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mirror of https://github.com/twbs/bootstrap.git synced 2025-01-23 15:52:21 +01:00
Mark Otto fc3f4b67d6
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>
2022-11-28 22:30:26 -08:00

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Markdown

---
layout: docs
title: Options
description: Quickly customize Bootstrap with built-in variables to easily toggle global CSS preferences for controlling style and behavior.
group: customize
---
Customize Bootstrap with our built-in custom variables file and easily toggle global CSS preferences with new `$enable-*` Sass variables. Override a variable's value and recompile with `npm run test` as needed.
You can find and customize these variables for key global options in Bootstrap's `scss/_variables.scss` file.
{{< bs-table "table table-options" >}}
| Variable | Values | Description |
| ------------------------------ | ---------------------------------- | -------------------------------------------------------------------------------------- |
| `$spacer` | `1rem` (default), or any value > 0 | Specifies the default spacer value to programmatically generate our [spacer utilities]({{< docsref "/utilities/spacing" >}}). |
| `$enable-dark-mode` | `true` (default) or `false` | Enables built-in [dark mode support]({{< docsref "/customize/color-modes#dark-mode" >}}) across the project and its components. |
| `$enable-rounded` | `true` (default) or `false` | Enables predefined `border-radius` styles on various components. |
| `$enable-shadows` | `true` or `false` (default) | Enables predefined decorative `box-shadow` styles on various components. Does not affect `box-shadow`s used for focus states. |
| `$enable-gradients` | `true` or `false` (default) | Enables predefined gradients via `background-image` styles on various components. |
| `$enable-transitions` | `true` (default) or `false` | Enables predefined `transition`s on various components. |
| `$enable-reduced-motion` | `true` (default) or `false` | Enables the [`prefers-reduced-motion` media query]({{< docsref "/getting-started/accessibility#reduced-motion" >}}), which suppresses certain animations/transitions based on the users' browser/operating system preferences. |
| `$enable-grid-classes` | `true` (default) or `false` | Enables the generation of CSS classes for the grid system (e.g. `.row`, `.col-md-1`, etc.). |
| `$enable-container-classes` | `true` (default) or `false` | Enables the generation of CSS classes for layout containers. (New in v5.2.0) |
| `$enable-caret` | `true` (default) or `false` | Enables pseudo element caret on `.dropdown-toggle`. |
| `$enable-button-pointers` | `true` (default) or `false` | Add "hand" cursor to non-disabled button elements. |
| `$enable-rfs` | `true` (default) or `false` | Globally enables [RFS]({{< docsref "/getting-started/rfs" >}}). |
| `$enable-validation-icons` | `true` (default) or `false` | Enables `background-image` icons within textual inputs and some custom forms for validation states. |
| `$enable-negative-margins` | `true` or `false` (default) | Enables the generation of [negative margin utilities]({{< docsref "/utilities/spacing#negative-margin" >}}). |
| `$enable-deprecation-messages` | `true` (default) or `false` | Set to `false` to hide warnings when using any of the deprecated mixins and functions that are planned to be removed in `v6`. |
| `$enable-important-utilities` | `true` (default) or `false` | Enables the `!important` suffix in utility classes. |
| `$enable-smooth-scroll` | `true` (default) or `false` | Applies `scroll-behavior: smooth` globally, except for users asking for reduced motion through [`prefers-reduced-motion` media query]({{< docsref "/getting-started/accessibility#reduced-motion" >}}) |
{{< /bs-table >}}