代码来自头条号 ” 前端小智 ”, 侵权删
<!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> 波浪 </title>
<style>
*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
body{
background-color: #000;
position: relative;
width: 100%;
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
overflow: hidden;
}
.wave{
width: 100%;
height: 100%;
background-color: #4973ff;
position: absolute;
top: 0;
left: 0;
}
span{
position: absolute;
width: 325vh;
height: 325vh;
top: 0;
left: 50%;
transform: translate(-50%, -75%);
background-color: #000;
}
span:nth-child(1){
animation: animate 5s linear infinite;
border-radius: 45%;
background-color: rgba(0, 0, 0, 1);
}
span:nth-child(2){
animation: animate 5s linear infinite;
border-radius: 40%;
background-color: rgba(0, 0, 0, .5);
}
span:nth-child(3){
animation: animate 5s linear infinite;
border-radius: 42.5%;
background-color: rgba(0, 0, 0, .5);
}
@keyframes animate {
0%{transform: translate(-50%, -75%) rotate(0deg);
}
100%{transform: translate(-50%, -75%) rotate(360deg);
}
}
.content{
color: #fff;
font-size: 4em;
position: relative;
z-index: 1;
}
</style>
</head>
<body>
<div class="wave">
<span></span>
<span></span>
<span></span>
</div>
<div class="content">
<h2>wave content</h2>
</div>
</body>
</html>