body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #1e1e1e;
  color: #00ffcc;
  font-family: 'Courier New', monospace;
}

.clock-container {
  text-align: center;
  background-color: #333;
  padding: 30px 50px;
  border-radius: 15px;
  box-shadow: 0 0 20px #00ffcc;
}

#clock {
  font-size: 3em;
  margin-top: 20px;
}