H5新增的几个容器块元素:
1、header:用户表示页面或某个区域的头部
2、nav:用于表示导航栏
3、aside:用于表示跟周围主题相关的附加信息
4、article:用于表示一个整体的一部分主题
5、section:表示右边的侧边栏
6、footer:用于表示页面或某个区域的脚注
现在这里来教大家怎么使用
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <!-- 内联样式表 -->
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        .box {
            width: 80%;
            text-align: center;
            font-size: 30px;
            margin: 10px auto;
        }
        header {
            width: 100%;
            height: 100px;
            outline: 1px solid red;
            line-height: 100px;
        }
        .box1 {
            width: 100%;
            position: relative;
            height: 550px;
        }
        nav {
            width: 70%;
            height: 50px;
            outline: 1px solid black;
            position: absolute;
            left: 0px;
            top: 0px;
            line-height: 50px;
        }
        aside {
            width: 30%;
            height: 50px;
            outline: 1px solid blue;
            position: absolute;
            right: 0px;
            top: 0px;
            line-height: 50px;
        }
        article {
            width: 70%;
            height: 500px;
            outline: 1px pink solid;
            position: absolute;
            left: 0px;
            top: 50px;
            line-height: 500px;
        }
        section {
            width: 30%;
            height: 500px;
            outline: 1px yellow solid;
            position: absolute;
            right: 0px;
            top: 50px;
            line-height: 500px;
        }
        footer {
            width: 100%;
            height: 100px;
            outline: 1px solid rebeccapurple;
            line-height: 100px;
        }
    </style>
</head>
<body>
    <div class="box">
        <header>我是网页的头部</header>
        <div class="box1">
            <nav> 我是左边的导航栏</nav>
            <aside>我是右边的导航栏</aside>
            <article>我是主体内容</article>
            <section>我是右边的侧边栏</section>
        </div>
        <footer>我是底部</footer>
    </div>
</body>
</html>