input.wrong {
    border: 1px solid red !important;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}


body {
    font-family: 'Orbitron', sans-serif;
}