* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: black;
  color: white;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
  flex-direction: column;
}

h1 {
  font-size: 2.5rem;
  margin-top: 50px;
}

#countdown {
  font-size: 4rem;
  letter-spacing: 6px;
}

#countdown span {
  font-weight: bold;
}