Grab the code from the build folder, which will look something like this:
<link href="stylesheets/navbar.css" rel="stylesheet" type="text/css" />
<header class='main-navbar' id='header'>
<a class='logo' href='http://www.redbullmusicacademy.jp/jp/magazine'>
<div class='logo-text'>← Back</div>
<div class='logo-icon'></div>
<div class='logo-text'>Red Bull Music Academy</div>
</a>
<nav class='nav-desktop' id='desktop_nav'>
<ul class='nav-main'>
<li class='main-item'>
<a href='http://www.redbullmusicacademy.jp/jp/events'>Events</a>
</li>
<li class='main-item'>
<a href='http://www.redbullmusicacademy.jp/jp/magazine'>Magazine</a>
</li>
<li class='main-item'>
<a href='http://www.redbullmusicacademy.jp/jp/lectures'>Lectures</a>
</li>
<li class='main-item'>
<a href='http://www.redbullmusicacademy.jp/jp/radio'>Radio</a>
</li>
<li class='main-item'>
<a href='http://www.redbullmusicacademy.jp/jp/about-the-academy'>About</a>
</li>
<li class='main-item'>
<a class='js-external-link' href='http://www.redbullmusicacademy.com/home/' target='_blank'>English</a>
</li>
</ul>
</nav>
</header>
You'll need to add the css in somewhere as well obvz