default, so use spacing utilities as needed.

Below is an example of a basic card with mixed content and a fixed width. Cards have no fixed width to start, so they’ll naturally fill the full width of its parent element. This is easily customized with our various sizing options.

Card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Go somewhere

html

<div class="card" style="width: 18rem;">
  <img src="..." class="card-img-top" alt="...">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Content types

Cards support a wide variety of content, including images, text, list groups, links, and more. Below are examples of what’s supported.

Body

The building block of a card is the .card-body. Use it whenever you need a padded section within a card.

This is some text within a card body.

html

<div class="card">
  <div class="card-body">
    This is some text within a card body.
  </div>
</div>

Titles, text, and links

Card titles are used by adding .card-title to a <h*> tag. In the same way, links are added and placed next to each other by adding .card-link to an <a> tag.

Subtitles are used by adding a .card-subtitle to a <h*> tag. If the .card-title and the .card-subtitle items are placed in a .card-body item, the card title and subtitle are aligned nicely.

Card title

Card subtitle

Some quick example text to build on the card title and make up the bulk of the card's content.

Card link Another link

html

<div class="card" style="width: 18rem;">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <h6 class="card-subtitle mb-2 text-muted">Card subtitle</h6>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
    <a href="#" class="card-link">Card link</a>
    <a href="#" class="card-link">Another link</a>
  </div>
</div>

Images

.card-img-top places an image to the top of the card. With .card-text, text can be added to the card. Text within .card-text can also be styled with the standard HTML tags.

Some quick example text to build on the card title and make up the bulk of the card's content.

html

<div class="card" style="width: 18rem;">
  <img src="..." class="card-img-top" alt="...">
  <div class="card-body">
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>

List groups

Create lists of content in a card with a flush list group.

An item
A second item
A third item

html

<div class="card" style="width: 18rem;">
  <ul class="list-group list-group-flush">
    <li class="list-group-item">An item</li>
    <li class="list-group-item">A second item</li>
    <li class="list-group-item">A third item</li>
  </ul>
</div>

Featured

An item
A second item
A third item

html

<div class="card" style="width: 18rem;">
  <div class="card-header">
    Featured
  </div>
  <ul class="list-group list-group-flush">
    <li class="list-group-item">An item</li>
    <li class="list-group-item">A second item</li>
    <li class="list-group-item">A third item</li>
  </ul>
</div>

An item
A second item
A third item

Card footer

html

<div class="card" style="width: 18rem;">
  <ul class="list-group list-group-flush">
    <li class="list-group-item">An item</li>
    <li class="list-group-item">A second item</li>
    <li class="list-group-item">A third item</li>
  </ul>
  <div class="card-footer">
    Card footer
  </div>
</div>

Kitchen sink

Mix and match multiple content types to create the card you need, or throw everything in there. Shown below are image styles, blocks, text styles, and a list group—all wrapped in a fixed-width card.

Card title

Some quick example text to build on the card title and make up the bulk of the card's content.

An item
A second item
A third item

Card link Another link

html

<div class="card" style="width: 18rem;">
  <img src="..." class="card-img-top" alt="...">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
  <ul class="list-group list-group-flush">
    <li class="list-group-item">An item</li>
    <li class="list-group-item">A second item</li>
    <li class="list-group-item">A third item</li>
  </ul>
  <div class="card-body">
    <a href="#" class="card-link">Card link</a>
    <a href="#" class="card-link">Another link</a>
  </div>
</div>

Header and footer

Add an optional header and/or footer within a card.

Featured

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card">
  <div class="card-header">
    Featured
  </div>
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Card headers can be styled by adding .card-header to <h*> elements.

Featured

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card">
  <h5 class="card-header">Featured</h5>
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Quote

A well-known quote, contained in a blockquote element.

Someone famous in Source Title

html

<div class="card">
  <div class="card-header">
    Quote
  </div>
  <div class="card-body">
    <blockquote class="blockquote mb-0">
      <p>A well-known quote, contained in a blockquote element.</p>
      <footer class="blockquote-footer">Someone famous in <cite title="Source Title">Source Title</cite></footer>
    </blockquote>
  </div>
</div>

Featured

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

2 days ago

html

<div class="card text-center">
  <div class="card-header">
    Featured
  </div>
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
  <div class="card-footer">
    2 days ago
  </div>
</div>

Sizing

Cards assume no specific width to start, so they’ll be 100% wide unless otherwise stated. You can change this as needed with custom CSS, grid classes, grid Sass mixins, or utilities.

