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

.container {
    text-align: center;
}

h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.lotto-number {
    background-color: #333;
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 0.5rem;
    font-size: 1.5rem;
}

#generate-btn {
    background-color: #4CAF50;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

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