<footer class=“mdl-mega-footer”>

<div class="mdl-mega-footer__middle-section">

  <div class="mdl-mega-footer__drop-down-section">
    <input class="mdl-mega-footer__heading-checkbox" type="checkbox" checked>
    <h1 class="mdl-mega-footer__heading">Features</h1>
    <ul class="mdl-mega-footer__link-list">
      <li><a href="#">About</a></li>
      <li><a href="#">Terms</a></li>
      <li><a href="#">Partners</a></li>
      <li><a href="#">Updates</a></li>
    </ul>
  </div>

  <div class="mdl-mega-footer__drop-down-section">
    <input class="mdl-mega-footer__heading-checkbox" type="checkbox" checked>
    <h1 class="mdl-mega-footer__heading">Details</h1>
    <ul class="mdl-mega-footer__link-list">
      <li><a href="#">Specs</a></li>
      <li><a href="#">Tools</a></li>
      <li><a href="#">Resources</a></li>
    </ul>
  </div>

  <div class="mdl-mega-footer__drop-down-section">
    <input class="mdl-mega-footer__heading-checkbox" type="checkbox" checked>
    <h1 class="mdl-mega-footer__heading">Technology</h1>
    <ul class="mdl-mega-footer__link-list">
      <li><a href="#">How it works</a></li>
      <li><a href="#">Patterns</a></li>
      <li><a href="#">Usage</a></li>
      <li><a href="#">Products</a></li>
      <li><a href="#">Contracts</a></li>
    </ul>
  </div>

  <div class="mdl-mega-footer__drop-down-section">
    <input class="mdl-mega-footer__heading-checkbox" type="checkbox" checked>
    <h1 class="mdl-mega-footer__heading">FAQ</h1>
    <ul class="mdl-mega-footer__link-list">
      <li><a href="#">Questions</a></li>
      <li><a href="#">Answers</a></li>
      <li><a href="#">Contact us</a></li>
    </ul>
  </div>

</div>

<div class="mdl-mega-footer__bottom-section">
  <div class="mdl-logo">Title</div>
  <ul class="mdl-mega-footer__link-list">
    <li><a href="#">Help</a></li>
    <li><a href="#">Privacy & Terms</a></li>
  </ul>
</div>

</footer>