前端-第九天-作业
2018-11-04 本文已影响21人
看三小
<!DOCTYPE html>
<html lang="en"><head>
<meta charset="UTF-8">
<title>CSS3过渡动画</title>
<style type="text/css">
.box{
width: 100px;
height: 100px;
background-color: gold;
transition: all 500ms ease;
}
.box:hover{
width: 500px;
height: 300px;
background-color: red;
border-radius: 50px;
}
</style>
</head>
<body>
<div class="box"></div>
</body></html>
