I\'m building a responsive web app with Bootstrap 4. I want the font size of all text to be reduced on mobile devices compared to desktop, so I added the following to my bas
This is a Sass feature.
To have access to the media-breakpoint mixins and the size variables, you need to:
custom.scss
@import "node_modules/bootstrap/scss/bootstrap";
https://getbootstrap.com/docs/4.0/getting-started/theming/