效果示例
代码示例
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>波浪背景动画title>
<style>
body {
margin: auto;
font-family: -apple-system, BlinkMacSystemFont, sans-serif;
overflow: auto;
background: linear-gradient(315deg, rgba(101, 0, 94, 1) 3%, rgba(60, 132, 206, 1) 38%, rgba(48, 238, 226, 1) 68%, rgba(255, 25, 25, 1) 98%);
animation: gradient 15s ease infinite;
background-size: 400% 400%;
background-attachment: fixed;
}
@keyframes gradient {
0% {
background-position: 0% 0%;
}
50% {
background-position: 100% 100%;
}
100% {
background-position: 0% 0%;
}
}
.wave {
background: rgb(255 255 255 / 25%);
/* background: rgba(255, 255,255, .1); */
border-radius: 1000% 1000% 0 0;
position: fixed;
width: 200%;
height: 12em;
animation: wave 10s -3s linear infinite;
transform: translate3d(0, 0, 0);
opacity: 0.8;
bottom: 0;
left: 0;
z-index: -1;
}
.wave:nth-of-type(2) {
bottom: -1.25em;
animation: wave 18s linear reverse infinite;
opacity: 0.8;
}
.wave:nth-of-type(3) {
bottom: -2.5em;
animation: wave 20s -1s reverse infinite;
opacity: 0.9;
}
@keyframes wave {
2% {
transform: translateX(1);
}
25% {
transform: translateX(-25%);
}
50% {
transform: translateX(-50%);
}
75% {
transform: translateX(-25%);
}
100% {
transform: translateX(1);
}
}
style>
head>
<body>
<div>
<div class="wave">div>
<div class="wave">div>
<div class="wave">div>
div>
body>
html>