Utilities for overflow and object fit (#36848)
* Added "overflow-x" and "overflow-y" - Having the same properties as overflow but for just the x and y axises - Usecase being I want my y axis to be scrollable but not my x axis - E.g a card with a vertical list of items. * Added "object-fit" utilities - The CSS object-fit property is used to specify how an <img> or <video> should be resized to fit its container. - A responsive alternative to using background-img for a resizable fill/fit image. * Updated documantation for the overflow utilities - Now includes docs for `overflow-x` and `overflow-y` utilities * Placeholder shortcode updated - Can now choose to render an img tag or svg - The image contains a base64 svg generated within the template - example shortcode updated to detect, replace and render preview of 'img' tags as well * New documentaion for Object Fit added - Documentation added for the 'object-fit' util * Updated spell checks issues * Update object-fit.md * Update overflow.md * Update object-fit.md * Updated markup to address HTML Validation Errors - error: Bad value for attribute "src" on element "img": Illegal character in scheme data: space is not allowed. - info warning: Self-closing tag syntax in text/html documents is widely discouraged; it's unnecessary and interacts badly with other HTML features (e.g., unquoted attribute values). If you're using a tool that injects self-closing tag syntax into all void elements, without any option to prevent it from doing so, then consider switching to a different tool. * Updated Fix - Added Legibility to the img markup (example.html) - Fixed issue with example not working properly (because image closing tag no longer has "/>" ) * update values by step of 0.25 in bundlewatch.config The following values in .bundlewatch.config.json have been updated: - ./dist/css/bootstrap-utilities.css - ./dist/css/bootstrap-utilities.min.css - ./dist/css/bootstrap.css - ./dist/css/bootstrap.min.css Co-authored-by: Daniel O <dobiekwe@byteworks.com.ng> Co-authored-by: Mark Otto <otto@github.com>
This commit is contained in:
Daniel Raymond
GitHub
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},
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{
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"path": "./dist/css/bootstrap-utilities.css",
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"maxSize": "8.25 kB"
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"maxSize": "8.5 kB"
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},
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"path": "./dist/css/bootstrap-utilities.min.css",
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"maxSize": "7.75 kB"
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},
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{
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"path": "./dist/css/bootstrap.css",
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"maxSize": "29.25 kB"
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"maxSize": "29.5 kB"
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{
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"path": "./dist/css/bootstrap.min.css",
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"maxSize": "27.25 kB"
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"maxSize": "27.5 kB"
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},
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{
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"path": "./dist/js/bootstrap.bundle.js",
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@ -22,6 +22,20 @@ $utilities: map-merge(
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)
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),
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// scss-docs-end utils-float
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// Object Fit utilities
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// scss-docs-start utils-object-fit
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"object-fit": (
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responsive: true,
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property: object-fit,
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values: (
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contain: contain,
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cover: cover,
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fill: fill,
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scale: scale-down,
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none: none,
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)
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),
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// scss-docs-end utils-object-fit
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// Opacity utilities
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// scss-docs-start utils-opacity
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"opacity": (
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@ -40,6 +54,14 @@ $utilities: map-merge(
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property: overflow,
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values: auto hidden visible scroll,
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),
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"overflow-x": (
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property: overflow-x,
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values: auto hidden visible scroll,
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),
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"overflow-y": (
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property: overflow-y,
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values: auto hidden visible scroll,
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),
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// scss-docs-end utils-overflow
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// scss-docs-start utils-display
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"display": (
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@ -0,0 +1,61 @@
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---
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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" >}}
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{{< placeholder width="140" height="120" class="object-fit-cover border rounded" text="Object fit cover" markup="img" >}}
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{{< placeholder width="140" height="120" class="object-fit-fill border rounded" text="Object fit fill" markup="img" >}}
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{{< placeholder width="140" height="120" class="object-fit-scale border rounded" text="Object fit scale down" markup="img" >}}
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{{< placeholder width="140" height="120" class="object-fit-none border rounded" text="Object fit none" markup="img" >}}
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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" >}}
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{{< placeholder width="140" height="80" class="object-fit-md-contain border rounded" text="Contain on md" markup="img" >}}
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{{< placeholder width="140" height="80" class="object-fit-lg-contain border rounded" text="Contain on lg" markup="img" >}}
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{{< placeholder width="140" height="80" class="object-fit-xl-contain border rounded" text="Contain on xl" markup="img" >}}
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{{< placeholder width="140" height="80" class="object-fit-xxl-contain border rounded" text="Contain on xxl" markup="img" >}}
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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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## 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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@ -3,8 +3,11 @@ layout: docs
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title: Overflow
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description: Use these shorthand utilities for quickly configuring how content overflows an element.
