.circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-size: 32px;
  font-family: roboto, arial;
  color: white;
  line-height: 64px;
  text-align: center;
  background: blue;

  /*Align div in centre of page*/
  position: relative;
  top:0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}