<!DOCTYPE html>
<html>
<head>
<title>Bootstrap实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<style>
.affix { top: 0;
width: 100%;
-webkit-transition: all .5s ease-in-out;
transition: all .5s ease-in-out;
background-color: #F44336;
border-color: #F44336;
}
.affix a { color: #fff !important;
padding: 15px !important;
-webkit-transition: all .5s ease-in-out;
transition: all .5s ease-in-out;
}
.affix-top a { padding: 25px !important;
}
.affix + .container-fluid { padding-top: 95px;
}
</style>
</head>
<body>
<div class="container-fluid" style="background-color:#F44336;color:#fff;height:200px;">
<h1>Bootstrap Affix实例</h1>
<h3>Fixed (sticky) navbar on scroll</h3>
<p>Scroll this page.</p>
<p>The navbar is attached to the top of the page after you have scrolled a specified amount of pixels.</p>
</div>