<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>div重叠 叠加实例 未排层叠顺序 www.divcss5.com</title>
<style>
.div-relative{position:relative; color:#000; border:1px solid #000; width:500px; height:400px}
.div-a{ position:absolute; left:30px; top:30px; background:#F00; width:200px; height:100px}
/* css注释说明： 背景为红色 */
.div-b{ position:absolute; left:50px; top:60px; background:#FF0; width:400px; height:200px}
/* 背景为黄色 */
.div-c{ position:absolute; left:80px; top:80px; background:#00F; width:300px; height:300px}
/* DIV背景颜色为蓝色 */
</style>
</head>
<body>
<div class="div-relative">
<div class="div-a">我背景为红色</div>
<div class="div-b">我背景为黄色</div>
<div class="div-c">我背景为蓝色</div>
</div>
</body>
</html>
