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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<style>
.box-right {
height: 300px;
margin-left: 300px;
background-color: brown
}
.box-left {
width: 300px;
height: 300px;
float: left;
background-color: black;
}
</style>
<body>
<div class="box-left">
<a href="">我是左面</a>
</div>
<div class="box-right">
<a href="">我是右面</a>
</div>
</body>
</html>
