HTML+CSS小项目：旋转变色效果
来源：HTML+CSS学习笔记
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>rotating-color-change-effect</title>
<style type="text/css">
*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
section{
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #042104;
animation: animateBg 10s linear infinite;
}
@keyframes animateBg{
0%{
filter: hue-rotate(0deg);
}
100%{
filter: hue-rotate(360deg);
}
}
section .loader{
position: relative;
width: 120px;
height: 120px;
}
section .loader span{
position: absolute;
top: 0;
left: 0;
width: 100px;
height: 100px;
transform: rotate(calc(18deg * var(--i)));
}
section .loader span::before{
content: ' ';
position: absolute;
top: 0;
left: 0;
width: 15px;
height: 15px;
border-radius: 50%;
background: #00FF0A;
box-shadow: 0 0 10px #00FF0A,
0 0 20px #00FF0A,
0 0 40px #00FF0A,
0 0 60px #00FF0A,
0 0 80px #00FF0A,
0 0 100px #00FF0A;
animation: animate 2s linear infinite;
animation-delay:calc(0.1s * var(--i)) ;
}
@keyframes animate{
0%{
transform: scale(1);
}
80%,100%{
transform: scale(0);
}
}
</style>
</head>
<body>
<section>
<div class="loader">
<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>
<span style="--i:11"></span>
<span style="--i:12"></span>
<span style="--i:13"></span>
<span style="--i:14"></span>
<span style="--i:15"></span>
<span style="--i:16"></span>
<span style="--i:17"></span>
<span style="--i:18"></span>
<span style="--i:19"></span>
<span style="--i:20"></span>
</div>
</section>
</body>
</html>
