body {
  background-color: black;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: Arial, sans-serif;
}

h1 {
  font-size: 80px;
  margin-bottom: 20px;
  letter-spacing: 5px;
  animation: fadeInOut 3s infinite;
}

#countdown {
  font-size: 40px;
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}