网络日志

头部固定吸顶,不足一屏footer固定底部,超过一屏滚动,注意看注释

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

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }

        .warp_height {
            min-height: 100vh;
            padding-bottom: 120px; /* padding-bottom: 120px这个等于底部的高度 */
            box-sizing: border-box;
        }

        .header,
        .footer {
            height: 120px;
            background-color: red;
            width: 100%;
        }

        .header {
            position: sticky;
            top: 0;
            left: 0;
        }
        .content{
            background-color: blue;
            height: 180px;
        }

        .footer {
            margin-top: -120px;/* margin-top: 120px这个等于底部的高度 */
        }
    </style>
</head>

<body>
    <div class="warp_height">
        <div class="header">
            头部,固定顶部,不会滚动
        </div>
        <div class="content">
            都是内容
        </div>
    </div>
    <div class="footer">
        底部,不足一屏固定在底部;
        <br>
        超过一屏,置底

    </div>

</body>

</html>