<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {margin:0;}
.navbar { overflow: hidden;
background-color: #333;
position: fixed;
bottom: 0;
width: 100%;
}
.navbar a { float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px;
text-decoration: none;
font-size: 17px;
}
.navbar a:hover { background: #ddd;
color: black;
}
.main { padding: 16px;
margin-bottom: 30px;
height: 1500px;
}
</style>
</head>
<body>
<div class="navbar">
<a href="#home">Home</a>
<a href="#news">News</a>
<a href="#contact">Contact</a>
</div>
<div class="main">
<h1>Fixed Bottom Menu</h1>
<h2>滚动此页面可查看效果</h2>
<h2>页面滚动时，导航栏将保持在页面底部</h2>
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</div>
</body>
</html>