Using grid markup

Using the grid, wrap cards in columns and rows as needed.

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="row">
  <div class="col-sm-6">
    <div class="card">
      <div class="card-body">
        <h5 class="card-title">Special title treatment</h5>
        <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
      </div>
    </div>
  </div>
  <div class="col-sm-6">
    <div class="card">
      <div class="card-body">
        <h5 class="card-title">Special title treatment</h5>
        <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
        <a href="#" class="btn btn-primary">Go somewhere</a>
      </div>
    </div>
  </div>
</div>

Using utilities

Use our handful of available sizing utilities to quickly set a card’s width.

Card title

With supporting text below as a natural lead-in to additional content.

Button

Card title

With supporting text below as a natural lead-in to additional content.

Button

html

<div class="card w-75">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Button</a>
  </div>
</div>

<div class="card w-50">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Button</a>
  </div>
</div>

Using custom CSS

Use custom CSS in your stylesheets or as inline styles to set a width.

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card" style="width: 18rem;">
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Text alignment

You can quickly change the text alignment of any card—in its entirety or specific parts—with our text align classes.

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card" style="width: 18rem;">
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

<div class="card text-center" style="width: 18rem;">
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

<div class="card text-end" style="width: 18rem;">
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Add some navigation to a card’s header (or block) with Boosted Innovation Cup’s nav components.

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card text-center">
  <div class="card-header bg-white">
    <ul class="nav nav-tabs card-header-tabs">
      <li class="nav-item">
        <a class="nav-link active" aria-current="true" href="#">Active</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Link</a>
      </li>
      <li class="nav-item">
        <a class="nav-link disabled" aria-disabled="true">Disabled</a>
      </li>
    </ul>
  </div>
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Special title treatment

With supporting text below as a natural lead-in to additional content.

Go somewhere

html

<div class="card text-center">
  <div class="card-header bg-white">
    <ul class="nav nav-pills card-header-pills">
      <li class="nav-item">
        <a class="nav-link active" href="#">Active</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">Link</a>
      </li>
      <li class="nav-item">
        <a class="nav-link disabled" aria-disabled="true">Disabled</a>
      </li>
    </ul>
  </div>
  <div class="card-body">
    <h5 class="card-title">Special title treatment</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Go somewhere</a>
  </div>
</div>

Images

Cards include a few options for working with images. Choose from appending “image caps” at either end of a card, overlaying images with card content, or simply embedding the image in a card.

Image caps

Similar to headers and footers, cards can include top and bottom “image caps”—images at the top or bottom of a card.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

html

<div class="card mb-3">
  <img src="..." class="card-img-top" alt="...">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
    <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
  </div>
</div>
<div class="card">
  <div class="card-body">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
    <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
  </div>
  <img src="..." class="card-img-bottom" alt="...">
</div>

Image overlays

Turn an image into a card background and overlay your card’s text. Depending on the image, you may or may not need additional styles or utilities.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

html

<div class="card text-bg-dark">
  <img src="..." class="card-img" alt="...">
  <div class="card-img-overlay">
    <h5 class="card-title">Card title</h5>
    <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
    <p class="card-text"><small>Last updated 3 mins ago</small></p>
  </div>
</div>

Note that content should not be larger than the height of the image. If content is larger than the image the content will be displayed outside the image.

Horizontal

Using a combination of grid and utility classes, cards can be made horizontal in a mobile-friendly and responsive way. In the example below, we remove the grid gutters with .g-0 and use .col-md-* classes to make the card horizontal at the md breakpoint. Further adjustments may be needed depending on your card content.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

html

<div class="card mb-3" style="max-width: 480px;">
  <div class="row g-0">
    <div class="col-md-4">
      <img src="..." class="img-fluid" alt="...">
    </div>
    <div class="col-md-8">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
        <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
      </div>
    </div>
  </div>
</div>

Card styles

Cards include various options for customizing their backgrounds, borders, and color.

Background and color

Set a background-color with contrasting foreground color with our .text-bg-{color} helpers. Previously it was required to manually pair your choice of .text-{color} and .bg-{color} utilities for styling, which you still may use if you prefer.

