JSFiddle - React, Tailwind, and code Playground

HTML

<nav class="header-menu">
				<ul>
					<li><a href="ps4.html">PS4</a></li>
					<li><a href="xboxone.html">XBOX ONE</a></li>
					<li><a href="pc.html">PC</a></li>
					<li class="dropdown">
					<a href="outrosconsoles.html">Outros Consoles</a>
					<div class="dropdown-content">
					<a href="#">PS3</a>
					<a href="#">XBOX 360</a>
					<a href="#">WII U</a>
					</div>
					</li>
					<li><a href="esports.html">eSports</a></li>
					<li><a href="reviews.html">Reviews</a></li>
					<li><a href="videos.html">VĂ­deos</a></li>
				</ul>
			</nav>

CSS

.header-menu {
	height: auto;
	text-align: right;
	font-size: 0;
}

.header-menu ul li {
	height: auto;
	display: inline-block;
}

.header img {
	margin-top: 20px;
}

.header-menu ul li a {
	text-align: center;
	color: #000;
	font-size: 14px;
	line-height: 60px;
	padding: 20px 12px;
  text-decoration: none;
}

.header-menu ul li:hover {
	background: #fd1616; /*Vermelho*/
}

/*Dropdown Menu*/

.dropdown-content {
	display: none;
	position: absolute;
	background: #111112;
	width: 130px;
	padding: 10px 0;
}

.dropdown-content a {
  color: #fff;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {
	background: #fd1616;
}

.dropdown:hover .dropdown-content {
	display: block;
}