yonghee

<style>
#skip a {position:absolute;top:-9999px;z-index:9999;display:block;width:100%;background:#333;font-size:18px;;color:#fff;text-align:center;}
#skip a:hover,#skip a:focus {top:0;padding:15px 0;}
</style>

<div id="skip">
	<a href="#nav">메뉴 바로가기</a>
	<a href="#content">본문 바로가기</a>
</div>