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---
layout: docs
title: Shadows
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description: Add or remove shadows to elements with box-shadow utilities.
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group: utilities
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toc: true
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---
## Examples
While shadows on components are disabled by default in Bootstrap and can be enabled via `$enable-shadows` , you can also quickly add or remove a shadow with our `box-shadow` utility classes. Includes support for `.shadow-none` and three default sizes (which have associated variables to match).
Add dark mode support (#35857)
* Add dark mode to docs
* Minor fix: missing space indentation
* Minor fix: revert utilities/z-index added-in modification
* Remove prev: and next: from doc because extracted to another PR
* Use .bg-body-tertiary in all Utilities > Overflow examples
* fix example
* Fix up spacing examples
* Update box-shadow Sass variables and utilities to auto-adjust to color modes
* Remove unused docs class
* Refactor form styles to use CSS variable for background images on .form-check and .form-switch
* Fix docs selector
* Rename shortcut for clarity
* Heading consistency
* Reintroduce missing 4th grid item in Utilities > Spacing example
* Fix bundlewatch
* .bd-callout* rendering is OK so removing comments in the code
* Update scss/_utilities.scss
Co-authored-by: Julien Déramond <julien.deramond@orange.com>
* Fix gutters example styling
* Fix text colors on background utils docs
* redesign and fix up position marker example, which doesn't show nicely in darkmode but at least isn't broken
* fix some color utils examples
* Deprecate mixin notice
* Deprecate notice for list-group-item-variant() mixin
* Revamp new link CSS vars
* Use map-keys in some each Sass files
* Remove list-group-item-variant mixin ref in sass loop desc
* Display CSS vars scoped to our built-in dark mode
* Revert previous commit
* Fix list group variant link
* Fix typo
* Remove imports of alert/list-group mixins in scss/_mixins.scss
* Small formatting + comments removal in scss/_content.scss
* Fix alert links colors
* fix dropdown border-radius mixin
* fix link color and underline again, this time using CSS var override for color var and fallback value for the underline
* fix colors on docs navbar for dark mode
* remove two changes
* missing ref
* another link underline fix, just use sass vars for link decoration for now
* missing color bg docs, plus move dropdown override to scss
* more changes from review
* fix some examples, drop unused docs navbar styles, update docs navbar color mode to use mixin
* Few fixes around type
- Restored CSS variable for color on headings, this time with a fallback value
- In conjunction, restored and wrapped the default CSS var with a null value check
- Split headings and paragraphs docs in Reboot, elaborated on them
* Restyle custom details > summary element in docs
* Rewrite some migration docs
* fix form checks
* Fix up some navbar styling, tweak docs callout
* Fix select images, mostly for validation styling
* Clean up some migration notes, document some new form control CSS vars, mention new variables-dark in sass docs
* Update site/content/docs/5.2/components/scrollspy.md
Co-authored-by: Julien Déramond <julien.deramond@orange.com>
* Apply suggestions from code review
Co-authored-by: Julien Déramond <julien.deramond@orange.com>
* mention form control css vars in migration guide
* Tweak grid and flex docs background examples
* clarify some docs
* fix some more things
Co-authored-by: Julien Déramond <juderamond@gmail.com>
Co-authored-by: Julien Déramond <julien.deramond@orange.com>
2022-11-29 07:30:26 +01:00
{{< example class = "overflow-hidden" > }}
< div class = "shadow-none p-3 mb-5 bg-body-tertiary rounded" > No shadow< / div >
< div class = "shadow-sm p-3 mb-5 bg-body-tertiary rounded" > Small shadow< / div >
< div class = "shadow p-3 mb-5 bg-body-tertiary rounded" > Regular shadow< / div >
< div class = "shadow-lg p-3 mb-5 bg-body-tertiary rounded" > Larger shadow< / div >
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{{< / example > }}
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## Sass
### Variables
{{< scss-docs name = "box-shadow-variables" file = "scss/_variables.scss" > }}
### Utilities API
Shadow utilities are declared in our utilities API in `scss/_utilities.scss` . [Learn how to use the utilities API. ]({{< docsref "/utilities/api#using-the-api" >}} )
{{< scss-docs name = "utils-shadow" file = "scss/_utilities.scss" > }}