clear

node_modules/clean-css/lib/properties/break-up.js

@@ -0,0 +1,335 @@
+var wrapSingle = require('./wrap-for-optimizing').single;
+var InvalidPropertyError = require('./invalid-property-error');
+
+var split = require('../utils/split');
+var MULTIPLEX_SEPARATOR = ',';
+
+function _colorFilter(validator) {
+  return function (value) {
+    return value[0] == 'invert' || validator.isValidColor(value[0]);
+  };
+}
+
+function _styleFilter(validator) {
+  return function (value) {
+    return value[0] != 'inherit' && validator.isValidStyle(value[0]) && !validator.isValidColorValue(value[0]);
+  };
+}
+
+function _wrapDefault(name, property, compactable) {
+  var descriptor = compactable[name];
+  if (descriptor.doubleValues && descriptor.defaultValue.length == 2)
+    return wrapSingle([[name, property.important], [descriptor.defaultValue[0]], [descriptor.defaultValue[1]]]);
+  else if (descriptor.doubleValues && descriptor.defaultValue.length == 1)
+    return wrapSingle([[name, property.important], [descriptor.defaultValue[0]]]);
+  else
+    return wrapSingle([[name, property.important], [descriptor.defaultValue]]);
+}
+
+function _widthFilter(validator) {
+  return function (value) {
+    return value[0] != 'inherit' && validator.isValidWidth(value[0]) && !validator.isValidStyleKeyword(value[0]) && !validator.isValidColorValue(value[0]);
+  };
+}
+
+function background(property, compactable, validator) {
+  var image = _wrapDefault('background-image', property, compactable);
+  var position = _wrapDefault('background-position', property, compactable);
+  var size = _wrapDefault('background-size', property, compactable);
+  var repeat = _wrapDefault('background-repeat', property, compactable);
+  var attachment = _wrapDefault('background-attachment', property, compactable);
+  var origin = _wrapDefault('background-origin', property, compactable);
+  var clip = _wrapDefault('background-clip', property, compactable);
+  var color = _wrapDefault('background-color', property, compactable);
+  var components = [image, position, size, repeat, attachment, origin, clip, color];
+  var values = property.value;
+
+  var positionSet = false;
+  var clipSet = false;
+  var originSet = false;
+  var repeatSet = false;
+
+  if (property.value.length == 1 && property.value[0][0] == 'inherit') {
+    // NOTE: 'inherit' is not a valid value for background-attachment
+    color.value = image.value =  repeat.value = position.value = size.value = origin.value = clip.value = property.value;
+    return components;
+  }
+
+  for (var i = values.length - 1; i >= 0; i--) {
+    var value = values[i];
+
+    if (validator.isValidBackgroundAttachment(value[0])) {
+      attachment.value = [value];
+    } else if (validator.isValidBackgroundBox(value[0])) {
+      if (clipSet) {
+        origin.value = [value];
+        originSet = true;
+      } else {
+        clip.value = [value];
+        clipSet = true;
+      }
+    } else if (validator.isValidBackgroundRepeat(value[0])) {
+      if (repeatSet) {
+        repeat.value.unshift(value);
+      } else {
+        repeat.value = [value];
+        repeatSet = true;
+      }
+    } else if (validator.isValidBackgroundPositionPart(value[0]) || validator.isValidBackgroundSizePart(value[0])) {
+      if (i > 0) {
+        var previousValue = values[i - 1];
+
+        if (previousValue[0].indexOf('/') > 0) {
+          var twoParts = split(previousValue[0], '/');
+          // NOTE: we do this slicing as value may contain metadata too, like for source maps
+          size.value = [[twoParts.pop()].concat(previousValue.slice(1)), value];
+          values[i - 1] = [twoParts.pop()].concat(previousValue.slice(1));
+        } else if (i > 1 && values[i - 2][0] == '/') {
+          size.value = [previousValue, value];
+          i -= 2;
+        } else if (previousValue[0] == '/') {
+          size.value = [value];
+        } else {
+          if (!positionSet)
+            position.value = [];
+
+          position.value.unshift(value);
+          positionSet = true;
+        }
+      } else {
+        if (!positionSet)
+          position.value = [];
+
+        position.value.unshift(value);
+        positionSet = true;
+      }
+    } else if (validator.isValidBackgroundPositionAndSize(value[0])) {
+      var sizeValue = split(value[0], '/');
+      // NOTE: we do this slicing as value may contain metadata too, like for source maps
+      size.value = [[sizeValue.pop()].concat(value.slice(1))];
+      position.value = [[sizeValue.pop()].concat(value.slice(1))];
+    } else if ((color.value[0][0] == compactable[color.name].defaultValue || color.value[0][0] == 'none') && validator.isValidColor(value[0])) {
+      color.value = [value];
+    } else if (validator.isValidUrl(value[0]) || validator.isValidFunction(value[0])) {
+      image.value = [value];
+    }
+  }
+
+  if (clipSet && !originSet)
+    origin.value = clip.value.slice(0);
+
+  return components;
+}
+
+function borderRadius(property, compactable) {
+  var values = property.value;
+  var splitAt = -1;
+
+  for (var i = 0, l = values.length; i < l; i++) {
+    if (values[i][0] == '/') {
+      splitAt = i;
+      break;
+    }
+  }
+
+  if (splitAt === 0 || splitAt === values.length - 1) {
+    throw new InvalidPropertyError('Invalid border-radius value.');
+  }
+
+  var target = _wrapDefault(property.name, property, compactable);
+  target.value = splitAt > -1 ?
+    values.slice(0, splitAt) :
+    values.slice(0);
+  target.components = fourValues(target, compactable);
+
+  var remainder = _wrapDefault(property.name, property, compactable);
+  remainder.value = splitAt > -1 ?
+    values.slice(splitAt + 1) :
+    values.slice(0);
+  remainder.components = fourValues(remainder, compactable);
+
+  for (var j = 0; j < 4; j++) {
+    target.components[j].multiplex = true;
+    target.components[j].value = target.components[j].value.concat(remainder.components[j].value);
+  }
+
+  return target.components;
+}
+
+function fourValues(property, compactable) {
+  var componentNames = compactable[property.name].components;
+  var components = [];
+  var value = property.value;
+
+  if (value.length < 1)
+    return [];
+
+  if (value.length < 2)
+    value[1] = value[0].slice(0);
+  if (value.length < 3)
+    value[2] = value[0].slice(0);
+  if (value.length < 4)
+    value[3] = value[1].slice(0);
+
+  for (var i = componentNames.length - 1; i >= 0; i--) {
+    var component = wrapSingle([[componentNames[i], property.important]]);
+    component.value = [value[i]];
+    components.unshift(component);
+  }
+
+  return components;
+}
+
+function multiplex(splitWith) {
+  return function (property, compactable, validator) {
+    var splitsAt = [];
+    var values = property.value;
+    var i, j, l, m;
+
+    // find split commas
+    for (i = 0, l = values.length; i < l; i++) {
+      if (values[i][0] == ',')
+        splitsAt.push(i);
+    }
+
+    if (splitsAt.length === 0)
+      return splitWith(property, compactable, validator);
+
+    var splitComponents = [];
+
+    // split over commas, and into components
+    for (i = 0, l = splitsAt.length; i <= l; i++) {
+      var from = i === 0 ? 0 : splitsAt[i - 1] + 1;
+      var to = i < l ? splitsAt[i] : values.length;
+
+      var _property = _wrapDefault(property.name, property, compactable);
+      _property.value = values.slice(from, to);
+
+      splitComponents.push(splitWith(_property, compactable, validator));
+    }
+
+    var components = splitComponents[0];
+
+    // group component values from each split
+    for (i = 0, l = components.length; i < l; i++) {
+      components[i].multiplex = true;
+
+      for (j = 1, m = splitComponents.length; j < m; j++) {
+        components[i].value.push([MULTIPLEX_SEPARATOR]);
+        Array.prototype.push.apply(components[i].value, splitComponents[j][i].value);
+      }
+    }
+
+    return components;
+  };
+}
+
+function listStyle(property, compactable, validator) {
+  var type = _wrapDefault('list-style-type', property, compactable);
+  var position = _wrapDefault('list-style-position', property, compactable);
+  var image = _wrapDefault('list-style-image', property, compactable);
+  var components = [type, position, image];
+
+  if (property.value.length == 1 && property.value[0][0] == 'inherit') {
+    type.value = position.value = image.value = [property.value[0]];
+    return components;
+  }
+
+  var values = property.value.slice(0);
+  var total = values.length;
+  var index = 0;
+
+  // `image` first...
+  for (index = 0, total = values.length; index < total; index++) {
+    if (validator.isValidUrl(values[index][0]) || values[index][0] == '0') {
+      image.value = [values[index]];
+      values.splice(index, 1);
+      break;
+    }
+  }
+
+  // ... then `type`...
+  for (index = 0, total = values.length; index < total; index++) {
+    if (validator.isValidListStyleType(values[index][0])) {
+      type.value = [values[index]];
+      values.splice(index, 1);
+      break;
+    }
+  }
+
+  // ... and what's left is a `position`
+  if (values.length > 0 && validator.isValidListStylePosition(values[0][0]))
+    position.value = [values[0]];
+
+  return components;
+}
+
+function widthStyleColor(property, compactable, validator) {
+  var descriptor = compactable[property.name];
+  var components = [
+    _wrapDefault(descriptor.components[0], property, compactable),
+    _wrapDefault(descriptor.components[1], property, compactable),
+    _wrapDefault(descriptor.components[2], property, compactable)
+  ];
+  var color, style, width;
+
+  for (var i = 0; i < 3; i++) {
+    var component = components[i];
+
+    if (component.name.indexOf('color') > 0)
+      color = component;
+    else if (component.name.indexOf('style') > 0)
+      style = component;
+    else
+      width = component;
+  }
+
+  if ((property.value.length == 1 && property.value[0][0] == 'inherit') ||
+      (property.value.length == 3 && property.value[0][0] == 'inherit' && property.value[1][0] == 'inherit' && property.value[2][0] == 'inherit')) {
+    color.value = style.value = width.value = [property.value[0]];
+    return components;
+  }
+
+  var values = property.value.slice(0);
+  var match, matches;
+
+  // NOTE: usually users don't follow the required order of parts in this shorthand,
+  // so we'll try to parse it caring as little about order as possible
+
+  if (values.length > 0) {
+    matches = values.filter(_widthFilter(validator));
+    match = matches.length > 1 && (matches[0][0] == 'none' || matches[0][0] == 'auto') ? matches[1] : matches[0];
+    if (match) {
+      width.value = [match];
+      values.splice(values.indexOf(match), 1);
+    }
+  }
+
+  if (values.length > 0) {
+    match = values.filter(_styleFilter(validator))[0];
+    if (match) {
+      style.value = [match];
+      values.splice(values.indexOf(match), 1);
+    }
+  }
+
+  if (values.length > 0) {
+    match = values.filter(_colorFilter(validator))[0];
+    if (match) {
+      color.value = [match];
+      values.splice(values.indexOf(match), 1);
+    }
+  }
+
+  return components;
+}
+
+module.exports = {
+  background: background,
+  border: widthStyleColor,
+  borderRadius: borderRadius,
+  fourValues: fourValues,
+  listStyle: listStyle,
+  multiplex: multiplex,
+  outline: widthStyleColor
+};

