Require the style folder exposed by package.json

requireCss.js

var path = require('path')

function requireCss (module) {
  var packagejson = module + '/package.json'
  var pathName = path.dirname(require.resolve(packagejson))
  var stylePath = require(packagejson).style
  var style = path.join(pathName, stylePath)
  return {
    style: style,
    path: path.dirname(style)
  }
}

module.exports = requireCss