body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #121212;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  flex-direction: column;
}

.container {
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.clock {
  font-size: 4rem;
  font-weight: bold;
  letter-spacing: 4px;
  padding: 20px 40px;
  background: #1f1f1f;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}