node_modules/clean-css/lib/properties/can-override.js

@@ -0,0 +1,142 @@
+// Functions that decide what value can override what.
+// The main purpose is to disallow removing CSS fallbacks.
+// A separate implementation is needed for every different kind of CSS property.
+// -----
+// The generic idea is that properties that have wider browser support are 'more understandable'
+// than others and that 'less understandable' values can't override more understandable ones.
+
+// Use when two tokens of the same property can always be merged
+function always() {
+  return true;
+}
+
+function alwaysButIntoFunction(property1, property2, validator) {
+  var value1 = property1.value[0][0];
+  var value2 = property2.value[0][0];
+
+  var validFunction1 = validator.isValidFunction(value1);
+  var validFunction2 = validator.isValidFunction(value2);
+
+  if (validFunction1 && validFunction2) {
+    return validator.areSameFunction(value1, value2);
+  } else if (!validFunction1 && validFunction2) {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+function backgroundImage(property1, property2, validator) {
+  // The idea here is that 'more understandable' values override 'less understandable' values, but not vice versa
+  // Understandability: (none | url | inherit) > (same function) > (same value)
+
+  // (none | url)
+  var image1 = property1.value[0][0];
+  var image2 = property2.value[0][0];
+
+  if (image2 == 'none' || image2 == 'inherit' || validator.isValidUrl(image2))
+    return true;
+  if (image1 == 'none' || image1 == 'inherit' || validator.isValidUrl(image1))
+    return false;
+
+  // Functions with the same name can override each other; same values can override each other
+  return sameFunctionOrValue(property1, property2, validator);
+}
+
+function border(property1, property2, validator) {
+  return color(property1.components[2], property2.components[2], validator);
+}
+
+// Use for color properties (color, background-color, border-color, etc.)
+function color(property1, property2, validator) {
+  // The idea here is that 'more understandable' values override 'less understandable' values, but not vice versa
+  // Understandability: (hex | named) > (rgba | hsla) > (same function name) > anything else
+  // NOTE: at this point rgb and hsl are replaced by hex values by clean-css
+
+  var color1 = property1.value[0][0];
+  var color2 = property2.value[0][0];
+
+  if (!validator.colorOpacity && (validator.isValidRgbaColor(color1) || validator.isValidHslaColor(color1)))
+    return false;
+  if (!validator.colorOpacity && (validator.isValidRgbaColor(color2) || validator.isValidHslaColor(color2)))
+    return false;
+
+  // (hex | named)
+  if (validator.isValidNamedColor(color2) || validator.isValidHexColor(color2))
+    return true;
+  if (validator.isValidNamedColor(color1) || validator.isValidHexColor(color1))
+    return false;
+
+  // (rgba|hsla)
+  if (validator.isValidRgbaColor(color2) || validator.isValidHslaColor(color2))
+    return true;
+  if (validator.isValidRgbaColor(color1) || validator.isValidHslaColor(color1))
+    return false;
+
+  // Functions with the same name can override each other; same values can override each other
+  return sameFunctionOrValue(property1, property2, validator);
+}
+
+function twoOptionalFunctions(property1, property2, validator) {
+  var value1 = property1.value[0][0];
+  var value2 = property2.value[0][0];
+
+  return !(validator.isValidFunction(value1) ^ validator.isValidFunction(value2));
+}
+
+function sameValue(property1, property2) {
+  var value1 = property1.value[0][0];
+  var value2 = property2.value[0][0];
+
+  return value1 === value2;
+}
+
+function sameFunctionOrValue(property1, property2, validator) {
+  var value1 = property1.value[0][0];
+  var value2 = property2.value[0][0];
+
+  // Functions with the same name can override each other
+  if (validator.areSameFunction(value1, value2))
+    return true;
+
+  return value1 === value2;
+}
+
+// Use for properties containing CSS units (margin-top, padding-left, etc.)
+function unit(property1, property2, validator) {
+  // The idea here is that 'more understandable' values override 'less understandable' values, but not vice versa
+  // Understandability: (unit without functions) > (same functions | standard functions) > anything else
+  // NOTE: there is no point in having different vendor-specific functions override each other or standard functions,
+  //       or having standard functions override vendor-specific functions, but standard functions can override each other
+  // NOTE: vendor-specific property values are not taken into consideration here at the moment
+  var value1 = property1.value[0][0];
+  var value2 = property2.value[0][0];
+
+  if (validator.isValidAndCompatibleUnitWithoutFunction(value1) && !validator.isValidAndCompatibleUnitWithoutFunction(value2))
+    return false;
+
+  if (validator.isValidUnitWithoutFunction(value2))
+    return true;
+  if (validator.isValidUnitWithoutFunction(value1))
+    return false;
+
+  // Standard non-vendor-prefixed functions can override each other
+  if (validator.isValidFunctionWithoutVendorPrefix(value2) && validator.isValidFunctionWithoutVendorPrefix(value1)) {
+    return true;
+  }
+
+  // Functions with the same name can override each other; same values can override each other
+  return sameFunctionOrValue(property1, property2, validator);
+}
+
+module.exports = {
+  always: always,
+  alwaysButIntoFunction: alwaysButIntoFunction,
+  backgroundImage: backgroundImage,
+  border: border,
+  color: color,
+  sameValue: sameValue,
+  sameFunctionOrValue: sameFunctionOrValue,
+  twoOptionalFunctions: twoOptionalFunctions,
+  unit: unit
+};

