#timer {
  font-family: Arial, sans-serif;
  font-size: 20px;
  color: #FFFFFF;
  letter-spacing: -1px;
  margin: auto;
  width: 75%;
}
#timer span {
  font-size: 60px;
  color: #FFFFFF;
  margin: auto;
}
#timer span:first-child {
  margin: auto;
}