JSFiddle - React, Tailwind, and code Playground

HTML

<div id="menubar">
  <div class="menu">
    <ul>
      <li><a href="index.php">Homepage</a></li>
      <li><a href="classes.php">Classes</a></li>
      <li><a href="calendar.php">Calendar</a></li>
      <li><a href="news.php">News</a></li>
      <li><a href="creative.php">Creativity</a></li>
      <li><a href="groups.php">Groups</a></li>
      <li><a href="entertainment.php">Entertainment</a>
        <ul>
          <li><a href="music.php">Music</a></li>
          <li><a href="movies.php">Movies</a></li>
        </ul>
      </li>
      <li><a href="aboutus.php">About Us</a></li>
    </ul>
  </div>
</div>

CSS

#menubar {
    padding:0;
    margin:0;
    background: #ffffff;
    display: block;
    float: left;
    margin: 0 auto;
    width: 700px;
}
#menubar .menu {
    font-size: 13px;
    margin-left: 12px;
    width: 928px;
}
#menubar .menu ul {
    list-style: none;
    padding:0;
    margin:0;
}
#menubar .menu li {
    float: left;
    position: relative;
}
#menubar a {
    color: #000000;
    display: block;
    line-height: 38px;
    padding: 0 10px;
    text-decoration: none;
}
#menubar ul ul {
    display: none;
    position: absolute;
    top: 38px;
    left: 0;
    float: left;
    width: 180px;
    z-index: 99999;
}
#menubar ul ul li {
    min-width: 180px;
}
#menubar ul ul ul {
    left: 100%;
    top: 0;
}
#menubar ul ul a {
    background: #f2f2f2;
    line-height: 1em;
    padding: 10px;
    width: 160px;
    height: auto;
}
#menubar li:hover > a, #access ul ul :hover > a {
    background: #f2f2f2;
    color: #000000;
}
#menubar ul li:hover > ul {
    display: block;
}