给大家分享一个用CSS 3.0实现的炫酷发光特效，效果如下：
以下是代码实现，欢迎大家复制、粘贴和收藏。
<!DOCTYPE html>标签：03e9f4,linear,100%,animation,炫酷,3.0,top,CSS,left From： https://blog.51cto.com/u_15959833/6046791
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS 3.0实现炫酷发光特效</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #000;
}
.loader {
position: relative;
width: 200px;
height: 200px;
overflow: hidden;
-webkit-box-reflect: below 1px linear-gradient(transparent, #0005);
}
.loader:hover {
background: #03e9f4;
box-shadow: 0 0 5px #03e9f4,
0 0 25px #03e9f4,
0 0 50px #03e9f4,
0 0 200px #03e9f4;
}
.loader span {
position: absolute;
display: block;
}
.loader span:nth-child(1) {
top: 0;
left: 0;
width: 100%;
height: 40px;
background: linear-gradient(90deg, transparent, #03e9f4);
animation: animate1 1s linear infinite;
animation-delay: 0;
}
@keyframes animate1 {
0% {
left: -100%;
}
100% {
left: 100%;
}
}
.loader span:nth-child(3) {
bottom: 0;
left: -100%;
width: 100%;
height: 40px;
background: linear-gradient(270deg, transparent, #03e9f4);
animation: animate3 1s linear infinite;
animation-delay: 0;
}
@keyframes animate3 {
0% {
left: 100%;
}
100% {
left: -100%;
}
}
@keyframes animate1 {
0% {
left: -100%;
}
100% {
left: 100%;
}
}
.loader span:nth-child(2) {
right: 0;
top: -100%;
width: 40px;
height: 100%;
background: linear-gradient(180deg, transparent, #03e9f4);
animation: animate2 1s linear infinite;
animation-delay: 0.5;
}
@keyframes animate2 {
0% {
top: -100%;
}
100% {
top: 100%;
}
}
.loader span:nth-child(4) {
left: 0;
top: 100%;
width: 40px;
height: 100%;
background: linear-gradient(0deg, transparent, #03e9f4);
animation: animate4 1s linear infinite;
animation-delay: 0.5s;
}
@keyframes animate4 {
0% {
top: 100%;
}
100% {
top: -100%;
}
}
</style>
</head>
<body>
<div class="loader">
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</body>
</html>