.list-nav a {
    margin: 0 0.75rem;
    text-decoration: strong;
    font-size: 16px; 
    color: #333;
    font-weight: 500;
    justify-content: space-between;
    padding: 0 1.5rem;
  }

  .list-nav a:hover {
    text-decoration: underline;
  }

@media only screen and (min-width: 400px) {
            .md {
                display: block;
            }
        }
        
@media (max-width: 400px) {

  /* Hide non-essential page elements */
  header,
  footer,
  nav,
  .quiz-logo-bar,
  .quiz-header {
    display: none;
  }

  /* Full-width layout */
  body {
    margin: 0;
    padding: 0;
    background: #eef2f7;
  }

  .main-body,
  .quiz-wrapper,
  .post-text{
    width: 100%;
    padding: 10px;
    margin: 0 auto;
  }

  .quiz-container {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
  }

  /* Center and scale tile content */
  .tile {
    padding: 16px;
  }

  .tile img {
    max-width: 100%;
    height: auto;
  }

  .question {
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .options label {
    font-size: 1rem;
    padding: 14px;
    margin-bottom: 10px;
  }

  /* Disable floating nav arrows */
  .nav-btn {
    position: static;
    transform: none;
    border-radius: 8px;
    padding: 14px 18px;
    font-size: 1rem;
  }

  /* Stack navigation buttons */
  .quiz-navigation {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-top: 20px;
  }

  #prevBtn,
  #nextBtn {
    width: 100%;
  }

}

@media (max-width: 768px) {
  .post-text {
    position: sticky;
    bottom: 0;
    background: #eef2f7;
    padding: 10px 0;
  }
}