JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bigbox">
<span class="avdore"></span>
<nav>
  <ul class="firstbaba">
    <li>
      <a href="">Blogger</a>
      <ul class="secondbaba">
        <li><a href="">History</a></li>
        <li><a href="">widget</a></li>
        <li><a href="">SEO</a></li>
        <li><a href="">Tips</a></li>
      </ul>
    </li>
    <li>
      <a href="">Wordpress</a>
      <ul class="secondbaba">
        <li><a href="">widget</a></li>
        <li><a href="">seo</a></li>
        <li><a href="">template</a></li>
      </ul>
    </li>
    <li>
      <a href="">SEO</a>
      <ul class="secondbaba">
        <li><a href="">Tips</a></li>
        <li><a href="">Tools</a></li>
        <li><a href="">Websites</a></li>
      </ul> 
    </li>
    <li>
      <a href="">About Me</a>
      <ul class="secondbaba">
        <li><a href="">My Life</a></li>
        <li><a href="">History</a></li>
        <li><a href="">Contact Us</a></li>
      </ul> 
    </li>
  </ul>
</nav>
</div>

CSS

/* A simple, css only, (some-what) responsive menu */
/* tiny reset */
* { padding: 0; margin: 0; }
body {
  background: #ccc;
  font-family: oswald, arial, serif;
  font-size: 13px;
  text-transform: uppercase;
  text-align: center;
}
.bigbox {
  display: inline-block;
  -webkit-box-shadow: 0 0 70px #fff;
  -moz-box-shadow: 0 0 70px #fff;
  box-shadow: 0 0 70px #fff;
  margin-top: 40px;
}
/* a little "umph" */
.avdore {
  background: #6EAF8D;
  background: -webkit-linear-gradient(left, #CDEBDB 50%, #6EAF8D 50%);
  background: -moz-linear-gradient(left, #CDEBDB 50%, #6EAF8D 50%);
  background: -o-linear-gradient(left, #CDEBDB 50%, #6EAF8D 50%);
  background: linear-gradient(left, white 50%, #6EAF8D 50%);
  background-size: 50px 25%;;
  padding: 2px;
  display: block;
}
a {
  text-avdoreation: none;
  color: #fff;
  display: block;
}
ul {
  list-style: none;
  position: relative;
  text-align: left;
}
li {
  float: left;
}
/* clear'n floats */
ul:after {
  clear: both;
}
ul:before,
ul:after {
    content: " ";
    display: table;
}
nav {
  position: relative;
  background: #2B2B2B;
  background-image: -webkit-linear-gradient(bottom, #2B2B2B 7%, #333333 100%);
  background-image: -moz-linear-gradient(bottom, #2B2B2B 7%, #333333 100%);
  background-image: -o-linear-gradient(bottom, #2B2B2B 7%, #333333 100%);
  background-image: linear-gradient(bottom, #2B2B2B 7%, #333333 100%);
  text-align: center;
  letter-spacing: 1px;
  text-shadow: 1px 1px 1px #000;
  -webkit-box-shadow: 2px 2px 3px #888;
  -moz-box-shadow: 2px 2px 3px #888;
  box-shadow: 2px 2px 3px #888;
  border-bottom-right-radius: 8px;
  border-bottom-left-radius: 8px;
}
/* prime */
ul.firstbaba li a {
  display: block;
  padding: 20px 30px;
  border-right: 1px solid #3D3D3D;
}
ul.firstbaba li:last-child a {
  border-right: none;
}
ul.firstbaba li a:hover {

  color: #000;
}
/* secondbabas */
ul.secondbaba {
  position: absolute;
  z-index: 200;
  box-shadow: 2px 2px 0 #BEBEBE;
  width: 35%;
 ...