App.js

import React, {PureComponent} from 'react'

export default class App extends PureComponent {
  render() {
    return (
      <main className="app">
        <ul className="email-list">
          <li>
            <div className="email-list-item">
              <span>alittle0@chronoengine.com</span>
              <span>Mauris lacinia sapien quis libero</span>
            </div>
          </li>
          <li>
            <div className="email-list-item">
              <span>amurray1@mit.edu</span>
              <span>Mauris ullamcorper purus sit amet nulla</span>
            </div>
          </li>
          <li>
            <div className="email-list-item">
              <span>dmccoy2@bluehost.com</span>
              <span>Suspendisse potenti</span>
            </div>
          </li>
          <li>
            <div className="email-list-item">
              <span>raustin3@hexun.com</span>
              <span>Maecenas rhoncus aliquam lacus</span>
            </div>
          </li>
          <li>
            <div className="email-list-item">
              <span>rwagner4@instagram.com</span>
              <span>Pellentesque ultrices mattis odio</span>
            </div>
          </li>
        </ul>
        <section className="email-view">
          <h2>View selected email</h2>
        </section>
        <div className="email-form">
          <h2>Add a new email</h2>
        </div>
      </main>
    )
  }
}