node_modules/clean-css/lib/properties/clone.js

@@ -0,0 +1,26 @@
+var wrapSingle = require('./wrap-for-optimizing').single;
+
+function deep(property) {
+  var cloned = shallow(property);
+  for (var i = property.components.length - 1; i >= 0; i--) {
+    var component = shallow(property.components[i]);
+    component.value = property.components[i].value.slice(0);
+    cloned.components.unshift(component);
+  }
+
+  cloned.dirty = true;
+  cloned.value = property.value.slice(0);
+
+  return cloned;
+}
+
+function shallow(property) {
+  var cloned = wrapSingle([[property.name, property.important, property.hack]]);
+  cloned.unused = false;
+  return cloned;
+}
+
+module.exports = {
+  deep: deep,
+  shallow: shallow
+};

node_modules/clean-css/lib/properties/compactable.js

@@ -0,0 +1,285 @@
+// Contains the interpretation of CSS properties, as used by the property optimizer
+
+var breakUp = require('./break-up');
+var canOverride = require('./can-override');
+var restore = require('./restore');
+
+// Properties to process
+// Extend this object in order to add support for more properties in the optimizer.
+//
+// Each key in this object represents a CSS property and should be an object.
+// Such an object contains properties that describe how the represented CSS property should be handled.
+// Possible options:
+//
+// * components: array (Only specify for shorthand properties.)
+//   Contains the names of the granular properties this shorthand compacts.
+//
+// * canOverride: function (Default is canOverride.sameValue - meaning that they'll only be merged if they have the same value.)
+//   Returns whether two tokens of this property can be merged with each other.
+//   This property has no meaning for shorthands.
+//
+// * defaultValue: string
+//   Specifies the default value of the property according to the CSS standard.
+//   For shorthand, this is used when every component is set to its default value, therefore it should be the shortest possible default value of all the components.
+//
+// * shortestValue: string
+//   Specifies the shortest possible value the property can possibly have.
+//   (Falls back to defaultValue if unspecified.)
+//
+// * breakUp: function (Only specify for shorthand properties.)
+//   Breaks the shorthand up to its components.
+//
+// * restore: function (Only specify for shorthand properties.)
+//   Puts the shorthand together from its components.
+//
+var compactable = {
+  'color': {
+    canOverride: canOverride.color,
+    defaultValue: 'transparent',
+    shortestValue: 'red'
+  },
+  'background': {
+    components: [
+      'background-image',
+      'background-position',
+      'background-size',
+      'background-repeat',
+      'background-attachment',
+      'background-origin',
+      'background-clip',
+      'background-color'
+    ],
+    breakUp: breakUp.multiplex(breakUp.background),
+    defaultValue: '0 0',
+    restore: restore.multiplex(restore.background),
+    shortestValue: '0',
+    shorthand: true
+  },
+  'background-clip': {
+    canOverride: canOverride.always,
+    defaultValue: 'border-box',
+    shortestValue: 'border-box'
+  },
+  'background-color': {
+    canOverride: canOverride.color,
+    defaultValue: 'transparent',
+    multiplexLastOnly: true,
+    nonMergeableValue: 'none',
+    shortestValue: 'red'
+  },
+  'background-image': {
+    canOverride: canOverride.backgroundImage,
+    defaultValue: 'none'
+  },
+  'background-origin': {
+    canOverride: canOverride.always,
+    defaultValue: 'padding-box',
+    shortestValue: 'border-box'
+  },
+  'background-repeat': {
+    canOverride: canOverride.always,
+    defaultValue: ['repeat'],
+    doubleValues: true
+  },
+  'background-position': {
+    canOverride: canOverride.alwaysButIntoFunction,
+    defaultValue: ['0', '0'],
+    doubleValues: true,
+    shortestValue: '0'
+  },
+  'background-size': {
+    canOverride: canOverride.alwaysButIntoFunction,
+    defaultValue: ['auto'],
+    doubleValues: true,
+    shortestValue: '0 0'
+  },
+  'background-attachment': {
+    canOverride: canOverride.always,
+    defaultValue: 'scroll'
+  },
+  'border': {
+    breakUp: breakUp.border,
+    canOverride: canOverride.border,
+    components: [
+      'border-width',
+      'border-style',
+      'border-color'
+    ],
+    defaultValue: 'none',
+    restore: restore.withoutDefaults,
+    shorthand: true
+  },
+  'border-color': {
+    canOverride: canOverride.color,
+    defaultValue: 'none',
+    shorthand: true
+  },
+  'border-style': {
+    canOverride: canOverride.always,
+    defaultValue: 'none',
+    shorthand: true
+  },
+  'border-width': {
+    canOverride: canOverride.unit,
+    defaultValue: 'medium',
+    shortestValue: '0',
+    shorthand: true
+  },
+  'list-style': {
+    components: [
+      'list-style-type',
+      'list-style-position',
+      'list-style-image'
+    ],
+    canOverride: canOverride.always,
+    breakUp: breakUp.listStyle,
+    restore: restore.withoutDefaults,
+    defaultValue: 'outside', // can't use 'disc' because that'd override default 'decimal' for <ol>
+    shortestValue: 'none',
+    shorthand: true
+  },
+  'list-style-type' : {
+    canOverride: canOverride.always,
+    defaultValue: '__hack',
+    // NOTE: we can't tell the real default value here, it's 'disc' for <ul> and 'decimal' for <ol>
+    //       -- this is a hack, but it doesn't matter because this value will be either overridden or it will disappear at the final step anyway
+    shortestValue: 'none'
+  },
+  'list-style-position' : {
+    canOverride: canOverride.always,
+    defaultValue: 'outside',
+    shortestValue: 'inside'
+  },
+  'list-style-image' : {
+    canOverride: canOverride.always,
+    defaultValue: 'none'
+  },
+  'outline': {
+    components: [
+      'outline-color',
+      'outline-style',
+      'outline-width'
+    ],
+    breakUp: breakUp.outline,
+    restore: restore.withoutDefaults,
+    defaultValue: '0',
+    shorthand: true
+  },
+  'outline-color': {
+    canOverride: canOverride.color,
+    defaultValue: 'invert',
+    shortestValue: 'red'
+  },
+  'outline-style': {
+    canOverride: canOverride.always,
+    defaultValue: 'none'
+  },
+  'outline-width': {
+    canOverride: canOverride.unit,
+    defaultValue: 'medium',
+    shortestValue: '0'
+  },
+  '-moz-transform': {
+    canOverride: canOverride.sameFunctionOrValue
+  },
+  '-ms-transform': {
+    canOverride: canOverride.sameFunctionOrValue
+  },
+  '-webkit-transform': {
+    canOverride: canOverride.sameFunctionOrValue
+  },
+  'transform': {
+    canOverride: canOverride.sameFunctionOrValue
+  }
+};
+
+var addFourValueShorthand = function (prop, components, options) {
+  options = options || {};
+  compactable[prop] = {
+    canOverride: options.canOverride,
+    components: components,
+    breakUp: options.breakUp || breakUp.fourValues,
+    defaultValue: options.defaultValue || '0',
+    restore: options.restore || restore.fourValues,
+    shortestValue: options.shortestValue,
+    shorthand: true
+  };
+  for (var i = 0; i < components.length; i++) {
+    compactable[components[i]] = {
+      breakUp: options.breakUp || breakUp.fourValues,
+      canOverride: options.canOverride || canOverride.unit,
+      defaultValue: options.defaultValue || '0',
+      shortestValue: options.shortestValue
+    };
+  }
+};
+
+['', '-moz-', '-o-', '-webkit-'].forEach(function (prefix) {
+  addFourValueShorthand(prefix + 'border-radius', [
+    prefix + 'border-top-left-radius',
+    prefix + 'border-top-right-radius',
+    prefix + 'border-bottom-right-radius',
+    prefix + 'border-bottom-left-radius'
+  ], {
+    breakUp: breakUp.borderRadius,
+    restore: restore.borderRadius
+  });
+});
+
+addFourValueShorthand('border-color', [
+  'border-top-color',
+  'border-right-color',
+  'border-bottom-color',
+  'border-left-color'
+], {
+  breakUp: breakUp.fourValues,
+  canOverride: canOverride.color,
+  defaultValue: 'none',
+  shortestValue: 'red'
+});
+
+addFourValueShorthand('border-style', [
+  'border-top-style',
+  'border-right-style',
+  'border-bottom-style',
+  'border-left-style'
+], {
+  breakUp: breakUp.fourValues,
+  canOverride: canOverride.always,
+  defaultValue: 'none'
+});
+
+addFourValueShorthand('border-width', [
+  'border-top-width',
+  'border-right-width',
+  'border-bottom-width',
+  'border-left-width'
+], {
+  defaultValue: 'medium',
+  shortestValue: '0'
+});
+
+addFourValueShorthand('padding', [
+  'padding-top',
+  'padding-right',
+  'padding-bottom',
+  'padding-left'
+]);
+
+addFourValueShorthand('margin', [
+  'margin-top',
+  'margin-right',
+  'margin-bottom',
+  'margin-left'
+]);
+
+// Adds `componentOf` field to all longhands
+for (var property in compactable) {
+  if (compactable[property].shorthand) {
+    for (var i = 0, l = compactable[property].components.length; i < l; i++) {
+      compactable[compactable[property].components[i]].componentOf = property;
+    }
+  }
+}
+
+module.exports = compactable;

