add styles in material ui code example

Example 1: material ui common styles

import React from 'react';
import PropTypes from 'prop-types';
import { withStyles } from '@material-ui/core/styles';
import Button from '@material-ui/core/Button';

const styles = {
  root: {
    background: 'linear-gradient(45deg, #FE6B8B 30%, #FF8E53 90%)',
    border: 0,
    borderRadius: 3,
    boxShadow: '0 3px 5px 2px rgba(255, 105, 135, .3)',
    color: 'white',
    height: 48,
    padding: '0 30px',
  },
};

function HigherOrderComponent(props) {
  const { classes } = props;
  return <Button className={classes.root}>Higher-order component</Button>;
}

HigherOrderComponent.propTypes = {
  classes: PropTypes.object.isRequired,
};

export default withStyles(styles)(HigherOrderComponent);

Example 2: create a common style material ui style

const styles = (theme) => ({
  cardContainer: {
    position: 'relative',
    width: '50%',
    padding: theme.spacing.unit / 2,
  },
  cardOuter: {
    height: '100%',
    width: '100%',
    textAlign: 'start',
  },
  card: {
    width: '100%',
    background: theme.palette.backgrounds.card.off,
  },
  cardOn: {
    background: theme.palette.backgrounds.card.on,
  },
  cardUnavailable: {
    background: theme.palette.backgrounds.card.disabled,
  },
  cardContent: {
    display: 'flex',
    flexWrap: 'wrap',
    minHeight: 98,
    height: 98,
    [theme.breakpoints.down('sm')]: {
      minHeight: 74,
      height: 74,
    },
    padding: `${theme.spacing.unit * 1.5}px !important`,
  },
});

export default styles;