body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #2c3e50, #3498db);
  color: white;
}

.clock-container {
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

#clock {
  font-size: 4rem;
  margin-top: 10px;
  letter-spacing: 3px;
}