node_modules/clean-css/lib/properties/every-combination.js

@@ -0,0 +1,28 @@
+var shallowClone = require('./clone').shallow;
+
+var MULTIPLEX_SEPARATOR = ',';
+
+function everyCombination(fn, left, right, validator) {
+  var samePositon = !left.shorthand && !right.shorthand && !left.multiplex && !right.multiplex;
+  var _left = shallowClone(left);
+  var _right = shallowClone(right);
+
+  for (var i = 0, l = left.value.length; i < l; i++) {
+    for (var j = 0, m = right.value.length; j < m; j++) {
+      if (left.value[i][0] == MULTIPLEX_SEPARATOR || right.value[j][0] == MULTIPLEX_SEPARATOR)
+        continue;
+
+      if (samePositon && i != j)
+        continue;
+
+      _left.value = [left.value[i]];
+      _right.value = [right.value[j]];
+      if (!fn(_left, _right, validator))
+        return false;
+    }
+  }
+
+  return true;
+}
+
+module.exports = everyCombination;

node_modules/clean-css/lib/properties/has-inherit.js

@@ -0,0 +1,10 @@
+function hasInherit(property) {
+  for (var i = property.value.length - 1; i >= 0; i--) {
+    if (property.value[i][0] == 'inherit')
+      return true;
+  }
+
+  return false;
+}
+
+module.exports = hasInherit;

node_modules/clean-css/lib/properties/invalid-property-error.js

@@ -0,0 +1,10 @@
+function InvalidPropertyError(message) {
+  this.name = 'InvalidPropertyError';
+  this.message = message;
+  this.stack = (new Error()).stack;
+}
+
+InvalidPropertyError.prototype = Object.create(Error.prototype);
+InvalidPropertyError.prototype.constructor = InvalidPropertyError;
+
+module.exports = InvalidPropertyError;

