摘要：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>小案例</title> <style type="text/css"> .box{width: 300px;height: 300px;border: 2px
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>小案例</title>
<style type="text/css">
.box{width: 300px;height: 300px;border: 2px solid red;border-radius: 150px;margin: 0px auto;margin-top: 300px;}
</style>
</head>
<body>
<div class="box"></div>
</body>
</html>
批改老师：韦小宝批改时间：2018-11-27 09:05:59
老师总结：内容过于简短！不过也可以了！但是课后要记得多多练习才行呐！！
