JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
<header>
	<div id="logo"></div>
		<nav>
			<ul>
			<li><a href="#">Tours &amp; Prices</a></li>
			<li><a href="#">Standard Flights</a></li>
			<li><a href="#">Meet the Staff</a></li>
			<li><a href="#">Charters</a></li>
			</ul>
		</nav>
	</header>
   </div>

CSS

.container {
	width: 960px;
	margin:0 auto;
	background-color: blue;
}

header {
	height: 100px;
	background-color: #001D5D;
	position: relative;
    overflow:hidden;
	
}

#logo {
	height:110px;
	width:100px;
	z-index:10;
	top:0px;
	position: absolute;
	overflow: visible;
    background-color:red;
}

nav {
		background-color:#1CCEAE;
		margin-top:63px; 
}

nav ul {
	width:100%;
	line-height: 37px;
    text-align:right;
    background-color:#1CCEAE;
    padding:0;
}

ul li {
	display: inline-block;
	margin-right: 20px;
}

ul li a {
	text-decoration: none;
	font-size: 1em;
	color:white;	
}