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group: utilities
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toc: true
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---
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## Overflow
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Adjust the `overflow` property on the fly with four default values and classes. These classes are not responsive by default.
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<div class="bd-example d-md-flex">
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@ -29,6 +32,62 @@ Adjust the `overflow` property on the fly with four default values and classes.
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<div class="overflow-scroll">...</div>
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```
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### `overflow-x`
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Adjust the `overflow-x` property to affect the overflow of content horizontally.
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<div class="bd-example d-md-flex">
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<div class="overflow-x-auto p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px; white-space: nowrap;">
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<div><code>.overflow-x-auto</code> example on an element</div>
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<div> with set width and height dimensions.</div>
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</div>
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<div class="overflow-x-hidden p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px;white-space: nowrap;">
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<div><code>.overflow-x-hidden</code> example</div>
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<div>on an element with set width and height dimensions.</div>
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</div>
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<div class="overflow-x-visible p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px;white-space: nowrap;">
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<div><code>.overflow-x-visible</code> example </div>
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<div>on an element with set width and height dimensions.</div>
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</div>
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<div class="overflow-x-scroll p-3 bg-light w-100" style="max-width: 200px; max-height: 100px;white-space: nowrap;">
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<div><code>.overflow-x-scroll</code> example on an element</div>
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<div> with set width and height dimensions.</div>
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</div>
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</div>
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```html
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<div class="overflow-x-auto">...</div>
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<div class="overflow-x-hidden">...</div>
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<div class="overflow-x-visible">...</div>
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<div class="overflow-x-scroll">...</div>
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```
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### `overflow-y`
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Adjust the `overflow-y` property to affect the overflow of content vertically.
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<div class="bd-example d-md-flex">
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<div class="overflow-y-auto p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px;">
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<code>.overflow-y-auto</code> example on an element with set width and height dimensions.
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</div>
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<div class="overflow-y-hidden p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px;">
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<code>.overflow-y-hidden</code> example on an element with set width and height dimensions.
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</div>
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<div class="overflow-y-visible p-3 mb-3 mb-md-0 me-md-3 bg-light w-100" style="max-width: 200px; max-height: 100px;">
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<code>.overflow-y-visible</code> example on an element with set width and height dimensions.
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</div>
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<div class="overflow-y-scroll p-3 bg-light w-100" style="max-width: 200px; max-height: 100px;">
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<code>.overflow-y-scroll</code> example on an element with set width and height dimensions.
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</div>
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</div>
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```html
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<div class="overflow-y-auto">...</div>
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<div class="overflow-y-hidden">...</div>
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<div class="overflow-y-visible">...</div>
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<div class="overflow-y-scroll">...</div>
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```
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Using Sass variables, you may customize the overflow utilities by changing the `$overflows` variable in `_variables.scss`.
