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Copy path15-纯CSS绘制心跳loading动画.html
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15-纯CSS绘制心跳loading动画.html
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<!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>脉动 loading</title>
<style>
body{
margin: 0;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(#eee 70%, pink);
}
.loader{
width: 6em;
height: 6em;
padding: 3em;
font-size: 10px;
background-color: pink;
border-radius: 50%;
border: 0.8em solid hotpink;
display: flex;
align-items: center;
justify-content: space-between;
animation: loader-animate 1.5s infinite ease-in-out;
}
.loader > span{
width: .5em;
height: 50%;
background-color: deeppink;
transform: scaleY(.05) translateX(-.5em);
animation: span-animate 1.5s infinite ease-in-out;
animation-delay: calc(var(--n) * .05s );
}
.loader > span:nth-child(1) { --n: 1; }
.loader > span:nth-child(2) { --n: 2; }
.loader > span:nth-child(3) { --n: 3; }
.loader > span:nth-child(4) { --n: 4; }
.loader > span:nth-child(5) { --n: 5; }
.loader > span:nth-child(6) { --n: 6; }
.loader > span:nth-child(7) { --n: 7; }
.loader > span:nth-child(8) { --n: 8; }
.loader > span:nth-child(9) { --n: 9; }
.loader > span:nth-child(10) { --n: 10; }
@keyframes loader-animate{
45%,55%{
transform: scale(1.05);
}
}
@keyframes span-animate {
0%,100%{
transform: scaleY(.05) translateX(-.5em);
}
15%{
transform: scaleY(1.2) translateX(1em);
}
90%,100%{
background-color: hotpink;
}
}
</style>
</head>
<body>
<div class="loader">
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</body>
</html>