body {
    font-family: Arial, sans-serif;
}

.shake {
    animation: shake 0.5s ease-in-out infinite;
}

/* Define the keyframes for shaking animation */
@keyframes shake {
    0% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    50% {
        transform: translateX(5px);
    }

    75% {
        transform: translateX(-5px);
    }

    100% {
        transform: translateX(0);
    }
}