As you customize the included maps, you may encounter errors where a specific Sass map’s key is being used.įor example, we use the primary, success, and danger keys from $theme-colors for links, buttons, and form states. './node_modules/bootstrap/scss/functions' './node_modules/bootstrap/scss/variables' './node_modules/bootstrap/scss/mixins' $theme-colors : map-remove ( $theme-colors, 'info', 'light', 'dark' ) // './node_modules/bootstrap/scss/root' './node_modules/bootstrap/scss/reboot' './node_modules/bootstrap/scss/type' // etcīootstrap assumes the presence of some specific keys within Sass maps as we used and extend these ourselves. Here’s an example that changes the background-color and color for the when importing and compiling Bootstrap via npm: Variable overrides must come after our functions are imported, but before the rest of the imports. Some variables are set to null, these variables don’t output the property unless they are overridden in your configuration.

You will find the complete list of Bootstrap’s variables in scss/_variables.scss. If a variable has already been assigned, then it won’t be re-assigned by the default values in Bootstrap. Copy and paste variables as needed, modify their values, and remove the !default flag. Variable defaultsĮvery Sass variable in Bootstrap includes the !default flag allowing you to override the variable’s default value in your own Sass without modifying Bootstrap’s source code. We suggest using the full import stack from our bootstrap.scss file as your starting point. You can also start to add parts of Bootstrap under the // Optional section as needed. With that setup in place, you can begin to modify any of the Sass variables and maps in your custom.scss. Include any optional Bootstrap components as you './node_modules/bootstrap/scss/root' './node_modules/bootstrap/scss/reboot' './node_modules/bootstrap/scss/type' './node_modules/bootstrap/scss/images' './node_modules/bootstrap/scss/containers' './node_modules/bootstrap/scss/grid' // 5. Include remainder of required Bootstrap './node_modules/bootstrap/scss/variables' './node_modules/bootstrap/scss/mixins' // 4. Include any default variable overrides here Include functions first (so you can manipulate colors, SVGs, calc, './node_modules/bootstrap/scss/functions' // 2.

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