body {
    font-family: Arial, sans-serif;
    background-color: #f0f4f8;
    margin: 0;
    padding: 0;
  }
  
  .quizbox {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
  }
  
  h1 {
    text-align: center;
    color: #1E3A8A;
  }
  .question h3 {
    color: #1E3A8A;
  }
  
  .question {
    margin-bottom: 1.5rem;
  }
  
  label {
    display: block;
    margin: 0.5rem 0;
    color: #333;
  }
  
  button {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #1E3A8A;
    color: white;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
  }

  button:hover {
    background-color: #2563EB;
  }
  
  #result {
    text-align: center;
    margin-top: 1rem;
    font-size: 1.5rem;
    color: #16a34a;
  }