CSS3固定在顶部的导航栏

最初发表于: 2019-11-19 18:00:38

示例代码如下

<!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>网站 - 首页</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        nav {
            background: #000;
            height: 30px;
            width: 100%;
            color: #fff;
            position: fixed;
            top: 0;
            left: 0;
        }
    </style>
</head>

<body>
    <nav>
        这是顶部导航
    </nav>
</body>

</html>