body {
    background-color: #121212;
    color: #fff;
    font-family: 'Helvetica Neue', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.number {
    background-color: #333;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    margin: 0 10px;
    animation: fadeIn 0.5s ease-in-out;
}

#generate-btn {
    background-color: #4CAF50;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 8px;
    border: none;
    transition: background-color 0.3s;
}

#generate-btn:hover {
    background-color: #45a049;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}