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Bootstrap 5 Images


Documentation and examples for opting images into responsive behavior and add lightweight styles to them using CSS classes.

Responsive images

Images in 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="...">
<img src="..." class="rounded mx-auto d-block" alt="...">
<div class="text-center">
  <img src="..." class="rounded" alt="...">


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.

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