html简单的响应式布局 

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>弹性盒容器-媒体查询-百分比布局--实现响应式布局</title>
    <style>
        body {
            font: 24px Helvetica;
            background-color: #fff;
        }
        /* 弹性盒容器 */

        .main {
            display: flex;
            min-height: 500px;
            margin: 0;
            padding: 0;
            flex-flow: row;
        }

        .main>* {
            margin: 4px;
            padding: 5px;
            border-radius: 7px;
        }

        article {
            background-color: #719dca;
            order: 2;
            flex-grow: 3;
        }

        nav {
            background-color: #ffba41;
            order: 1;
            flex-grow: 1;
            /* width: 20%; */
        }

        aside {
            background-color: aquamarine;
            order: 3;
            flex-grow: 1;
            /* width: 20%; */
        }

        header,
        footer {
            display: block;
            margin: 4px;
            padding: 5px;
            min-height: 100px;
            border: 2px solid #7e7234;
            border-radius: 7px;
            background-color: rgb(43, 144, 226);
        }

        footer {
            background-color: chocolate;
        }
        /* 媒体查询-当屏幕宽度小于XX，弹性盒容器内子元素按照纵轴方向排列 */

        @media screen and (max-width:640px) {
            .main {
                flex-flow: column;
            }
            article,
            nav,
            aside {
                order: 0;
            }
            nav,
            aside,
            header,
            footer {
                min-height: 50px;
                max-height: 50px;
            }
        }
    </style>
</head>

<body>
<header>弹性盒容器-媒体查询-百分比布局--实现响应式布局</header>
<!-- 弹性盒容器 -->
<div class="main">
    <!-- 弹性盒容器子元素 -->
    <article>文章</article>
    <nav>导航栏</nav>
    <aside>侧边栏</aside>
</div>
<footer>date:2023-12-19</footer>
</body>

</html>
posted @ 2024-04-10 16:32  朝阳1  阅读(28)  评论(0)    收藏  举报