用css3实现div hover阴影效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>c3阴影</title>
<style>
.demo{
width: 300px;
height: 300px;
background: skyblue;
position: absolute;/*设置水平垂直居中*/
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
transition: all ease 1s;/*设置过渡效果*/
}
.demo:hover{
box-shadow: 10px 10px 5px #888888;/*设置阴影,可以自定义参数*/
}
</style>
</head>
<body>
<div class="demo">
</div>
</body>
</html>
