body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin-top: 100px;
  background-color: #f9f9f9; 
}

#output {
  font-size: 24px;
  color: #333;
  padding: 20px;
  border: 2px solid #333;
  border-radius: 10px;
  display: inline-block;
  min-width: 300px;
  background-color: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

#startButton {
  padding: 10px 20px;
  font-size: 18px;
  color: white;
  background-color: #007bff; 
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#startButton:hover {
  background-color: #0056b3; 
}