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## Sass
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- title: Flex
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- title: Float
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- title: Interactions
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- title: Object fit
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- title: Opacity
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- title: Overflow
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- title: Position
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{{- $show_markup := .Get "show_markup" | default true -}}
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{{- $show_preview := .Get "show_preview" | default true -}}
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{{- $input := .Inner -}}
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{{- $content := .Inner -}}
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<div class="bd-example-snippet bd-code-snippet">
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{{- if eq $show_preview true -}}
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</div>
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{{- end -}}
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{{- $content := replaceRE `<svg class="bd-placeholder-img(?:-lg)?(?: *?bd-placeholder-img-lg)? ?(.*?)".*?<\/svg>\n` `<img src="..." class="$1" alt="...">` $input -}}
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{{- $content = replaceRE `<svg class="bd-placeholder-img(?:-lg)?(?: *?bd-placeholder-img-lg)? ?(.*?)".*?<\/svg>` `<img src="..." class="$1" alt="...">` $content -}}
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{{- $content = replaceRE `<img class="bd-placeholder-img(?:-lg)?(?: *?bd-placeholder-img-lg)? ?(.*?)".*?>` `<img src="..." class="$1" alt="...">` $content -}}
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{{- $content = replaceRE ` (class=" *?")` "" $content -}}
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{{- highlight (trim $content "\n") $lang "" -}}
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{{- end -}}
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`args` are all optional and can be one of the following:
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* title: Used in the SVG `title` tag - default: "Placeholder"
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* text: The text to show in the image - default: "width x height"
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* class: Class to add to the `svg` - default: "bd-placeholder-img"
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* class: Class to add to the `svg` or `img` - default: "bd-placeholder-img"
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* color: The text color (foreground) - default: "#dee2e6"
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* background: The background color - default: "#868e96"
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* width: default: "100%"
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* height: default: "180px"
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* markup: If it should render `svg` or `img` tags - default: "svg"
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*/ -}}
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{{- $grays := $.Site.Data.grays -}}
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{{- $show_title := not (eq $title "false") -}}
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{{- $show_text := not (eq $text "false") -}}
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<svg class="bd-placeholder-img{{ with $class }} {{ . }}{{ end }}" width="{{ $width }}" height="{{ $height }}" xmlns="http://www.w3.org/2000/svg"{{ if (or $show_title $show_text) }} role="img" aria-label="{{ if $show_title }}{{ $title }}{{ if $show_text }}: {{ end }}{{ end }}{{ if ($show_text) }}{{ $text }}{{ end }}"{{ else }} aria-hidden="true"{{ end }} preserveAspectRatio="xMidYMid slice" focusable="false">
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{{- if $show_title }}<title>{{ $title }}</title>{{ end -}}
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<rect width="100%" height="100%" fill="{{ $background }}"/>
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{{- if $show_text }}<text x="50%" y="50%" fill="{{ $color }}" dy=".3em">{{ $text }}</text>{{ end -}}
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</svg>
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{{- $markup := .Get "markup" | default "svg" -}}
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{{- if eq $markup "img" -}}
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<img class="bd-placeholder-img{{ with $class }} {{ . }}{{ end }}" alt="{{ $title }} : {{ $text }}" width="{{ $width }}" height="{{ $height }}" src="data:image/svg+xml,%3Csvg%20style='font-size:%201.125rem;%20font-family:system-ui,-apple-system,%22Segoe%20UI%22,Roboto,%22Helvetica%20Neue%22,%22Noto%20Sans%22,%22Liberation%20Sans%22,Arial,sans-serif,%22Apple%20Color%20Emoji%22,%22Segoe%20UI%20Emoji%22,%22Segoe%20UI%20Symbol%22,%22Noto%20Color%20Emoji%22;%20-webkit-user-select:%20none;%20-moz-user-select:%20none;%20user-select:%20none;%20text-anchor:%20middle;'%20width='200'%20height='200'%20xmlns='http://www.w3.org/2000/svg'%3E
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{{- if $show_title }}%3Ctitle%3E{{ $title }}%3C/title%3E{{ end -}}
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%3Crect%20width='100%25'%20height='100%25'%20fill='%23dee2e6'%3E%3C/rect%3E
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{{- if $show_text }}%3Ctext%20x='50%25'%20y='50%25'%20fill='%23868e96'%20dy='.3em'%3E{{ $text }}%3C/text%3E{{ end -}}
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%3C/svg%3E">
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{{- else -}}
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<svg class="bd-placeholder-img{{ with $class }} {{ . }}{{ end }}" width="{{ $width }}" height="{{ $height }}" xmlns="http://www.w3.org/2000/svg"{{ if (or $show_title $show_text) }} role="img" aria-label="{{ if $show_title }}{{ $title }}{{ if $show_text }}: {{ end }}{{ end }}{{ if ($show_text) }}{{ $text }}{{ end }}"{{ else }} aria-hidden="true"{{ end }} preserveAspectRatio="xMidYMid slice" focusable="false">
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{{- if $show_title }}<title>{{ $title }}</title>{{ end -}}
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<rect width="100%" height="100%" fill="{{ $background }}"/>
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{{- if $show_text }}<text x="50%" y="50%" fill="{{ $color }}" dy=".3em">{{ $text }}</text>{{ end -}}
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</svg>
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{{- end -}}
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