body {
    @keyframes pulse {
        0% {
            transform: scale(1);
            box-shadow: 0 5px 15px rgba(255, 193, 7, 0.4);
        }

        50% {
            transform: scale(1.03);
            box-shadow: 0 8px 20px rgba(255, 193, 7, 0.6);
        }

        100% {
            transform: scale(1);
            box-shadow: 0 5px 15px rgba(255, 193, 7, 0.4);
        }
    }
}