<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="muyou">
<meta name="Keywords" content="牧佑叔叔">
<meta name="Description" content="--牧佑">
<title>Document</title>
<style>
#div1{
width:404px;
height:404px;
border:1px dashed #000;
}
#div2 {
margin:27px;
border:5px solid #d7effe;
background:#f6f6f6;
}
#div3 {
margin:20px;
background:pink;
border:1px solid pink;
}
#div4 {
border:1px dashed #fff;
margin:41px;
}
#div5 {
border:1px dashed #fff;
margin:3px;
}
#div6 {
width:100px;
height:100px;
border:5px solid red;
background:blue;
margin:49px;
}
</style>
</head>
<body>
<div id="div1">
<div id="div2">
<div id="div3">
<div id="div4">
<div id="div5">
<div id="div6">
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
