.quiz-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f2f2f2;
  border-radius: 5px;
}

/* h1 {
  text-align: center;
}

button {
  display: block;
  margin: 0 auto;
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #3e8e41;
}
 */
.correct {
  background-color: #4CAF50;
  color: white;
}

.incorrect {
  background-color: #f44336;
  color: white;
}