62 lines
1.1 KiB
HTML
62 lines
1.1 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<meta http-equiv="X-UA-Compatible" content="ie=edge">
|
|
<title>css3动画</title>
|
|
<style>
|
|
.box {
|
|
width: 150px;
|
|
height: 150px;
|
|
background: red;
|
|
animation: changeColor 3s infinite alternate;
|
|
}
|
|
|
|
@keyframes changeColor {
|
|
/* 开始第一步
|
|
from {
|
|
box-shadow: 1px 1px 1px #000;
|
|
border-radius: 0;
|
|
background: red;
|
|
}
|
|
|
|
最后一步
|
|
to {
|
|
box-shadow: 1px 1px 24px #000;
|
|
border-radius: 100%;
|
|
background: yellow;
|
|
} */
|
|
|
|
0% {
|
|
box-shadow: 1px 1px 1px #000;
|
|
border-radius: 0;
|
|
background: red;
|
|
}
|
|
|
|
50% {
|
|
box-shadow: 1px 1px 1px #000;
|
|
border-radius: 50%;
|
|
background: blue;
|
|
}
|
|
|
|
100% {
|
|
box-shadow: 1px 1px 1px #000;
|
|
border-radius: 100%;
|
|
background: yellow;
|
|
}
|
|
}
|
|
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
|
|
|
|
<div class="box">
|
|
|
|
</div>
|
|
|
|
|
|
</body>
|
|
</html> |