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

body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Arial', sans-serif;
  color: white;
}

.countdown-container {
  text-align: center;
  padding: 2rem;
}

#countdown-display {
  font-size: 3rem;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
}

@media (max-width: 768px) {
  #countdown-display {
    font-size: 2rem;
  }
}