abstract：<!DOCTYPE html><html> <head> <meta charset="UTF-8"> <title>边框</title> <style> .box{ width: 100px; height: 100px; border: 1px dashed;
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>边框</title>
<style>
.box{
width: 100px;
height: 100px;
border: 1px dashed;
border-radius: 50px;
}
.main{
width: 100px;
height: 100px;
border-top: 1px solid red;
background-color: #ccc;
border-left: 1px solid blue;
}
button{
border:none;
}
.shadow{
width: 300px;
height: 40px;
box-shadow: 0px 6px 30px #ccc inset;
/*border: 1px solid #ccc;*/
}
</style>
</head>
<body>
<div class="box"></div>
<div class="main"></div>
<button>登录</button>
<div class="shadow"></div>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-04-30 09:03:59
Teacher's summary：完成的不错，可以把常用的css样式写成公用文件。继续加油。