node_modules/clean-css/lib/properties/optimizer.js

@@ -0,0 +1,215 @@
+var compactable = require('./compactable');
+var wrapForOptimizing = require('./wrap-for-optimizing').all;
+var populateComponents = require('./populate-components');
+var compactOverrides = require('./override-compactor');
+var compactShorthands = require('./shorthand-compactor');
+var removeUnused = require('./remove-unused');
+var restoreFromOptimizing = require('./restore-from-optimizing');
+var stringifyProperty = require('../stringifier/one-time').property;
+
+var shorthands = {
+  'animation-delay': ['animation'],
+  'animation-direction': ['animation'],
+  'animation-duration': ['animation'],
+  'animation-fill-mode': ['animation'],
+  'animation-iteration-count': ['animation'],
+  'animation-name': ['animation'],
+  'animation-play-state': ['animation'],
+  'animation-timing-function': ['animation'],
+  '-moz-animation-delay': ['-moz-animation'],
+  '-moz-animation-direction': ['-moz-animation'],
+  '-moz-animation-duration': ['-moz-animation'],
+  '-moz-animation-fill-mode': ['-moz-animation'],
+  '-moz-animation-iteration-count': ['-moz-animation'],
+  '-moz-animation-name': ['-moz-animation'],
+  '-moz-animation-play-state': ['-moz-animation'],
+  '-moz-animation-timing-function': ['-moz-animation'],
+  '-o-animation-delay': ['-o-animation'],
+  '-o-animation-direction': ['-o-animation'],
+  '-o-animation-duration': ['-o-animation'],
+  '-o-animation-fill-mode': ['-o-animation'],
+  '-o-animation-iteration-count': ['-o-animation'],
+  '-o-animation-name': ['-o-animation'],
+  '-o-animation-play-state': ['-o-animation'],
+  '-o-animation-timing-function': ['-o-animation'],
+  '-webkit-animation-delay': ['-webkit-animation'],
+  '-webkit-animation-direction': ['-webkit-animation'],
+  '-webkit-animation-duration': ['-webkit-animation'],
+  '-webkit-animation-fill-mode': ['-webkit-animation'],
+  '-webkit-animation-iteration-count': ['-webkit-animation'],
+  '-webkit-animation-name': ['-webkit-animation'],
+  '-webkit-animation-play-state': ['-webkit-animation'],
+  '-webkit-animation-timing-function': ['-webkit-animation'],
+  'border-color': ['border'],
+  'border-style': ['border'],
+  'border-width': ['border'],
+  'border-bottom': ['border'],
+  'border-bottom-color': ['border-bottom', 'border-color', 'border'],
+  'border-bottom-style': ['border-bottom', 'border-style', 'border'],
+  'border-bottom-width': ['border-bottom', 'border-width', 'border'],
+  'border-left': ['border'],
+  'border-left-color': ['border-left', 'border-color', 'border'],
+  'border-left-style': ['border-left', 'border-style', 'border'],
+  'border-left-width': ['border-left', 'border-width', 'border'],
+  'border-right': ['border'],
+  'border-right-color': ['border-right', 'border-color', 'border'],
+  'border-right-style': ['border-right', 'border-style', 'border'],
+  'border-right-width': ['border-right', 'border-width', 'border'],
+  'border-top': ['border'],
+  'border-top-color': ['border-top', 'border-color', 'border'],
+  'border-top-style': ['border-top', 'border-style', 'border'],
+  'border-top-width': ['border-top', 'border-width', 'border'],
+  'font-family': ['font'],
+  'font-size': ['font'],
+  'font-style': ['font'],
+  'font-variant': ['font'],
+  'font-weight': ['font'],
+  'transition-delay': ['transition'],
+  'transition-duration': ['transition'],
+  'transition-property': ['transition'],
+  'transition-timing-function': ['transition'],
+  '-moz-transition-delay': ['-moz-transition'],
+  '-moz-transition-duration': ['-moz-transition'],
+  '-moz-transition-property': ['-moz-transition'],
+  '-moz-transition-timing-function': ['-moz-transition'],
+  '-o-transition-delay': ['-o-transition'],
+  '-o-transition-duration': ['-o-transition'],
+  '-o-transition-property': ['-o-transition'],
+  '-o-transition-timing-function': ['-o-transition'],
+  '-webkit-transition-delay': ['-webkit-transition'],
+  '-webkit-transition-duration': ['-webkit-transition'],
+  '-webkit-transition-property': ['-webkit-transition'],
+  '-webkit-transition-timing-function': ['-webkit-transition']
+};
+
+function _optimize(properties, mergeAdjacent, aggressiveMerging, validator) {
+  var overrideMapping = {};
+  var lastName = null;
+  var lastProperty;
+  var j;
+
+  function mergeablePosition(position) {
+    if (mergeAdjacent === false || mergeAdjacent === true)
+      return mergeAdjacent;
+
+    return mergeAdjacent.indexOf(position) > -1;
+  }
+
+  function sameValue(position) {
+    var left = properties[position - 1];
+    var right = properties[position];
+
+    return stringifyProperty(left.all, left.position) == stringifyProperty(right.all, right.position);
+  }
+
+  propertyLoop:
+  for (var position = 0, total = properties.length; position < total; position++) {
+    var property = properties[position];
+    var _name = (property.name == '-ms-filter' || property.name == 'filter') ?
+      (lastName == 'background' || lastName == 'background-image' ? lastName : property.name) :
+      property.name;
+    var isImportant = property.important;
+    var isHack = property.hack;
+
+    if (property.unused)
+      continue;
+
+    if (position > 0 && lastProperty && _name == lastName && isImportant == lastProperty.important && isHack == lastProperty.hack && sameValue(position) && !lastProperty.unused) {
+      property.unused = true;
+      continue;
+    }
+
+    // comment is necessary - we assume that if two properties are one after another
+    // then it is intentional way of redefining property which may not be widely supported
+    // e.g. a{display:inline-block;display:-moz-inline-box}
+    // however if `mergeablePosition` yields true then the rule does not apply
+    // (e.g merging two adjacent selectors: `a{display:block}a{display:block}`)
+    if (_name in overrideMapping && (aggressiveMerging && _name != lastName || mergeablePosition(position))) {
+      var toOverridePositions = overrideMapping[_name];
+      var canOverride = compactable[_name] && compactable[_name].canOverride;
+      var anyRemoved = false;
+
+      for (j = toOverridePositions.length - 1; j >= 0; j--) {
+        var toRemove = properties[toOverridePositions[j]];
+        var longhandToShorthand = toRemove.name != _name;
+        var wasImportant = toRemove.important;
+        var wasHack = toRemove.hack;
+
+        if (toRemove.unused)
+          continue;
+
+        if (longhandToShorthand && wasImportant)
+          continue;
+
+        if (!wasImportant && (wasHack && !isHack || !wasHack && isHack))
+          continue;
+
+        if (wasImportant && (isHack == 'star' || isHack == 'underscore'))
+          continue;
+
+        if (!wasHack && !isHack && !longhandToShorthand && canOverride && !canOverride(toRemove, property, validator))
+          continue;
+
+        if (wasImportant && !isImportant || wasImportant && isHack) {
+          property.unused = true;
+          lastProperty = property;
+          continue propertyLoop;
+        } else {
+          anyRemoved = true;
+          toRemove.unused = true;
+        }
+      }
+
+      if (anyRemoved) {
+        position = -1;
+        lastProperty = null;
+        lastName = null;
+        overrideMapping = {};
+        continue;
+      }
+    } else {
+      overrideMapping[_name] = overrideMapping[_name] || [];
+      overrideMapping[_name].push(position);
+
+      // TODO: to be removed with
+      // certain shorthand (see values of `shorthands`) should trigger removal of
+      // longhand properties (see keys of `shorthands`)
+      var _shorthands = shorthands[_name];
+      if (_shorthands) {
+        for (j = _shorthands.length - 1; j >= 0; j--) {
+          var shorthand = _shorthands[j];
+          overrideMapping[shorthand] = overrideMapping[shorthand] || [];
+          overrideMapping[shorthand].push(position);
+        }
+      }
+    }
+
+    lastName = _name;
+    lastProperty = property;
+  }
+}
+
+function optimize(selector, properties, mergeAdjacent, withCompacting, options, context) {
+  var validator = context.validator;
+  var warnings = context.warnings;
+
+  var _properties = wrapForOptimizing(properties);
+  populateComponents(_properties, validator, warnings);
+  _optimize(_properties, mergeAdjacent, options.aggressiveMerging, validator);
+
+  for (var i = 0, l = _properties.length; i < l; i++) {
+    var _property = _properties[i];
+    if (_property.variable && _property.block)
+      optimize(selector, _property.value[0], mergeAdjacent, withCompacting, options, context);
+  }
+
+  if (withCompacting && options.shorthandCompacting) {
+    compactOverrides(_properties, options.compatibility, validator);
+    compactShorthands(_properties, options.sourceMap, validator);
+  }
+
+  restoreFromOptimizing(_properties);
+  removeUnused(_properties);
+}
+
+module.exports = optimize;

