给大家分享一个用CSS 3.0实现的音阶加载中的动画，效果如下：
以下是代码实现，欢迎大家复制粘贴和收藏。
代码语言：javascript复制<!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>CSS 3.0实现音阶加载中动画</title>
<style>
* {
margin: 0;
padding: 0;
font-family: "微软雅黑"
}
body {
display: flex;
align-items: center;
justify-content:center;
min-height: 100vh;
background: #000;
}
.step {
position: relative;
-webkit-box-reflect: below -12px linear-gradient(transparent, rgba(0, 0, 0, 0.2))
}
.step span {
position: relative;
display: inline-block;
color: #fff;
font-size: 2em;
animation: animate 1s ease-in-out infinite;
animation-delay: calc(.1s*var(--i))
}
@keyframes animate {
0% {
transform: translateY(0px)
}
20% {
transform: translateY(-24px)
}
40%,
100% {
transform: translateY(0px)
}
}
</style>
</head>
<body>
<div class="step">
<span style="--i:1">内</span>
<span style="--i:2">容</span>
<span style="--i:3">加</span>
<span style="--i:4">载</span>
<span style="--i:5">中</span>
<span style="--i:6">.</span>
<span style="--i:7">.</span>
<span style="--i:8">.</span>
</div>
</body>
</html>
