a></li>
		</ul>
	</div>
</nav>

<header class="header-a">
	<div class="grid-container">
		<h1 class="header-a-logo grid-width-30">
			<a href="index.html"><img src="img/logo.svg" onerror="this.src='img/logo.png'; this.onerror=null;" alt="CKEditor Sample"></a>
		</h1>

		<nav class="navigation-b grid-width-70">
			<ul>
				<li><a href="index.html" class="button-a button-a-background">Start</a></li>
				<li><a href="toolbarconfigurator/index.html" class="button-a">Toolbar configurator <span clas