/**/
html {
  background:#018DED url(http://unsplash.it/1500/1000?image=368);
  background-size: cover;
  font-family:'helvetica neue';
  text-align: center;
  font-size: 10px;
}

body {
  font-size: 2rem;
  display: flex;
  flex: 1;
  min-height: 100vh;
  align-items: center; /*defines how the browser distributes space around flex items. Vertical alignment*/
}

.clock {
  width: 30rem;
  height: 30rem;
  border: 20px solid white; /* gives us a white square */
  border-radius: 50%; /* makes it a circle */
  margin: 50px auto; /* vertical | horizontal (auto centers us horizontally)*/
  position: relative; /*adjusts the elements position without changing layout*/
  padding: 2rem; /* interior padding to prevent clock hands from hitting the edge*/
  box-shadow:
    0 0 0 4px rgba(0,0,0,0.1), /*adds outer shadow*/
    inset 0 0 0 3px #EFEFEF, /* adds inner shadow */
    inset 0 0 10px black, /* adds another inner shadow */
    0 0 10px rgba(0,0,0,0.2); /* adds another outer shadow */
}

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

.hand {
  width: 50%;
  height: 6px;
  background: black;
  position: absolute; /* don't leave space for the element.Position at a specified position*/
  top: 50%; /* specifies postion between top margin edge of the element and the top edge of its containing block*/
  transform-origin: 100%; /*defaults to 50%. 100% puts pivot on the right hand side of the x-axis*/
  transform: rotate(90deg); /* sets default to be 12 noon*/
  transition: all 0.1s; /* sets length of our transitions*/
  transition-timing-function: cubic-bezier(0, 1.89, 0.58, 1); /* gives us the 'ticking' look*/
}

.hour-hand {
  width: 35%;
  margin-left: 45px;
}

.second-hand {
  height: 3px;
  background: white;
}