body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    text-align: center;
  }
  
  .container {
    margin: 50px auto;
    padding: 20px;
    max-width: 500px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    color: #333;
  }
  
  .question-container {
    margin: 20px;
    padding: 10px;
    border: 2px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
  }
  
  button:hover {
    background-color: #0056b3;
  }