<!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>
.box {
padding: 0 5px;
width: 200px;
height: 40px;
line-height: 40px;
background-color: pink;
border-radius: 15px;
/* 谁做过渡给谁加,transition: 要过渡的属性 花费时间 运动曲线(可省略) 何时开始(可省略) */
transition: all 1.5s;
/* 强制一行显示,超出则用省略号代替 */
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
cursor: pointer;
}
.box:hover {
width: 500px;
/* 阴影 */
box-shadow: 10px 10px 10px -4px rgba(0, 0, 0, 0.5);
}
</style>
</head>
<body>
<div class="box">
测试动态过渡效果是否有用,看看效果怎么样吧
</div>
</body>
</html>
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