abstract：<html ><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>20190416</title><style type="text/css" >
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>20190416</title>
<style type="text/css" >
span{background:red;padding-left:20px;}
.box{width:100px;height:400px;background:pink;margin-top:100px;border:30px solid red;}
</style>
</head>
<body>
<span>
关超 20190416
</spac>
<div class="box">
hello
</div>
</body>
</html>
Correcting teacher：天蓬老师Correction time：2019-04-16 13:45:20
Teacher's summary：你想说明什么问题呢? 而且文本不应该直接写在<div>中的