body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  margin: 0;
  padding: 0;
}

.quiz-container {
  max-width: 600px;
  margin: 20px auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
}

h1 {
  color: #333;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
}

label {
  display: block;
  margin: 10px 0;
  font-size: 18px;
  cursor: pointer;
}

input[type="radio"] {
  margin-right: 10px;
}

input[type="email"] {
  width: 90%;
  padding: 10px;
  margin: 10px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  color: #fff;
  background: #007bff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

.hidden {
  display: none;
}