bigbluebutton-Github/bigbluebutton-html5/imports/ui/stylesheets/styled-components/breakpoints.js

const smallOnly = 'only screen and (max-width: 40em)';
const mediumOnly = 'only screen and (min-width: 40.063em) and (max-width: 64em)';
const mediumUp = 'only screen and (min-width: 40.063em)';
const phoneLandscape = 'only screen and (max-width: 480px) and (orientation: landscape)';

export {
  smallOnly,
  mediumOnly,
  mediumUp,
  phoneLandscape,
};