This example shows how to use the conicConformalEurope projection from d3-composite-projections.
Modified http://d3js.org/d3.v3.min.js to a secure url
Modified http://d3js.org/topojson.v1.min.js to a secure url
Updated missing url https://cdn.rawgit.com/rveciana/d3-composite-projections/master/src/conicConformalEurope-proj.js to https://cdn.jsdelivr.net/gh/rveciana/d3-composite-projections/src/conicconformaleurope-proj.js
https://d3js.org/d3.v3.min.js
https://d3js.org/topojson.v1.min.js
https://cdn.rawgit.com/rveciana/d3-composite-projections/master/src/conicConformalEurope-proj.js