various font and colour fixes

Jacky Zhao

2021-12-26 6fbfa7170b17e062abd4c26e4b55a3934fb4ff1c

 layouts/partials/graph.html

@@ -185,7 +185,7 @@
  const labels = graphNode.append("text")
    .attr("dx", 12)
    .attr("dy", ".35em")
    .text((d) => content[d.id.replace("%20", "-")].title)
    .text((d) => content[d.id.replace("%20", "-")]?.title || "Untitled")
    .style("opacity", 0)
    .style("pointer-events", "none")
    .call(drag(simulation));