css 动画 (2)

1. html 结构

<!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>Keyframes 02</title>
</head>
<body>
  <div class="box"></div>
</body>
</html>

2. css 样式

body {
      background-color: #333;
    }
    .box {
      background-color: #fff;
      width: 200px;
      height: 200px;
      position: relative;
      top: 0;
      left: 0;
      animation: anim 2s forwards ease-in-out;
    }

    @keyframes anim {
      25% {
        top: 0;
        left: 300px;
        background-color: cornflowerblue;
        border-radius: 50% 0 0 0;
      }
      50% {
        top: 300px;
        left: 300px;
        background-color: brown;
        border-radius: 50% 50% 0 0;
      }
      75% {
        top: 300px;
        left: 0;
        background-color: blueviolet;
        border-radius: 50% 50% 50% 0;
      }
      100% {
        top: 0;
        left: 0;
        background-color: aqua;
        border-radius: 50%;
      }
    }

 

posted @ 2022-03-26 10:10  会前端的洋  阅读(19)  评论(0编辑  收藏  举报