3D Button with Hover

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3D Button with Hover Effect</title>
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Mukta:[email protected]&display=swap" rel="stylesheet"> 
    <style>
        * {
            margin: 0;
            padding: 0;
            font-family: 'Mukta', sans-serif;
        }

        body {
            background-color: #292929;
        }

        section {
            width: 100%;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .btn {
            position: relative;
            width: 150px;
            font-size: 18px;
            font-weight: 500;
            text-align: center;
            color: #fff;
            text-decoration: none;
            perspective: 600px;
        } 
        
        .btn::before {
            position: absolute;
            content: attr(data-front);
            left: 0;
            right: 0;
            top: 0;
            padding: 8px 0;
            background-color: #e94b35;
            transition: 0.5s all ease;
            opacity: 1;
            transform: translateY(0) rotateX(0);
        }

        .btn::after {
            position: absolute;
            content: attr(data-back);
            left: 0;
            right: 0;
            top: 0;
            padding: 8px 0;
            background-color: #00bd9c;
            transition: 0.5s all ease;
            opacity: 0;
            transform: translateY(-50%) rotateX(90deg);
        }

        .btn:hover::before {
            opacity: 0;
            transform: translateY(50%) rotateX(-90deg);
        }

        .btn:hover::after {
            opacity: 1;
            transform: translateY(0) rotateX(0);
        }
    </style>
</head>
<body>
    <section>
        <a href="" class="btn" data-front="Send" data-back="Sent!"></a>
    </section>
</body>
</html>
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Result Screenshot(s)

3D Button with HoverWorking Sample0