<!DOCTYPE html>`
<html>
<head>
<title>Demo</title>
<link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.4/css/bootstrap.min.css">
<style>
.parallax-bg {
background-attachment: fixed;
background-repeat: no-repeat;
background-position: 50% 0;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
height: 500px;
}
</style>
</head>
<body>
<section style="height: 1000px;">
bbbb
</section>
<section>
<div class="parallax-bg" style='background-image: url("image/bg-parallax-c.png")'>
<div class="container">
<div class="row">
<div class="row light">
<div class="col-md-5 col-sm-7">
<h2>Available On All App Store </h2>
<p class="large">Download now & enjoy app with unimited features</p>
</div>
</div>
</div>
</div>
</div>
</section>
</body>
</html>
图片采用以下，感谢http://www.jq22.com/demo/jquerysjmoban201907161024/，更多详情可查看这个页面。
bg-parallax-c.png
