section.big-counter {
  --teal: #16A3B8;
}

section.big-counter .countdown {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  max-width: 640px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  section.big-counter .countdown {
    width: 100%;
  }
}

section.big-counter .countdown-part {
  display: block;
  text-align: center;
}

section.big-counter .countdown .value {
  display: block;
  width: 100%;
  font-size: 5rem;
  font-weight: 700;
}
@media (max-width: 640px) {
  section.big-counter .countdown .value {
    font-size: 4rem;
  }
}
@media (max-width: 560px) {
  section.big-counter .countdown .value {
    font-size: 3rem;
  }
}
@media (max-width: 480px) {
  section.big-counter .countdown .value {
    font-size: 2rem;
  }
}

section.big-counter .countdown .label {
  display: block;
  width: 100%;
  font-size: 1rem;
  font-weight: 500;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 3px;
}
@media (max-width: 640px) {
  section.big-counter .countdown .label {
    font-size: 0.92rem;
    letter-spacing: 2px;
  }
}
@media (max-width: 560px) {
  section.big-counter .countdown .label {
    font-size: 0.84rem;
    letter-spacing: 1.5px;
  }
}
@media (max-width: 480px) {
  section.big-counter .countdown .label {
    font-size: 0.74rem;
    letter-spacing: 1px;
  }
}