JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.6/js/materialize.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://fonts.googleapis.com/icon?family=Material+Icons"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.6/css/materialize.min.css">
<script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/0.97.6/js/materialize.js"></script>
<div id="dropdown1" class="row dropdown-content">
  <div class="col s12 m6">
    <ul>
      <li>1</li>
      <li>2</li>
      <li>3</li>
    </ul>
  </div>
  <div class="col s12 m6">
    <ul>
      <li>4</li>
      <li>5</li>
      <li>6</li>
    </ul>
  </div>
</div>

<nav>
  <div class="nav-wrapper">
    <ul>
      <li><a class="dropdown-button" href="#!" data-activates="dropdown1">Dropdown</a></li>
    </ul>
  </div>
</nav>

CSS

#dropdown1 div {
  padding: 0;
}

#dropdown1 li {
  text-align: center;
}