 <li><a href="#in">Input field name</a></li><br/>
          <li><a href="#on">Output field name</a></li><br/>
          <li><a href="#pad">Padding value</a></li><br/>
          <li><a href="#cn">Cell to node</a></li><br/>
          <li><a href="#ca">Code Aster (UNV)</a></li><br/>
        </ul>
      </li>
    </ul>
    </nav>

    <article id="art"> 

    <h2 id="note"><input type="button" onclick="return toggleMe(this,'note')" class="btn" value="-"/> 0. Notation</h2>

    <div id="note">

    <p>In the ref