import { createMuiTheme , responsiveFontSizes } from '@material-ui/core' ; import { red , blue } from '@material-ui/core/colors' ; let theme = createMuiTheme ( { palette : { primary : { main : blue [ 700 ] , } , secondary : { main : red [ 700 ] , } , } , } ) ; theme = responsiveFontSizes ( theme ) ; export default theme ;