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

.container {
    text-align: center;
}

#lotto-sets {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.lotto-set {
    display: flex;
    align-items: center;
    gap: 12px;
}

.set-label {
    font-weight: bold;
    font-size: 16px;
    width: 50px;
    text-align: right;
    color: #555;
}

.numbers {
    display: flex;
    gap: 10px;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

button {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    background-color: #4CAF50;
    color: white;
    border-radius: 5px;
}