#questionnaire-container {
  margin-top: 10%;
  margin-inline: 5%;
}

  h2 {
    margin-bottom: 1rem;
    text-align: center;
  }
  
  .group {
    margin: 1.5rem 0;
    text-align: center;
  }
  
  button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    background: linear-gradient(0.32turn, #17c0ef, #3191f1);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
  }
  
  button:hover {
    background: #1b5ce8;
  }
  
  .hidden {
    display: none;
  }
  
  .questionnaire-letter {
    margin-top: 0.5rem;
    text-align: center;
  }

  .bold {
    font-weight: bold;
  }