A bare minimum HTML page demonstrating use of CSS and JavaScript.

See also React Starter.

original dataset found here

https://networkrepository.com/soc-karate.php

code for network data parsing and mouseover interaction sourced from these examples below

https://observablehq.com/@d3/force-directed-graph

https://d3-graph-gallery.com/graph/network_basic.html

http://bl.ocks.org/eggchul/4f7b66224adecb2796f685447cd12448