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64 lines
3.6 KiB
Markdown
64 lines
3.6 KiB
Markdown
---
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layout: docs
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title: Object fit
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description: Use the object fit utilities to modify how the content of a [replaced element](https://developer.mozilla.org/en-US/docs/Web/CSS/Replaced_element), such as an `<img>` or `<video>`, should be resized to fit its container.
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group: utilities
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toc: true
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---
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## How it works
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Change the value of the [`object-fit` property](https://developer.mozilla.org/en-US/docs/Web/CSS/object-fit) with our responsive `object-fit` utility classes. This property tells the content to fill the parent container in a variety of ways, such as preserving the aspect ratio or stretching to take up as much space as possible.
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Classes for the value of `object-fit` are named using the format `.object-fit-{value}`. Choose from the following values:
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- `contain`
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- `cover`
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- `fill`
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- `scale` (for scale-down)
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- `none`
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## Examples
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Add the `object-fit-{value}` class to the [replaced element](https://developer.mozilla.org/en-US/docs/Web/CSS/Replaced_element):
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{{< example class="d-flex overflow-auto" >}}
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{{< placeholder width="140" height="120" class="object-fit-contain border rounded" text="Object fit contain" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="120" class="object-fit-cover border rounded" text="Object fit cover" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="120" class="object-fit-fill border rounded" text="Object fit fill" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="120" class="object-fit-scale border rounded" text="Object fit scale down" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="120" class="object-fit-none border rounded" text="Object fit none" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< /example >}}
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## Responsive
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Responsive variations also exist for each `object-fit` value using the format `.object-fit-{breakpoint}-{value}`, for the following breakpoint abbreviations: `sm`, `md`, `lg`, `xl`, and `xxl`. Classes can be combined for various effects as you need.
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{{< example class="d-flex overflow-auto" >}}
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{{< placeholder width="140" height="80" class="object-fit-sm-contain border rounded" text="Contain on sm" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="80" class="object-fit-md-contain border rounded" text="Contain on md" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="80" class="object-fit-lg-contain border rounded" text="Contain on lg" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="80" class="object-fit-xl-contain border rounded" text="Contain on xl" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< placeholder width="140" height="80" class="object-fit-xxl-contain border rounded" text="Contain on xxl" markup="img" color="#868e96" background="#dee2e6" >}}
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{{< /example >}}
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## Video
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The `.object-fit-{value}` and responsive `.object-fit-{breakpoint}-{value}` utilities also work on `<video>` elements.
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```html
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<video src="..." class="object-fit-contain" autoplay></video>
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<video src="..." class="object-fit-cover" autoplay></video>
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<video src="..." class="object-fit-fill" autoplay></video>
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<video src="..." class="object-fit-scale" autoplay></video>
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<video src="..." class="object-fit-none" autoplay></video>
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```
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## CSS
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### Sass utilities API
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Object fit utilities are declared in our utilities API in `scss/_utilities.scss`. [Learn how to use the utilities API.]({{< docsref "/utilities/api#using-the-api" >}})
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{{< scss-docs name="utils-object-fit" file="scss/_utilities.scss" >}}
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