<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
.d1{
width: 500px;
height: 500px;
background-color: skyblue;
transition: all 0.5s;
text-align: center;
line-height: 500px;
margin-top: 100px;
margin-left: 100px
}
.d1:hover{
box-shadow: 10px 10px 20px rgba(0,0,0,0.2); #x、y都偏移10px，阴影的厚度为20px
transform: translate3d(0,-15px,0); #在y轴向上移动15px
/*transform: scale(1.5,1.5);*/
/*transform: skew(30deg,0);*/
}
</style>
</head>
<body>
<div class="d1">天青色等烟雨而我在等你</div>
</body>
</html>
