body {
  font-family: 'Arial', sans-serif;
  background-color: #f0f0f0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}


#myH\! {
  color: #333;
  font-size: 3rem;
  margin-bottom: 20px;
  text-shadow: 2px 2px 5px rgba(0,0,0,0.2);
}


#container {
  background-color: #fff;
  padding: 30px 50px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  text-align: center;
}


#display {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 25px;
  letter-spacing: 3px;
  color: #222;
  background-color: #e0e0e0;
  padding: 15px 30px;
  border-radius: 10px;
  box-shadow: inset 0 3px 6px rgba(0,0,0,0.1);
}


#controls button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 12px 25px;
  margin: 5px;
  font-size: 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
}

#controls button:hover {
  background-color: #45a049;
  transform: scale(1.05);
}

#controls button:active {
  transform: scale(0.95);
}


#stopBtn {
  background-color: #f44336;
}

#stopBtn:hover {
  background-color: #e53935;
}

#resetBtn {
  background-color: #2196F3;
}

#resetBtn:hover {
  background-color: #1e88e5;
}