<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body { margin: 0;
font-family: Arial, Helvetica, sans-serif;
}
.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: #f1f1f1;
color: black;
}
.navbar a.active { background-color: #4CAF50;
color: white;
}
.main { padding: 16px;
margin-bottom: 30px;
}
</style>
</head>
<body>
<div class="navbar">
<a href="#home" class="active">首页</a>
<a href="#news">News</a>
<a href="#contact">联系方式</a>
</div>
<div class="main">
<h1>底部导航栏</h1>
<p>一些文本一些文本一些文本。</p>
</div>
</body>
</html>