body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin-top: 50px;
  background-color: #f8f9fa;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin: 10px 5px;
  cursor: pointer;
}

input[type="text"] {
  padding: 10px;
  font-size: 16px;
  width: 250px;
}

#result {
  margin-top: 20px;
  font-size: 20px;
  font-weight: bold;
}

.question {
  margin-top: 20px;
}

#credits {
  margin-top: 40px;
  font-size: 18px;
}