摘要：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">&
<!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>边框操作</title>
<style>
button{border:none;width:100px;height:30px;background: #ff0000;}
.lyy{width:100px;height:200px;box-shadow:0px 6px 30px #ccc inset;}
</style>
</head>
<body>
<div class="lyy"></div>
<button>登录</button>
<div></div>
</body>
</html>
批改老师：灭绝师太批改时间：2019-01-18 17:20:14
老师总结：测试练习的要全面点，老师上课测试代码一敲，完全体现不出你会了啥
