#clock-block {
    display: flex;
    align-items: center;
}

#clock {
    height: 1.3rem;
    width: 1.3rem;
    border-radius: 1.3rem;
    border: 1px solid black;
    margin: 0 4px 2px 0;
}
body.bg-black #clock {border: 1px solid white;}