* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

.container {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  margin: 10px 5px;
  background: #007bff;
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.btn-primary {
  background: #28a745;
}

.back-link {
  color: #6c757d;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 20px;
}

#quiz-info label {
  display: block;
  margin: 15px 0;
}

#quiz-info input,
#quiz-info textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
}

.question-form {
  border: 1px solid #ddd;
  padding: 15px;
  margin: 15px 0;
  border-radius: 4px;
}