ul.flex-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    padding: 0;
    margin: 0;
    font-family: Arial, sans-serif;
  }

  ul.flex-list > li {
    background: #E0FFF5;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
    padding: 1rem 1.25rem;
    max-width: 340px;
    flex: 1 1 260px;
    list-style: none;
  }

  ul.flex-list > li h4 {
    color: #003366;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 0 0.5rem 0;
  }

  ul.flex-list > li ul {
    padding-left: 1.1em;
    margin: 0;
  }