next.js/test/integration/basic/pages/hmr/style.js

import React from 'react'
export default () => {
  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>
  )
}