<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div style="background-color: #00A770;height: 5000px">123</div>
<div style="background-color: black;z-index: 9;position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
opacity: 0.5;
"></div>
<div style="background-color: white;height: 200px;width:400px;z-index: 10;
position: fixed;top: 50%;left: 50%;margin-top: -100px;margin-left: -200px">
<input type="text">
<input type="text">
</div>
</body>
</html>
注意：opacity 设置透明度0.5
z-index 层级顺序
效果如下图
原文地址：https://www.cnblogs.com/topzhao/p/9166468.html
时间： 2024-10-25 06:46:02