node_modules/clean-css/lib/properties/override-compactor.js

@@ -0,0 +1,384 @@
+var canOverride = require('./can-override');
+var compactable = require('./compactable');
+var deepClone = require('./clone').deep;
+var shallowClone = require('./clone').shallow;
+var hasInherit = require('./has-inherit');
+var restoreFromOptimizing = require('./restore-from-optimizing');
+var everyCombination = require('./every-combination');
+var sameVendorPrefixesIn = require('./vendor-prefixes').same;
+
+var stringifyProperty = require('../stringifier/one-time').property;
+
+var MULTIPLEX_SEPARATOR = ',';
+
+// Used when searching for a component that matches property
+function nameMatchFilter(to) {
+  return function (property) {
+    return to.name === property.name;
+  };
+}
+
+function wouldBreakCompatibility(property, validator) {
+  for (var i = 0; i < property.components.length; i++) {
+    var component = property.components[i];
+    var descriptor = compactable[component.name];
+    var canOverride = descriptor && descriptor.canOverride || canOverride.sameValue;
+
+    var _component = shallowClone(component);
+    _component.value = [[descriptor.defaultValue]];
+
+    if (!canOverride(_component, component, validator))
+      return true;
+  }
+
+  return false;
+}
+
+function isComponentOf(shorthand, longhand) {
+  return compactable[shorthand.name].components.indexOf(longhand.name) > -1;
+}
+
+function overrideIntoMultiplex(property, by) {
+  by.unused = true;
+
+  turnIntoMultiplex(by, multiplexSize(property));
+  property.value = by.value;
+}
+
+function overrideByMultiplex(property, by) {
+  by.unused = true;
+  property.multiplex = true;
+  property.value = by.value;
+}
+
+function overrideSimple(property, by) {
+  by.unused = true;
+  property.value = by.value;
+}
+
+function override(property, by) {
+  if (by.multiplex)
+    overrideByMultiplex(property, by);
+  else if (property.multiplex)
+    overrideIntoMultiplex(property, by);
+  else
+    overrideSimple(property, by);
+}
+
+function overrideShorthand(property, by) {
+  by.unused = true;
+
+  for (var i = 0, l = property.components.length; i < l; i++) {
+    override(property.components[i], by.components[i], property.multiplex);
+  }
+}
+
+function turnIntoMultiplex(property, size) {
+  property.multiplex = true;
+
+  for (var i = 0, l = property.components.length; i < l; i++) {
+    var component = property.components[i];
+    if (component.multiplex)
+      continue;
+
+    var value = component.value.slice(0);
+
+    for (var j = 1; j < size; j++) {
+      component.value.push([MULTIPLEX_SEPARATOR]);
+      Array.prototype.push.apply(component.value, value);
+    }
+  }
+}
+
+function multiplexSize(component) {
+  var size = 0;
+
+  for (var i = 0, l = component.value.length; i < l; i++) {
+    if (component.value[i][0] == MULTIPLEX_SEPARATOR)
+      size++;
+  }
+
+  return size + 1;
+}
+
+function lengthOf(property) {
+  var fakeAsArray = [[property.name]].concat(property.value);
+  return stringifyProperty([fakeAsArray], 0).length;
+}
+
+function moreSameShorthands(properties, startAt, name) {
+  // Since we run the main loop in `compactOverrides` backwards, at this point some
+  // properties may not be marked as unused.
+  // We should consider reverting the order if possible
+  var count = 0;
+
+  for (var i = startAt; i >= 0; i--) {
+    if (properties[i].name == name && !properties[i].unused)
+      count++;
+    if (count > 1)
+      break;
+  }
+
+  return count > 1;
+}
+
+function overridingFunction(shorthand, validator) {
+  for (var i = 0, l = shorthand.components.length; i < l; i++) {
+    if (anyValue(validator.isValidFunction, shorthand.components[i]))
+      return true;
+  }
+
+  return false;
+}
+
+function anyValue(fn, property) {
+  for (var i = 0, l = property.value.length; i < l; i++) {
+    if (property.value[i][0] == MULTIPLEX_SEPARATOR)
+      continue;
+
+    if (fn(property.value[i][0]))
+      return true;
+  }
+
+  return false;
+}
+
+function wouldResultInLongerValue(left, right) {
+  if (!left.multiplex && !right.multiplex || left.multiplex && right.multiplex)
+    return false;
+
+  var multiplex = left.multiplex ? left : right;
+  var simple = left.multiplex ? right : left;
+  var component;
+
+  var multiplexClone = deepClone(multiplex);
+  restoreFromOptimizing([multiplexClone]);
+
+  var simpleClone = deepClone(simple);
+  restoreFromOptimizing([simpleClone]);
+
+  var lengthBefore = lengthOf(multiplexClone) + 1 + lengthOf(simpleClone);
+
+  if (left.multiplex) {
+    component = multiplexClone.components.filter(nameMatchFilter(simpleClone))[0];
+    overrideIntoMultiplex(component, simpleClone);
+  } else {
+    component = simpleClone.components.filter(nameMatchFilter(multiplexClone))[0];
+    turnIntoMultiplex(simpleClone, multiplexSize(multiplexClone));
+    overrideByMultiplex(component, multiplexClone);
+  }
+
+  restoreFromOptimizing([simpleClone]);
+
+  var lengthAfter = lengthOf(simpleClone);
+
+  return lengthBefore < lengthAfter;
+}
+
+function isCompactable(property) {
+  return property.name in compactable;
+}
+
+function noneOverrideHack(left, right) {
+  return !left.multiplex &&
+    (left.name == 'background' || left.name == 'background-image') &&
+    right.multiplex &&
+    (right.name == 'background' || right.name == 'background-image') &&
+    anyLayerIsNone(right.value);
+}
+
+function anyLayerIsNone(values) {
+  var layers = intoLayers(values);
+
+  for (var i = 0, l = layers.length; i < l; i++) {
+    if (layers[i].length == 1 && layers[i][0][0] == 'none')
+      return true;
+  }
+
+  return false;
+}
+
+function intoLayers(values) {
+  var layers = [];
+
+  for (var i = 0, layer = [], l = values.length; i < l; i++) {
+    var value = values[i];
+    if (value[0] == MULTIPLEX_SEPARATOR) {
+      layers.push(layer);
+      layer = [];
+    } else {
+      layer.push(value);
+    }
+  }
+
+  layers.push(layer);
+  return layers;
+}
+
+function compactOverrides(properties, compatibility, validator) {
+  var mayOverride, right, left, component;
+  var i, j, k;
+
+  propertyLoop:
+  for (i = properties.length - 1; i >= 0; i--) {
+    right = properties[i];
+
+    if (!isCompactable(right))
+      continue;
+
+    if (right.variable)
+      continue;
+
+    mayOverride = compactable[right.name].canOverride || canOverride.sameValue;
+
+    for (j = i - 1; j >= 0; j--) {
+      left = properties[j];
+
+      if (!isCompactable(left))
+        continue;
+
+      if (left.variable)
+        continue;
+
+      if (left.unused || right.unused)
+        continue;
+
+      if (left.hack && !right.hack || !left.hack && right.hack)
+        continue;
+
+      if (hasInherit(right))
+        continue;
+
+      if (noneOverrideHack(left, right))
+        continue;
+
+      if (!left.shorthand && right.shorthand && isComponentOf(right, left)) {
+        // maybe `left` can be overridden by `right` which is a shorthand?
+        if (!right.important && left.important)
+          continue;
+
+        if (!sameVendorPrefixesIn([left], right.components))
+          continue;
+
+        if (!anyValue(validator.isValidFunction, left) && overridingFunction(right, validator))
+          continue;
+
+        component = right.components.filter(nameMatchFilter(left))[0];
+        mayOverride = (compactable[left.name] && compactable[left.name].canOverride) || canOverride.sameValue;
+        if (everyCombination(mayOverride, left, component, validator)) {
+          left.unused = true;
+        }
+      } else if (left.shorthand && !right.shorthand && isComponentOf(left, right)) {
+        // maybe `right` can be pulled into `left` which is a shorthand?
+        if (right.important && !left.important)
+          continue;
+
+        if (!right.important && left.important) {
+          right.unused = true;
+          continue;
+        }
+
+        // Pending more clever algorithm in #527
+        if (moreSameShorthands(properties, i - 1, left.name))
+          continue;
+
+        if (overridingFunction(left, validator))
+          continue;
+
+        component = left.components.filter(nameMatchFilter(right))[0];
+        if (everyCombination(mayOverride, component, right, validator)) {
+          var disabledBackgroundMerging =
+            !compatibility.properties.backgroundClipMerging && component.name.indexOf('background-clip') > -1 ||
+            !compatibility.properties.backgroundOriginMerging && component.name.indexOf('background-origin') > -1 ||
+            !compatibility.properties.backgroundSizeMerging && component.name.indexOf('background-size') > -1;
+          var nonMergeableValue = compactable[right.name].nonMergeableValue === right.value[0][0];
+
+          if (disabledBackgroundMerging || nonMergeableValue)
+            continue;
+
+          if (!compatibility.properties.merging && wouldBreakCompatibility(left, validator))
+            continue;
+
+          if (component.value[0][0] != right.value[0][0] && (hasInherit(left) || hasInherit(right)))
+            continue;
+
+          if (wouldResultInLongerValue(left, right))
+            continue;
+
+          if (!left.multiplex && right.multiplex)
+            turnIntoMultiplex(left, multiplexSize(right));
+
+          override(component, right);
+          left.dirty = true;
+        }
+      } else if (left.shorthand && right.shorthand && left.name == right.name) {
+        // merge if all components can be merged
+
+        if (!left.multiplex && right.multiplex)
+          continue;
+
+        if (!right.important && left.important) {
+          right.unused = true;
+          continue propertyLoop;
+        }
+
+        if (right.important && !left.important) {
+          left.unused = true;
+          continue;
+        }
+
+        for (k = left.components.length - 1; k >= 0; k--) {
+          var leftComponent = left.components[k];
+          var rightComponent = right.components[k];
+
+          mayOverride = compactable[leftComponent.name].canOverride || canOverride.sameValue;
+          if (!everyCombination(mayOverride, leftComponent, rightComponent, validator))
+            continue propertyLoop;
+          if (!everyCombination(canOverride.twoOptionalFunctions, leftComponent, rightComponent, validator) && validator.isValidFunction(rightComponent))
+            continue propertyLoop;
+        }
+
+        overrideShorthand(left, right);
+        left.dirty = true;
+      } else if (left.shorthand && right.shorthand && isComponentOf(left, right)) {
+        // border is a shorthand but any of its components is a shorthand too
+
+        if (!left.important && right.important)
+          continue;
+
+        component = left.components.filter(nameMatchFilter(right))[0];
+        mayOverride = compactable[right.name].canOverride || canOverride.sameValue;
+        if (!everyCombination(mayOverride, component, right, validator))
+          continue;
+
+        if (left.important && !right.important) {
+          right.unused = true;
+          continue;
+        }
+
+        var rightRestored = compactable[right.name].restore(right, compactable);
+        if (rightRestored.length > 1)
+          continue;
+
+        component = left.components.filter(nameMatchFilter(right))[0];
+        override(component, right);
+        right.dirty = true;
+      } else if (left.name == right.name) {
+        // two non-shorthands should be merged based on understandability
+
+        if (left.important && !right.important) {
+          right.unused = true;
+          continue;
+        }
+
+        mayOverride = compactable[right.name].canOverride || canOverride.sameValue;
+        if (!everyCombination(mayOverride, left, right, validator))
+          continue;
+
+        left.unused = true;
+      }
+    }
+  }
+}
+
+module.exports = compactOverrides;

