html {
  background:#018DED url(http://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 0 4px rgba(0,0,0,0.1),
    inset 0 0 0 3px #EFEFEF,
    inset 0 0 10px black,
    0 0 10px rgba(0,0,0,0.2);
}

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

.hand {
  width:50%;
  height:6px;
  background:black;
  position: absolute;
  top:50%;
  transform-origin: 100%;
  transform: rotate(90deg);
  border-radius: 3px;
}

.second-hand {
  background: crimson;
  transition: all 0.05s;
  transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
}

.hour-hand {
  background: mediumblue;
  width: 35%;
  left: 15%;
}

.noTransition {
  transition: none !important;
}