@prabink/react-node-cli/templates/react_mui_mobx/src/themes/breakpoints.js

React Node Application Generator & Helpers To Serve React Build, Push to github & Export industry level react project structure

const breakpoints = {
  values: {
    xs: 0,
    sm: 600,
    md: 900,
    lg: 1200,
    xl: 1536
  }
};

export default breakpoints;