.quiz-container {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  max-width: 600px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  font-family: Arial, sans-serif;
}

.question {
  margin-bottom: 20px;
}

.feedback {
  font-weight: bold;
  margin-top: 5px;
}

.correct {
  color: green;
}

.wrong {
  color: red;
}

#submitBtn {
  display: block;
  margin: 20px auto;
  padding: 10px 25px;
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#submitBtn:hover {
  background: #0056b3;
}

#result {
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  margin-top: 15px;
}