- header(头部标签)
- Nav(导航栏)
- section(内容)
- aside(侧边栏)
- article(正文)
- footer(尾部)
<body>
<section class="box">
<header>头部</header>
<div class="ys">
<nav>导航栏</nav>
<section class="clear">
<aside class="fl">
<span>侧边栏</span>
</aside>
<article class="fl">
<span>正文</span>
</article>
</section>
</div>
<footer>尾部</footer>
</div>
</body>