Header

Primary card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Secondary card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Success card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Danger card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Warning card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Info card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Light card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Dark card title

Some quick example text to build on the card title and make up the bulk of the card's content.

html

<div class="card text-bg-primary mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Primary card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-secondary mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Secondary card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-success mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Success card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-danger mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Danger card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-warning mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Warning card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-info mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Info card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-light mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Light card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card text-bg-dark mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Dark card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>

Conveying meaning to assistive technologies

Using color to add meaning only provides a visual indication, which will not be conveyed to users of assistive technologies – such as screen readers. Ensure that information denoted by the color is either obvious from the content itself (e.g. the visible text), or is included through alternative means, such as additional text hidden with the .visually-hidden class.

Border

Use border utilities to change just the border-color of a card. Note that you can put .text-{color} classes on the parent .card or a subset of the card’s contents as shown below.

Header

Primary card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Secondary card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Success card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Danger card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Warning card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Info card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Light card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Dark card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Header

Borderless card title

Some quick example text to build on the card title and make up the bulk of the card's content.

html

<div class="card border-primary mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Primary card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-secondary mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Secondary card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-success mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Success card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-danger mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Danger card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-warning mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Warning card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-info mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Info card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-light mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Light card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<div class="card border-dark mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Dark card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<!-- Boosted mod -->
<div class="card border-0 mb-3" style="max-width: 18rem;">
  <div class="card-header">Header</div>
  <div class="card-body">
    <h5 class="card-title">Borderless card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
</div>
<!-- End mod -->

Mixins utilities

You can also change the borders on the card header and footer as needed, and even remove their background-color with .bg-transparent.

Header

Success card title

Some quick example text to build on the card title and make up the bulk of the card's content.

Footer

html

<div class="card border-success mb-3" style="max-width: 18rem;">
  <div class="card-header bg-transparent border-success text-body">Header</div>
  <div class="card-body text-success">
    <h5 class="card-title">Success card title</h5>
    <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
  </div>
  <div class="card-footer bg-transparent border-success">Footer</div>
</div>

Card layout

In addition to styling the content within cards, Boosted Innovation Cup includes a few options for laying out series of cards. For the time being, these layout options are not yet responsive.

Card groups

Use card groups to render cards as a single, attached element with equal width and height columns. Card groups start off stacked and use display: flex; to become attached with uniform dimensions starting at the sm breakpoint.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

Card title

This card has supporting text below as a natural lead-in to additional content.

Last updated 3 mins ago

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.

Last updated 3 mins ago

html

<div class="card-group">
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
    </div>
  </div>
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
      <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
    </div>
  </div>
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
      <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
    </div>
  </div>
</div>

When using card groups with footers, their content will automatically line up.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

Card title

This card has supporting text below as a natural lead-in to additional content.

Last updated 3 mins ago

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.

Last updated 3 mins ago

html

<div class="card-group">
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
    </div>
    <div class="card-footer">
      <small>Last updated 3 mins ago</small>
    </div>
  </div>
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
    </div>
    <div class="card-footer">
      <small>Last updated 3 mins ago</small>
    </div>
  </div>
  <div class="card">
    <img src="..." class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">Card title</h5>
      <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
    </div>
    <div class="card-footer">
      <small>Last updated 3 mins ago</small>
    </div>
  </div>
</div>

Grid cards

Use the Boosted Innovation Cup grid system and its .row-cols classes to control how many grid columns (wrapped around your cards) you show per row. For example, here’s .row-cols-1 laying out the cards on one column, and .row-cols-md-2 splitting four cards to equal width across multiple rows, from the medium breakpoint up.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

html

<div class="row row-cols-1 row-cols-md-2 g-4">
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
</div>

Change it to .row-cols-3 and you’ll see the fourth card wrap.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

html

<div class="row row-cols-1 row-cols-md-3 g-4">
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
</div>

When you need equal height, add .h-100 to the cards. If you want equal heights by default, you can set $card-height: 100% in Sass.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Card title

This is a short card.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content.

Card title

This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

html

<div class="row row-cols-1 row-cols-md-3 g-4">
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a short card.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content.</p>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
    </div>
  </div>
</div>

Just like with card groups, card footers will automatically line up.

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.

Last updated 3 mins ago

Card title

This card has supporting text below as a natural lead-in to additional content.

Last updated 3 mins ago

Card title

This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.

