Pulsing Circle Spinner

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Pulsing Circle Spinner</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background: #282c34;
            margin: 0;
        }
        .spinner {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: radial-gradient(circle, #61dafb 10%, transparent 10.5%);
            background-size: 200% 200%;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% {
                background-position: 0% 0%;
            }
            50% {
                background-position: 100% 100%;
            }
            100% {
                background-position: 0% 0%;
            }
        }
    </style>
</head>
<body>
    <div class="spinner"></div>
</body>
</html>

Pulsing Circle Spinner - MeggiTools