options.md 3.2 KB
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.
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| Variable | Values | Description |
| ------------------------------ | ---------------------------------- | -------------------------------------------------------------------------------------- |
| $spacer | 1rem (default), or any value > 0 | Specifies the default spacer value to programmatically generate our spacer utilities. |
| $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-shadows 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 transitions on various components. |
| $enable-reduced-motion | true (default) or false | Enables the prefers-reduced-motion media query, 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-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. |
| $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. |
| $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. |
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