body {
  font-family: 'Arial', sans-serif;
  background-color: black;
  color: red;
  text-align: center;
}

.countdown-container,h1 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin-top: 100px;
  gap: 20px;
}

h1 {
  font-size: 3em;
  font-weight: bold;
}

.countdown-el {
  text-align: center;
  margin: 0 20px;
  font-size: 2em;
  font-weight: bold;
}

.big-text {
  font-size: 80px;
  font-weight: bold;
}

span {
  font-size: 24px;
  margin-top: 10px;
}

@media (max-width: 768px) {
  h1 {
    font-size: 60px;
  }

  .big-text {
    font-size: 50px;
  }

  span {
    font-size: 18px;
  }

  .countdown-container {
    margin-top: 50px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 40px;
  }

  .big-text {
    font-size: 30px;
  }

  span {
    font-size: 14px;
  }

  .countdown-el {
    margin: 0 10px;
  }

  .countdown-container {
    margin-top: 30px;
  }
}