>
      <li><a href="#flexbox">Flexbox</a></li>
      <li><a href="#redux-store-and-effect-function">Redux store and effect function</a></li>
      <li><a href="#underlying--managed-timer-and-redux-store-connector">Underlying / managed Timer and Redux store connector</a></li>
      <li><a href="#reducer-state-actions">Reducer, state, actions</a></li>
      <li><a href="#tests">Tests</a></li>
    </ul>
  </li>
</ul>

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