menu.php

<header>
	<nav class="navbar navbar-default navbar-fixed-top navbar-inverse">
		<div class="container-fluid">
			<div class="navbar-header">
				<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#menu" aria-expanded="false">
	        <span class="sr-only">Toggle navigation</span>
	        <span class="icon-bar"></span>
	        <span class="icon-bar"></span>
	        <span class="icon-bar"></span>
	      </button>
				<a class="navbar-brand"><b>Quality Checklist</b></a>
			</div>

			<div class="collapse navbar-collapse" id="menu">
				<ul class="nav navbar-nav">
					<li class="active"><a href="./">품질검수</a></li>
					<li><a href="history.php">검수이력</a></li>
				</ul>
			</div>
		</div>
	</nav>
</header>