next.js/test/integration/basic/pages/hmr/style-stateful-component.js

import React, { Component } from 'react'

export default class StyleStateFul extends Component {
  render () {
    return (
      <React.Fragment>
        <div className='hmr-style-page'>
          <p>
              This is the style page.
            <style jsx>{`
                p {
                  font-size: 100px;
                }
              `}</style>
          </p>
        </div>
      </React.Fragment>
    )
  }
}