![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Correction status：qualified
Teacher's comments：
Collection
Collection
<!DOCTYPE html>
<html>
<head>
<title>固定定位小案例</title>
<link rel="stylesheet" type="text/css" href="css/style5.css">
<style type="text/css">
body{
background-color: #ccc;
height: 2000px;
}
.ads{
width: 250px;
height: 200px;
background-color: yellow;
position: fixed;
right: 0;
bottom: 0;
text-align: center;
}
.ads button{
float: right;
margin-right: 1px;
}
</style>
</head>
<body>
<h1>实现一个跟随窗口滚动固定广告位</h1>
<div class="ads">
<button onclick="this.parentNode.style.display = 'none'">关闭</button>
<h3>热门广告位</h3>
<h1>招商进行中</h1>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例