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front-end-effects-learning
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css3发光渐变环形加载动画.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</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: 150px;
            height: 150px;
            border-radius: 50%;
            background: linear-gradient(45deg, transparent, transparent 40%, #e5f403);
            animation: animate .7s linear infinite;
        }
        @keyframes animate {
            0%{
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
        .loader::before {
            content: '';
            position: absolute;
            top: 6px;
            right: 6px;
            bottom: 6px;
            left: 6px;
            background: #000;
            border-radius: 50%;
            z-index: 1000;
        }
        .loader::after {
            content: '';
            position: absolute;
            top: 0px;
            right: 0px;
            bottom: 0px;
            left: 0px;
            background: #000;
            background: linear-gradient(45deg, transparent, transparent 40%, #e5f403);
            border-radius: 50%;
            z-index: 1;
            filter: blur(30%);
        }
    </style>
</head>
<body>
    <div class="loader"></div>
</body>
</html>