题解 | #设置盒子宽高#
设置盒子宽高
http://www.nowcoder.com/practice/cd97b1e4964b46a4adf27c2b3c81d6fd
<html>
<head>
<meta charset=utf-8>
<style type="text/css">
/*补全代码*/
.box {
width: 100px;
height: 100px;
padding: 20px;
margin: 10px;
}
</style>
</head>
<body>
<div class="box">
</div>
</body>
</html>
