今天給大家分享一個用CSS 3.0實現的霓虹燈按鈕動畫特效，效果如下：
以下是代碼實現，歡迎大家複製粘貼和收藏。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS 3.0實現霓虹燈按鈕動畫特效</title>
<style>
* {
font-family: '微軟雅黑', sans-serif;
box-sizing: border-box;
}
body {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: #050801;
}
a {
position: relative;
display: inline-block;
padding: 25px 30px;
margin: 0 50px;
color: #03e9f4;
text-decoration: none;
overflow: hidden;
transition: 0.5;
letter-spacing: 4px;
-webkit-box-reflect: below 1px linear-gradient(transparent, #0005);
}
a:nth-child(1) {
filter: hue-rotate(290deg);
}
a:nth-child(3) {
filter: hue-rotate(110deg);
}
a:hover {
background: #03e9f4;
color: #050801;
box-shadow: 0 0 5px #03e9f4,
0 0 25px #03e9f4,
0 0 50px #03e9f4,
0 0 200px #03e9f4;
}
a span {
position: absolute;
display: block;
}
a span:nth-child(1) {
top: 0;
left: -100%;
width: 100%;
height: 2px;
background: linear-gradient(90deg, transparent, #03e9f4);
animation: animate1 1s linear infinite;
}
@keyframes animate1 {
0% {
left: -100%;
}
50%,
100% {
left: 100%;
}
}
a span:nth-child(2) {
top: 0;
right: 0;
height: 100%;
width: 2px;
background: linear-gradient(92deg, transparent, #03e9f4);
animation: animate2 1s linear infinite;
animation-delay: 0.25s;
}
@keyframes animate2 {
0% {
top: -100%;
}
50%,
100% {
top: 100%;
}
}
a span:nth-child(3) {
bottom: 0;
right: -100%;
height: 2px;
width: 100%;
background: linear-gradient(180deg, transparent, #03e9f4);
animation: animate3 1s linear infinite;
animation-delay: 0.5s;
}
@keyframes animate3 {
0% {
right: -100%;
}
50%,
100% {
right: 100%;
}
}
a span:nth-child(4) {
bottom: -100%;
left: 0;
width: 2px;
height: 100%;
background: linear-gradient(270deg, transparent, #03e9f4);
animation: animate4 1s linear infinite;
animation-delay: 0.75s;
}
@keyframes animate4 {
0% {
bottom: -100%;
}
50%,
100% {
bottom: 100%;
}
}
</style>
</head>
<body>
<a href="#">
<span></span>
<span></span>
<span></span>
<span></span>
NENO BUTTON
</a>
<a href="#">
<span></span>
<span></span>
<span></span>
<span></span>
NENO BUTTON
</a>
<a href="#">
<span></span>
<span></span>
<span></span>
<span></span>
NENO BUTTON
</a>
</body>
</html>