node_modules/clean-css/lib/properties/populate-components.js

@@ -0,0 +1,32 @@
+var compactable = require('./compactable');
+var InvalidPropertyError = require('./invalid-property-error');
+
+function populateComponents(properties, validator, warnings) {
+  for (var i = properties.length - 1; i >= 0; i--) {
+    var property = properties[i];
+    var descriptor = compactable[property.name];
+
+    if (descriptor && descriptor.shorthand) {
+      property.shorthand = true;
+      property.dirty = true;
+
+      try {
+        property.components = descriptor.breakUp(property, compactable, validator);
+      } catch (e) {
+        if (e instanceof InvalidPropertyError) {
+          property.components = []; // this will set property.unused to true below
+          warnings.push(e.message);
+        } else {
+          throw e;
+        }
+      }
+
+      if (property.components.length > 0)
+        property.multiplex = property.components[0].multiplex;
+      else
+        property.unused = true;
+    }
+  }
+}
+
+module.exports = populateComponents;

node_modules/clean-css/lib/properties/remove-unused.js

@@ -0,0 +1,10 @@
+function removeUnused(properties) {
+  for (var i = properties.length - 1; i >= 0; i--) {
+    var property = properties[i];
+
+    if (property.unused)
+      property.all.splice(property.position, 1);
+  }
+}
+
+module.exports = removeUnused;

node_modules/clean-css/lib/properties/restore-from-optimizing.js

@@ -0,0 +1,60 @@
+var compactable = require('./compactable');
+
+var BACKSLASH_HACK = '\\9';
+var IMPORTANT_TOKEN = '!important';
+var STAR_HACK = '*';
+var UNDERSCORE_HACK = '_';
+var BANG_HACK = '!ie';
+
+function restoreImportant(property) {
+  property.value[property.value.length - 1][0] += IMPORTANT_TOKEN;
+}
+
+function restoreHack(property) {
+  if (property.hack == 'underscore')
+    property.name = UNDERSCORE_HACK + property.name;
+  else if (property.hack == 'star')
+    property.name = STAR_HACK + property.name;
+  else if (property.hack == 'backslash')
+    property.value[property.value.length - 1][0] += BACKSLASH_HACK;
+  else if (property.hack == 'bang')
+    property.value[property.value.length - 1][0] += ' ' + BANG_HACK;
+}
+
+function restoreFromOptimizing(properties, simpleMode) {
+  for (var i = properties.length - 1; i >= 0; i--) {
+    var property = properties[i];
+    var descriptor = compactable[property.name];
+    var restored;
+
+    if (property.unused)
+      continue;
+
+    if (!property.dirty && !property.important && !property.hack)
+      continue;
+
+    if (!simpleMode && descriptor && descriptor.shorthand) {
+      restored = descriptor.restore(property, compactable);
+      property.value = restored;
+    } else {
+      restored = property.value;
+    }
+
+    if (property.important)
+      restoreImportant(property);
+
+    if (property.hack)
+      restoreHack(property);
+
+    if (!('all' in property))
+      continue;
+
+    var current = property.all[property.position];
+    current[0][0] = property.name;
+
+    current.splice(1, current.length - 1);
+    Array.prototype.push.apply(current, restored);
+  }
+}
+
+module.exports = restoreFromOptimizing;

