old_contents: import React from 'react'
  import './styles.css'
  
  class App extends React.Component {
    render() {
      const { className } = this.props;
  
      return (
        <div className='index'>
          <div className='index__header'>
            <a href='/thingmenn'>Skoða þingmenn</a>
          </div>
        </div>
      );
    }
  }
  
  export default App
  
new_contents: import React from 'react'
  import './styles.css'
  
  class App extends React.Component {
    render() {
      return (
        <div className='index'>
          <div className='index__header'>
            <a href='/thingmenn'>Skoða þingmenn</a>
          </div>
        </div>
      );
    }
  }
  
  export default App
  
subject: remove unused className variable