[35--CSS] z-index 层叠顺序(模态框)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.d1{
position: fixed;
top:0;
right: 0;
left: 0;
bottom: 0;
background-color: rgba(255,192,203,0.4);
z-index: 200;
}
.d2{
position: fixed;
top:50%;
left:50%;
margin: -100px 0 0 -100px;
width: 200px;
height: 200px;
background-color: white;
z-index: 201;
}
</style>
</head>
<body>
<div class="d1">我我我</div>
<div class="d2"></div>
</body>
</html>
