css边框样式
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>css边框样式</title>
<style>
div{
width:300px;height:300px;border:1px solid #ccc;
margin:50px auto;
border-radius:10px;
box-shadow:0px 15px 3px #666 inset;
}
</style>
</head>
<body>
<div></div>
</body>
</html>