JSFiddle - React, Tailwind, and code Playground

HTML

<nav>
  <ul>
    <li class="store"><span class="store-icon"></span><a href="#">Loja</a></li>
    <li class="movies"><span class="movies-icon"></span><a href="#">Filmes</a></li>
		<li class="music"><span class="music-icon"></span><a href="#">Música</a></li>
		<li class="books"><span class="books-icon"></span><a href="#">Livros</a></li>
		<li class="magazines"><span class="magazines-icon"></span><a href="#">Games</a></li>
		<li class="devices"><span class="devices-icon"></span><a href="#">Celulares</a></li>
	</ul>
</nav>

CSS

@import url(http://fonts.googleapis.com/css?family=Roboto:300);

body{
	
	font-family: 'Roboto', sans-serif;
	font-size: 18px;
	
	background-color: #8000FF;
}

nav {
  /*
  background: rgba(245, 245, 245, 0.95);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
  -moz-box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
  -webkit-box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
  */
  width: 200px;
  margin: 0;
}
nav ul {
  padding: 0;
  margin: 0;
}
nav ul li {
  list-style: none;
  height: 50px;
}
nav ul li:hover {
  width: 200px;
  height: 50px;
}
nav ul li a {
  position: absolute;
  width: 140px;
  height: 40px;
  text-decoration: none;
  color: #555;
  padding: 10px 0 0 60px;
}
nav ul li a:hover {
  color: #fff;
}

.store {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.store:hover {
  background: #b3c833;
  width: 50px;
}

.movies {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.movies:hover {
  background: #b3c833;
  width: 50px;
}

.music {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.music:hover {
  background: #b3c833;
  width: 50px;
}

.books {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.books:hover {
  background: #b3c833;
  width: 50px;
}

.magazines {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.magazines:hover {
  background: #b3c833;
  width: 50px;
}

.devices {
  width: 50px;
  height: 50px;
  margin-bottom: px;
}

.devices:hover {
  background: #b3c833;
  width: 50px;
}

.store-icon {
  position: absolute;
  margin-left: 10px;
  padding-top: 12px;
}
.store-icon:before {
  width: 50px;
  height: 50px;
  margin-right: 30px;
  content:...