body {
  background: #1e1e1e;
  color: #0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: monospace;
}

.clock-container {
  text-align: center;
  background: #333;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 0 15px #0f0;
}

h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.buttons button {
  padding: 10px 20px;
  margin: 0 10px;
  font-size: 1rem;
  background-color: #0f0;
  color: #000;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.buttons button:hover {
  background-color: #00ff99;
}