盒子阴影设置
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style type="text/css">
.box{
width: 400px;
height: 300px;
background-color: darkgreen;
border: 10px solid lawngreen;
border-radius: 100px;
box-shadow: 50px 30px 30px #cccccc;
}
</style>
</head>
<body>
<div class="box">这是一个带阴影的盒子</div>
</body>
</html>