machine:
  pre:
    - curl https://raw.githubusercontent.com/creationix/nvm/v0.25.3/install.sh | bash
  node:
    version: 4.2.1

machine:
  environment:
    CXX: g++-4.8
  pre:
    - curl https://raw.githubusercontent.com/creationix/nvm/v0.25.3/install.sh | bash
  node:
    version: 4.2.1

Set $CSS for Circle CI
Set $CSS for Circle CI
