.countdown-timer {
  display: grid;
  grid-auto-flow: column;
  grid-gap: .5rem;
  justify-content: center;
}

.countdown-timer > div {
  display: grid;
  text-align: center;
  min-width: 2em;
}

.countdown-timer > div > span {
  font-size: var(--h4-font-size);
}

.countdown-timer small {
  text-transform: uppercase;
  font-size: .7rem;
}