abstract：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>html课程学习-css-边框-border</title> <link rel="shortcut icon" type="image/X-icon&qu
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>html课程学习-css-边框-border</title>
<link rel="shortcut icon" type="image/X-icon" href="image/logo2.png">
<link rel="stylesheet" type="text/css" href="css/indexp.css">
<style type="text/css">
.box{width: 500px;height: 300px;border: 1px solid #ccc;border-radius: 10px;border-bottom: }
.main{width: 200px;height: 200px;border-top: 10px solid red;background: blue;}
.shadow{width: 300px;height: 400px;box-shadow: 0px 5px 3px #ccc inset; border: 1px solid red;}
</style>
</head>
<body>
<div class="box"></div>
<div class="main"></div>
<button>登录</button>
<div class="shadow"></div>
</body>
</html>
Correcting teacher：天蓬老师Correction time：2019-06-16 09:32:02
Teacher's summary：你的边框有点美化过度了, 学习可以, 实际工作中, 不必这样的