简单的Css动画--涟漪效果
<!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>快速css涟漪动画</title>
<style>
*{
margin: 0;
padding: 0;
}
body{
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #111;
}
.container{
position: relative;
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
}
.container .box{
width: 500px;
height: 500px;
display: flex;
justify-content: center;
align-items: center;
margin: 50px 0;
}
.container .box span{
position: absolute;
box-sizing: border-box;
border: 2px solid #fff;
border-radius: 50%;
animation: animate 5s linear infinite;
animation-delay: calc(0.5s * var(--i));
}
@keyframes animate{
0%{
width: 0px;
height: 0px;
}
50%{
opacity: 1;
}
100%{
width: 500px;
height: 500px;
opacity: 0;
}
}
.container .box:nth-child(2) span{
border: none;
background: rgba(0,255,0,0.25);
}
</style>
</head>
<body>
<div class="container">
<div class="box">
<span style="--i:1"></span>
<span style="--i:2"></span>
<span style="--i:3"></span>
<span style="--i:4"></span>
<span style="--i:5"></span>
<span style="--i:6"></span>
<span style="--i:7"></span>
<span style="--i:8"></span>
<span style="--i:9"></span>
<span style="--i:10"></span>
</div>
<div class="box">
<span style="--i:1"></span>
<span style="--i:2"></span>
<span style="--i:3"></span>
<span style="--i:4"></span>
<span style="--i:5"></span>
<span style="--i:6"></span>
<span style="--i:7"></span>
<span style="--i:8"></span>
<span style="--i:9"></span>
<span style="--i:10"></span>
</div>
</div>
</body>
</html>
结果：
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