CSS3.0实现霓虹灯按钮动画特效的示例代码_css3_CSS

来源：jb51　　时间：2021/1/18 15:58:18　　对本文有异议

今天给大家分享一个用CSS 3.0实现的霓虹灯按钮动画特效，效果如下：

以下是代码实现，欢迎大家复制粘贴和收藏。

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS 3.0实现霓虹灯按钮动画特效</title>
    <style>
        * {
            font-family: '微软雅黑', 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>