message: change positioning of hover state and font color
diff: @@ -156,8 +156,8 @@ function AtomTree(props) {
  .style('fill', 'white')
  .clone(true)
  .lower()
  - .attr('stroke', 'black')
  - .attr('stroke-width', 1);
  + .attr('stroke', '#646464')
  + .attr('stroke-width', 2);
  // adding a mouseOver event handler to each node
  // only add popup text on nodes with no children
  @@ -168,10 +168,10 @@ function AtomTree(props) {
  .append('text')
  .text(JSON.stringify(d.data, undefined, 2))
  .style('fill', 'white')
  - .attr('x', 200)
  - .attr('y', 50)
  + .attr('x', 75)
  + .attr('y', 60)
  .style('font-size', '3rem')
  - .attr('stroke', '#2bff00')
  + .attr('stroke', '#646464')
  .attr('id', `popup${i}`);
  }
  });
  