1import {createMuiTheme} from '@material-ui/core/styles';
 2import grey from '@material-ui/core/colors/grey';
 3import blue from '@material-ui/core/colors/blue';
 4
 5export default createMuiTheme({
 6  palette: {
 7    primary: grey,
 8    secondary: blue,
 9    background: {
10      default: grey[50],
11    },
12  },
13});