Fix.

node_modules/cssstyle/lib/properties/borderStyle.js

@@ -1,38 +0,0 @@
-'use strict';
-
-var implicitSetter = require('../parsers').implicitSetter;
-
-// the valid border-styles:
-var styles = [
-  'none',
-  'hidden',
-  'dotted',
-  'dashed',
-  'solid',
-  'double',
-  'groove',
-  'ridge',
-  'inset',
-  'outset',
-];
-
-module.exports.isValid = function parse(v) {
-  return typeof v === 'string' && (v === '' || styles.indexOf(v) !== -1);
-};
-var isValid = module.exports.isValid;
-
-var parser = function(v) {
-  if (isValid(v)) {
-    return v.toLowerCase();
-  }
-  return undefined;
-};
-
-module.exports.definition = {
-  set: implicitSetter('border', 'style', isValid, parser),
-  get: function() {
-    return this.getPropertyValue('border-style');
-  },
-  enumerable: true,
-  configurable: true,
-};