<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title></title>
<style>
*{
margin: 0;
padding: 0;
}
.outer{
width: 940px;
height: 440px;
padding: 10px;
border: 2px solid #000;
margin: 10px auto;
}
.outer div{
float: left;
}
.outer .box1{
width: 300px;
height: 260px;
background: pink;
}
.outer .box2{
width: 240px;
height: 260px;
background: cyan;
}
.outer .s_box{
width: 200px;
height: 130px;
}
.outer .box3{
background: yellowgreen;
}
.outer .box4{
background: greenyellow;
}
.outer .box7{
width: 300px;
height: 180px;
background: blueviolet;
}
.outer .s_box2{
width: 160px;
height: 180px;
}
.outer .box5{
background: purple;
}
.outer .box6{
background: palegreen;
}
</style>
</head>
<body>
<div class="outer">
<div class="box1"></div>
<div class="box2"></div>
<div class="s_box box3"></div>
<div class="s_box box4"></div>
<div class="s_box box4"></div>
<div class="s_box box3"></div>
<div class="box7"></div>
<div class="s_box2 box5"></div>
<div class="s_box2 box6"></div>
<div class="s_box2 box5"></div>
<div class="s_box2 box6"></div>
</div>
</body>
</html>
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