<!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>
<style>
/*
1、transition(过渡):属性、秒数、函数、延迟
属性：transition-property
秒数：transition-duration
函数：transition-timing-function
延迟：transition-delay
设置旋转点(x,y):transform-origin
2、函数属性值：
ease:开始和结束慢，中间快。默认值
linear:匀速
ease-in:开始慢
ease-out:结束慢
ease-in-out:和ease类似，但比ease幅度大
*/
.box {
width: 100px;
height: 100px;
border: 1px solid black;
margin: 100px auto;
transition: transform 1s;
/* 多个样式:用逗号隔开 */
/* transition: transform 1s, width 1s, height 1s; */
}
/* 旋转360度，放大一倍 */
.box:hover {
transform: rotate(360deg) scale(2);
/* width: 200px;
height: 200px; */
}
</style>
</head>
<body>
<div class="box">Hello world!</div>
</body>
</html>
