constructor(root, options) {
    super(root);
    options = options || {};
    this.compress = options.compress;
    this.firebug = options.firebug;
    this.linenos = options.linenos;
    this.spaces = options['indent spaces'] || 2;
    this.indents = 1;
    this.stack = [];
  }
Initialize a new `Compiler` with the given `root` Node
and the following `options`.

Options:

  - `compress`  Compress the CSS output (default: false)

@param {Node} root
@api public