body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: white;
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
}

#number-display {
    font-size: 3rem;
    margin-top: 20px;
    padding: 20px;
    background: white;
    color: #6a11cb;
    border-radius: 10px;
    display: inline-block;
    animation: pulse 0.5s infinite alternate;
}

@keyframes pulse {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}