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%;
}
}