body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.container {
    text-align: center;
}

.lotto-numbers {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    justify-content: center;
}

.lotto-numbers span {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    background-color: #fff;
    border: 1px solid #ccc;
}

#generate-btn {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}