body {
    font-family: 'Montserrat', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #1a1a1a;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23333333' fill-opacity='0.4' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

.container {
    text-align: center;
}

h1 {
    color: #fff;
    font-size: 3em;
    margin-bottom: 0.5em;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.machine {
    background-color: #2a2a2a;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 6px 6px rgba(0, 0, 0, 0.23);
    margin-bottom: 40px;
}

.numbers-container {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #3a3a3a;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.1);
}

#generator-btn {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    background-color: #4CAF50;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
    transition: all 0.3s ease-in-out;
}

#generator-btn:hover {
    background-color: #5cb85c;
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.8);
    transform: translateY(-2px);
}