text: import {makeStyles} from '@material-ui/core/styles';
  
  export default makeStyles((theme) => ({
      toolbar: theme.mixins.toolbar,
      content: {
          flexGrow: 1,
          backgroundColor: theme.palette.background.default,
          padding: theme.spacing(3),
      },
      root: {
          flexGrow: 1,
      },
  }));