New to Bootstrap 4, variable-based customization is a way for folks to quickly enable or disable global styles across all of Bootstrap's CSS. Simply update a variable's value and recompile using our Gruntfile.
With Bootstrap 4, we've added a handful of global options for easily customizing all the components in your project. These options are handled by Sass variables. Simply change a variable's value and recompile with the included Gruntfile.
