title: D3.js: How to change the position of a text in one single node
body: <p>I need to change the position of a text in the root node to be visible.
  I have a D3 structure and I would like to be able to point one single root node and change the text position. My root node text is not visible and I would like to put it underneath and showed.  </p>
  
  <p>I'm showing here a screenshot of my issue:</p>
  
  <p><a href="https://i.stack.imgur.com/dSs3G.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dSs3G.png" alt="enter image description here"></a>  </p>