Options
Quickly customize Bootstrap with built-in variables to easily toggle global CSS preferences for controlling style and behavior.
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/_config.scss file.
| Variable | Values | Description |
|---|---|---|
$spacer | 1rem (default), or any value > 0 | Specifies the default spacer value to programmatically generate our margin, padding, and gap 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, .md:col-1, etc.). |
$enable-cssgrid | true or false (default) | Enables the CSS Grid system (e.g. .grid, .md:g-col-1, etc.). |
$enable-container-classes | true (default) or false | Enables the generation of CSS classes for layout containers. |
$enable-caret | true (default) or false | Enables pseudo element caret on [data-bs-toggle="menu"]. |
$enable-button-pointers | true (default) or false | Add “hand” cursor to non-disabled button elements. |
$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 a future major version. |
$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 |