.onderwerpen-a-z {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
  }
  
  .onderwerpen-letter-group h3 {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--primary-color);
  }
  
  .onderwerpen-letter-group ul {
    padding: 0;
    margin: 0;
  }
  
  .onderwerpen-letter-group li {
    margin-bottom: 6px;
  }

  .onderwerpen-letter-group li a {
    word-break: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
  }