html {
    background: #018DED url(https://unsplash.it/1500/1000?image=881&blur=50);
    background-size: cover;
    font-family: 'helvetica neue';
    text-align: center;
    font-size: 10px;
}
body {
    margin: 0;
    font-size: 2rem;
    display: flex;
    flex: 1;
    min-height: 100vh;
    align-items: center;
}


.clock {
    width: 30rem;
    height: 30rem;
    border: 20px solid white;
    border-radius: 50%;
    margin: 50px auto;
    position: relative;
    padding: 2rem;
    box-shadow:
            0 0 10rem rgba(0,0,0,0.2);
    background-image: radial-gradient(circle at center, black 8px, transparent 8px);
    background-size: 16px;
    background-position: center;
    background-repeat: no-repeat;
}

.clock-face {
    position: relative;
    width: 100%;
    height: 100%;
    transform: translateY(-3px); /* account for the height of the clock hands */
}

.inner-clock-face {
    position: relative;
    margin: auto auto;
    width: 20rem;
    height: 100%;
    transform: translateY(-1px); /* account for the different height of the hour clock hand */
}

.hand {
    width: 50%;
    height: 6px;
    background: black;
    position: absolute;
    top: 50%;
    transform-origin: 100%;
    transform: rotate(90deg);
    transition: all 0.5s;
    transition-timing-function: cubic-bezier(01, 2.7, 0.58, 1);
}

.second-hand {
    height: 4px;
}

.hour-hand {
    width: 10rem;
    height: 8px;
}