<nav>
	<ul>
		<li><a href="">nav01</a></li>
		<li><a href="">nav02</a></li>
		<li><a href="">nav03</a></li>
		<li><a href="">nav04</a></li>
		<li><a href="">nav05</a></li>
	</ul>
</nav>

* {
	box-sizing: border-box;
}
body {
	min-height: 100vh;
	background: #dce4ec;
	margin: 0;
	padding: 10px;
	display: flex;
	justify-content: center;
	align-items: center;
}
li {
	list-style-type: none;
}
a {
	color: #555;
	background: #fff;
	padding: 10px 20px;
	text-decoration: none;
}


/* layout */
nav ul {
	text-align: center;
}
nav ul li {
	display: inline-block;
}