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

.container {
    text-align: center;
}

button {
    padding: 10px 20px;
    font-size: 1.2em;
    cursor: pointer;
}

.numbers-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    margin: 5px;
    border-radius: 50%;
    font-size: 1.5em;
    color: white;
    font-weight: bold;
}

.color-1 { background-color: #FBC400; }
.color-2 { background-color: #69C8F2; }
.color-3 { background-color: #FF7272; }
.color-4 { background-color: #AAAAAA; }
.color-5 { background-color: #B0D840; }