간단한 탭 메뉴 말들기

<style type="text/css"> body { margin: 0px; padding: 0; font: 12px "Lucida Grande", Verdana, Arial, Helvetica, sans-serif; background: #FFFFFF; text-align: center; } ul{ margin: 0; padding: 0; list-style: none; } #treenav { margin: 10px; text-align: left; } #treenav ul li { margin: 1px 0; padding: 0;...