body {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f0f0f0;
}

.timer {
    font-size: 10vw;
    text-align: center;
}

.message {
    font-size: 2vw;
    text-align: center;
    margin-top: 20px;
    color: #333;
}