Sloppy circles, uneven lines, poorly filled rectangles, slightly mismatched colors.
Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://d3js.org/colorbrewer.v1.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://d3js.org/colorbrewer.v1.min.js