<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
width: 100vw;
height: 100vh;
/*弹性容器通过设置 display 属性的值为 flex 或 inline-flex将其定义为弹性容器。*/
display: flex;
/*项目位于容器的中心。*/
justify-content: center;
/*元素位于容器的中心。
弹性盒子元素在该行的侧轴（纵轴）上居中放置*/
align-items: center;
background: #2c3e50;
}
main {
display: flex;
justify-content: center;
align-items: center;
}
div {
width: 200px;
height: 200px;
margin-right: 20px;
overflow: hidden;
border: 2px solid #fff;
transition: 1s;
}
div>img {
/* 模糊 给图像设置高斯模糊。"radius"一值设定高斯函数的标准差，
* 或者是屏幕上以多少像素融在一起， 所以值越大越模糊；*/
filter: blur(10px);
width: 100%;
height: 100%;
transition: 1s;
}
main:hover div {
transform: scale(.6);
}
main:hover div:hover {
transform: scale(1.2);
}
div>img:hover {
filter: none;
/*transform: scale(1.3);*/
transform: scale(1);
}
</style>
</head>
<body>
<main>
<div><img src="image/lk_logo01.jpg" alt=""></div>
<div><img src="image/lk_logo02.jpg" alt=""></div>
<div><img src="image/lk_logo03.jpg" alt=""></div>
</main>
</body>
</html>