Last updated 3 mins ago

html

<div class="row row-cols-1 row-cols-md-3 g-4">
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
      </div>
      <div class="card-footer">
        <small>Last updated 3 mins ago</small>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
      </div>
      <div class="card-footer">
        <small>Last updated 3 mins ago</small>
      </div>
    </div>
  </div>
  <div class="col">
    <div class="card h-100">
      <img src="..." class="card-img-top" alt="...">
      <div class="card-body">
        <h5 class="card-title">Card title</h5>
        <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
      </div>
      <div class="card-footer">
        <small>Last updated 3 mins ago</small>
      </div>
    </div>
  </div>
</div>

Masonry

If you want to have this type of layout, you can just make use of Masonry plugin. Masonry is not included in Boosted Innovation Cup, but we’ve made a demo example to help you get started.

CSS

Variables

As part of Boosted Innovation Cup’s evolving CSS variables approach, cards now use local CSS variables on .card for enhanced real-time customization. Values for the CSS variables are set via Sass, so Sass customization is still supported, too.

  --#{$prefix}card-spacer-y: #{$card-spacer-y};
  --#{$prefix}card-spacer-x: #{$card-spacer-x};
  --#{$prefix}card-title-spacer-y: #{$card-title-spacer-y};
  --#{$prefix}card-border-width: #{$card-border-width};
  --#{$prefix}card-border-color: #{$card-border-color};
  --#{$prefix}card-border-radius: #{$card-border-radius};
  --#{$prefix}card-box-shadow: #{$card-box-shadow};
  --#{$prefix}card-inner-border-radius: #{$card-inner-border-radius};
  --#{$prefix}card-cap-padding-y: #{$card-cap-padding-y};
  --#{$prefix}card-cap-padding-x: #{$card-cap-padding-x};
  --#{$prefix}card-cap-bg: #{$card-cap-bg};
  --#{$prefix}card-cap-color: #{$card-cap-color};
  --#{$prefix}card-cap-font-weight: #{$card-cap-font-weight}; // Boosted mod
  --#{$prefix}card-height: #{$card-height};
  --#{$prefix}card-color: #{$card-color};
  --#{$prefix}card-bg: #{$card-bg};
  --#{$prefix}card-img-overlay-padding: #{$card-img-overlay-padding};
  --#{$prefix}card-group-margin: #{$card-group-margin};
  --#{$prefix}card-footer-color: #{$card-footer-color};

Sass variables

$card-spacer-y:                     $spacer;
$card-spacer-x:                     $spacer;
$card-title-spacer-y:               $spacer * .5;
$card-border-width:                 $border-width;
$card-border-color:                 var(--#{$prefix}border-color-translucent);
$card-border-radius:                $border-radius;
$card-box-shadow:                   null;
$card-inner-border-radius:          subtract($card-border-radius, $card-border-width);
$card-cap-padding-y:                $card-spacer-y * .5;
$card-cap-padding-x:                $card-spacer-x;
$card-cap-bg:                       $black;
$card-cap-color:                    $white;
$card-cap-font-weight:              $font-weight-bold; // Boosted mod
$card-height:                       null;
$card-color:                        null;
$card-bg:                           $white;
$card-img-overlay-padding:          $spacer;
$card-group-margin:                 $grid-gutter-width * .5;
$card-footer-color:                 $gray-700; // Boosted mod

Cards

About

Example

Card title

Content types

Body

Titles, text, and links

Card title

Card subtitle

Images

List groups

Kitchen sink

Card title

Header and footer

Special title treatment

Featured

Special title treatment

Special title treatment

Sizing

Using grid markup

Special title treatment

Special title treatment

Using utilities

Card title

Card title

Using custom CSS

Special title treatment

Text alignment

Special title treatment

Special title treatment

Special title treatment

Navigation

Special title treatment

Special title treatment

Images

Image caps

Card title

Card title

Image overlays

Card title

Horizontal

Card title

Card styles

Background and color

Primary card title

Secondary card title

Success card title

Danger card title

Warning card title

Info card title

Light card title

Dark card title

Conveying meaning to assistive technologies

Border

Primary card title

Secondary card title

Success card title

Danger card title

Warning card title

Info card title

Light card title

Dark card title

Borderless card title

Mixins utilities

Success card title

Card layout

Card groups

Card title

Card title

Card title

Card title

Card title

Card title

Grid cards

Card title

Card title

Card title

Card title

Card title

Card title