text: import React from 'react';
  import { Header, Icon } from 'semantic-ui-react';
  
  const PageNotFound = () => (
    <Header size='huge' textAlign='center' icon>
      <Icon name='warning circle' size='huge' color='red' />
      <Header.Content>Page Not Found</Header.Content>
    </Header>
  );
  
  export default PageNotFound;
  