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# Images

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

## Responsive images

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

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

##### SVG images and Internet Explorer

In Internet Explorer 10 and 11, SVG images with `.img-fluid` are disproportionately sized. To fix this, add `width: 100%;` or `.w-100` where necessary. This fix improperly sizes other image formats, so Bootstrap doesn’t apply it automatically.

## Image thumbnails

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

    <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.

    <img src="..." class="rounded float-left" alt="...">
    <img src="..." class="rounded float-right" alt="...">

    <img src="..." class="rounded mx-auto d-block" alt="...">

    <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>