jQuery Animate

<!DOCTYPE html>
<html>
<head>
    <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
</head>
<body style="font-family: sans-serif; padding: 20px;">
    <button id="btnAnimasi" style="padding:8px 16px; cursor:pointer;">Mulai Animasi Kotak</button>
    <div id="kotakAnim" style="background:#00758f; width:80px; height:80px; position:relative; margin-top:15px; border-radius:8px;"></div>

    <script>
        $('#btnAnimasi').click(function() {
            $('#kotakAnim').animate({
                left: '200px',
                width: '140px',
                height: '140px',
                opacity: 0.7
            }, 800);
        });
    </script>
</body>
</html>