body {
    background: black;
    color: white;
}

td {
    padding: 0px 10px;
}

#clock, #settings {
    position: absolute;
}

#clock {
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    text-align: center;
}

#settings {
    opacity: 0%;
    top: 60%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    transition-duration: 0.2s;
    letter-spacing: 1px;
}

#settings:hover {
    opacity: 100%;
}

#time {
    font-size: 60px;
    letter-spacing: 7px;
}

#labels {
    font-size: 20px;
    letter-spacing: 3px;
}

#life_expectancy, #birthday {
    color: white;
    background-color: black;
}

#life_expectancy {
    width: 50px;
}