1. Why add shadow:
In order to display the picture when we monotonous usually add a shadow effect to display beautiful
main utility of the box-shadow: Properties Properties IntroductionBelow we show the effect
2. Code example:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>图片按钮实验</title>
<style type="text/css">
img{
border-radius: 5px;
margin-top: 40px;
margin-left: 300px;
width: 700px;
height: 400px;
box-shadow:0 5px 20px rgba(0,0,0,0.5)
}
</style>
</head>
<body>
<img src="https://i.loli.net/2020/04/11/6ZfB4y5oVpWHC9N.png">
</body>
</html>