<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<style>
.box{
height: 300px;
width: 500px;
}
.left{
height: 300px;
width:300px;
float: left;
}
.right{
height:300px;
width:180px;
margin-left: 20px;
float: left;
}
.right div{
width:180px;
height: 90px;
background-color: red;
}
.left .head{
height: 200px;
width:300px;
background-color: blue;
}
.left .bottom{
margin-top: 20px;
height: 80px;
width:300px;
}
.bottom .left{
height: 80px;
width:145px;
background-color: red;
}
.bottom .right{
margin-left: 10px;
height: 80px;
width:145px;
background-color: black;
}
</style>
<body>
<div class="box">
<div class="left">
<div class="head">
</div>
<div class="bottom">
<div class="left">
</div>
<div class="right">
</div>
</div>
</div>
<div class="right">
<div style="margin-bottom:15px;">
</div>
<div style="margin-bottom:15px;">
</div>
<div>
</div>
</div>
</div>
</body>
</html>
