<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>

</head>
<style>
body {
background-color: rgb(223, 223, 223);
}

.list {
margin-top: 50px;
margin-left: 50px;
background-color: rgb(29, 156, 29);
width: 150px;
height: 150px;
transition: 0.5s; /* 缩放动画特效时间*/
text-align: center;
color: white;
line-height: 140px;
overflow: hidden;
/* 默认隐藏 */
}

/* 鼠标移入,缩放 */
/*
scalex()水平方向缩放
scaley()垂直方向缩放
scale()双方向缩放
*/
.list:hover {
transform: scale(1.2); /* 以1为单位放大和缩小 */
}

.picture{

margin-top: 50px;
margin-left: 50px;
width: 550px;
height: 350px;
transition: 0.5s;
text-align: center;
color: white;
line-height: 340px;
background-color: rgb(233, 135, 135);


}
.img {
width: 100%;
height: 100%;
}

.picture:hover{
transform: scale(2);
/* 以1为单位放大和缩小 */
}
</style>

<body>

<div class="list"> 缩放动画效果 </div>


<div class="picture">
<img src="https://www.baidu.com/img/flexible/logo/pc/result.png">
</div>

</body>

</html>