Support CoreUI Development

CoreUI is an MIT-licensed open source project and is completely free to use. However, the amount of effort needed to maintain and develop new features for the project is not sustainable without proper financial backing.

You can support our Open Source software development in the following ways:

  • Buy the CoreUI PRO, and get access to PRO components, and dedicated support.
  • Became a sponsor, and get your logo on BACKERS.md/README.md files or each site of this documentation
  • Give us a star ⭐️ on Github.

Images

Documentation and examples for opting images into responsive behavior (so they never become wider than their parent) and add lightweight styles to them—all via classes.

Responsive images

Images in CoreUI for Bootstrap are made responsive with .img-fluid. This applies max-width: 100%; and height: auto; to the image so that it scales with the parent element.

PlaceholderResponsive image
<img src="..." class="img-fluid" alt="...">

Image thumbnails

In addition to our border-radius utilities, you can use .img-thumbnail to give an image a rounded 1px border appearance.

A generic square placeholder image with a white border around it, making it resemble a photograph taken with an old instant camera200x200
<img src="..." class="img-thumbnail" alt="...">

Aligning images

Align images with the helper float classes or text alignment classes. block-level images can be centered using the .mx-auto margin utility class.

Placeholder200x200 Placeholder200x200
<img src="..." class="rounded float-start" alt="...">
<img src="..." class="rounded float-end" alt="...">
Placeholder200x200
<img src="..." class="rounded mx-auto d-block" alt="...">
Placeholder200x200
<div class="text-center">
  <img src="..." class="rounded" alt="...">
</div>

Picture

If you are using the <picture> element to specify multiple <source> elements for a specific <img>, make sure to add the .img-* classes to the <img> and not to the <picture> tag.

<picture>
  <source srcset="..." type="image/svg+xml">
  <img src="..." class="img-fluid img-thumbnail" alt="...">
</picture>

Customization

SASS

Variables

Variables are available for image thumbnails.

$thumbnail-padding:                 .25rem;
$thumbnail-bg:                      $body-bg;
$thumbnail-border-width:            $border-width;
$thumbnail-border-color:            var(--cui-border-color);
$thumbnail-border-radius:           $border-radius;
$thumbnail-box-shadow:              $box-shadow-sm;