abstract：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title&g
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style type="text/css">
*{padding: 0;margin: 0;}
div{
width: 200px;height: 100px;
border: 1px dotted #ccc;
margin: 0 auto;
border-radius: 20px;
}
div:hover{
box-shadow: 0px 5px 40px #ccc ;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
div边框样式小案例
Correcting teacher：灭绝师太Correction time：2019-02-16 09:06:30
Teacher's summary：这个测试太简单了,案例可以不用照抄上课练习,自行拓展