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});