resources

Difference Chart - Bostock
**graph and code example
http://bl.ocks.org/mbostock/3894205 


Difference Chart - d3noob
**graph, code, explanation example
http://www.d3noob.org/2015/07/difference-charts-with-d3js-science-vs.html


Filling an area under the graph - d3noob
**graph, code, explanation example
http://www.d3noob.org/2013/01/filling-area-under-graph.html


Adding axis labels to a graph  - d3noob
**graph, code, explanation example
http://www.d3noob.org/2012/12/adding-axis-labels-to-d3js-graph.html


Line chart with grid - Hunzy
**graph and code example
http://bl.ocks.org/hunzy/11110940


Formatting
**API
https://github.com/mbostock/d3/wiki/Time-Formatting
https://github.com/mbostock/d3/wiki/Formatting#d3_format


CSS double border with unique styling
**stackoverflow
http://stackoverflow.com/questions/19463904/css-double-border-with-different-color?lq=1


@font-face
**tutorial/info
what: allows custom fonts to be loaded onto webpage 
https://css-tricks.com/snippets/css/using-font-face/