* {
    padding: 0;
    margin: 0;
}

time {
    font-size: 100px;
}

p, .container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 100px;
}

p {
    font-size: 50px;
}

@media all and (max-width: 500px) {
    time, .container {
        font-size: 50px;
    }

    p {
        font-size: 20px;
    }
}