node_modules/clean-css/lib/properties/restore.js

@@ -0,0 +1,232 @@
+var shallowClone = require('./clone').shallow;
+var MULTIPLEX_SEPARATOR = ',';
+var SIZE_POSITION_SEPARATOR = '/';
+
+function isInheritOnly(values) {
+  for (var i = 0, l = values.length; i < l; i++) {
+    var value = values[i][0];
+
+    if (value != 'inherit' && value != MULTIPLEX_SEPARATOR && value != SIZE_POSITION_SEPARATOR)
+      return false;
+  }
+
+  return true;
+}
+
+function background(property, compactable, lastInMultiplex) {
+  var components = property.components;
+  var restored = [];
+  var needsOne, needsBoth;
+
+  function restoreValue(component) {
+    Array.prototype.unshift.apply(restored, component.value);
+  }
+
+  function isDefaultValue(component) {
+    var descriptor = compactable[component.name];
+    if (descriptor.doubleValues) {
+      if (descriptor.defaultValue.length == 1)
+        return component.value[0][0] == descriptor.defaultValue[0] && (component.value[1] ? component.value[1][0] == descriptor.defaultValue[0] : true);
+      else
+        return component.value[0][0] == descriptor.defaultValue[0] && (component.value[1] ? component.value[1][0] : component.value[0][0]) == descriptor.defaultValue[1];
+    } else {
+      return component.value[0][0] == descriptor.defaultValue;
+    }
+  }
+
+  for (var i = components.length - 1; i >= 0; i--) {
+    var component = components[i];
+    var isDefault = isDefaultValue(component);
+
+    if (component.name == 'background-clip') {
+      var originComponent = components[i - 1];
+      var isOriginDefault = isDefaultValue(originComponent);
+
+      needsOne = component.value[0][0] == originComponent.value[0][0];
+
+      needsBoth = !needsOne && (
+        (isOriginDefault && !isDefault) ||
+        (!isOriginDefault && !isDefault) ||
+        (!isOriginDefault && isDefault && component.value[0][0] != originComponent.value[0][0]));
+
+      if (needsOne) {
+        restoreValue(originComponent);
+      } else if (needsBoth) {
+        restoreValue(component);
+        restoreValue(originComponent);
+      }
+
+      i--;
+    } else if (component.name == 'background-size') {
+      var positionComponent = components[i - 1];
+      var isPositionDefault = isDefaultValue(positionComponent);
+
+      needsOne = !isPositionDefault && isDefault;
+
+      needsBoth = !needsOne &&
+        (isPositionDefault && !isDefault || !isPositionDefault && !isDefault);
+
+      if (needsOne) {
+        restoreValue(positionComponent);
+      } else if (needsBoth) {
+        restoreValue(component);
+        restored.unshift([SIZE_POSITION_SEPARATOR]);
+        restoreValue(positionComponent);
+      } else if (positionComponent.value.length == 1) {
+        restoreValue(positionComponent);
+      }
+
+      i--;
+    } else {
+      if (isDefault || compactable[component.name].multiplexLastOnly && !lastInMultiplex)
+        continue;
+
+      restoreValue(component);
+    }
+  }
+
+  if (restored.length === 0 && property.value.length == 1 && property.value[0][0] == '0')
+    restored.push(property.value[0]);
+
+  if (restored.length === 0)
+    restored.push([compactable[property.name].defaultValue]);
+
+  if (isInheritOnly(restored))
+    return [restored[0]];
+
+  return restored;
+}
+
+function borderRadius(property, compactable) {
+  if (property.multiplex) {
+    var horizontal = shallowClone(property);
+    var vertical = shallowClone(property);
+
+    for (var i = 0; i < 4; i++) {
+      var component = property.components[i];
+
+      var horizontalComponent = shallowClone(property);
+      horizontalComponent.value = [component.value[0]];
+      horizontal.components.push(horizontalComponent);
+
+      var verticalComponent = shallowClone(property);
+      // FIXME: only shorthand compactor (see breakup#borderRadius) knows that border radius
+      // longhands have two values, whereas tokenizer does not care about populating 2nd value
+      // if it's missing, hence this fallback
+      verticalComponent.value = [component.value[1] || component.value[0]];
+      vertical.components.push(verticalComponent);
+    }
+
+    var horizontalValues = fourValues(horizontal, compactable);
+    var verticalValues = fourValues(vertical, compactable);
+
+    if (horizontalValues.length == verticalValues.length &&
+        horizontalValues[0][0] == verticalValues[0][0] &&
+        (horizontalValues.length > 1 ? horizontalValues[1][0] == verticalValues[1][0] : true) &&
+        (horizontalValues.length > 2 ? horizontalValues[2][0] == verticalValues[2][0] : true) &&
+        (horizontalValues.length > 3 ? horizontalValues[3][0] == verticalValues[3][0] : true)) {
+      return horizontalValues;
+    } else {
+      return horizontalValues.concat([['/']]).concat(verticalValues);
+    }
+  } else {
+    return fourValues(property, compactable);
+  }
+}
+
+function fourValues(property) {
+  var components = property.components;
+  var value1 = components[0].value[0];
+  var value2 = components[1].value[0];
+  var value3 = components[2].value[0];
+  var value4 = components[3].value[0];
+
+  if (value1[0] == value2[0] && value1[0] == value3[0] && value1[0] == value4[0]) {
+    return [value1];
+  } else if (value1[0] == value3[0] && value2[0] == value4[0]) {
+    return [value1, value2];
+  } else if (value2[0] == value4[0]) {
+    return [value1, value2, value3];
+  } else {
+    return [value1, value2, value3, value4];
+  }
+}
+
+function multiplex(restoreWith) {
+  return function (property, compactable) {
+    if (!property.multiplex)
+      return restoreWith(property, compactable, true);
+
+    var multiplexSize = 0;
+    var restored = [];
+    var componentMultiplexSoFar = {};
+    var i, l;
+
+    // At this point we don't know what's the multiplex size, e.g. how many background layers are there
+    for (i = 0, l = property.components[0].value.length; i < l; i++) {
+      if (property.components[0].value[i][0] == MULTIPLEX_SEPARATOR)
+        multiplexSize++;
+    }
+
+    for (i = 0; i <= multiplexSize; i++) {
+      var _property = shallowClone(property);
+
+      // We split multiplex into parts and restore them one by one
+      for (var j = 0, m = property.components.length; j < m; j++) {
+        var componentToClone = property.components[j];
+        var _component = shallowClone(componentToClone);
+        _property.components.push(_component);
+
+        // The trick is some properties has more than one value, so we iterate over values looking for
+        // a multiplex separator - a comma
+        for (var k = componentMultiplexSoFar[_component.name] || 0, n = componentToClone.value.length; k < n; k++) {
+          if (componentToClone.value[k][0] == MULTIPLEX_SEPARATOR) {
+            componentMultiplexSoFar[_component.name] = k + 1;
+            break;
+          }
+
+          _component.value.push(componentToClone.value[k]);
+        }
+      }
+
+      // No we can restore shorthand value
+      var lastInMultiplex = i == multiplexSize;
+      var _restored = restoreWith(_property, compactable, lastInMultiplex);
+      Array.prototype.push.apply(restored, _restored);
+
+      if (i < multiplexSize)
+        restored.push([',']);
+    }
+
+    return restored;
+  };
+}
+
+function withoutDefaults(property, compactable) {
+  var components = property.components;
+  var restored = [];
+
+  for (var i = components.length - 1; i >= 0; i--) {
+    var component = components[i];
+    var descriptor = compactable[component.name];
+
+    if (component.value[0][0] != descriptor.defaultValue)
+      restored.unshift(component.value[0]);
+  }
+
+  if (restored.length === 0)
+    restored.push([compactable[property.name].defaultValue]);
+
+  if (isInheritOnly(restored))
+    return [restored[0]];
+
+  return restored;
+}
+
+module.exports = {
+  background: background,
+  borderRadius: borderRadius,
+  fourValues: fourValues,
+  multiplex: multiplex,
+  withoutDefaults: withoutDefaults
+};

node_modules/clean-css/lib/properties/shorthand-compactor.js

@@ -0,0 +1,134 @@
+var compactable = require('./compactable');
+var deepClone = require('./clone').deep;
+var hasInherit = require('./has-inherit');
+var populateComponents = require('./populate-components');
+var wrapSingle = require('./wrap-for-optimizing').single;
+var everyCombination = require('./every-combination');
+
+function mixedImportance(components) {
+  var important;
+
+  for (var name in components) {
+    if (undefined !== important && components[name].important != important)
+      return true;
+
+    important = components[name].important;
+  }
+
+  return false;
+}
+
+function componentSourceMaps(components) {
+  var sourceMapping = [];
+
+  for (var name in components) {
+    var component = components[name];
+    var originalValue = component.all[component.position];
+    var mapping = originalValue[0][originalValue[0].length - 1];
+
+    if (Array.isArray(mapping))
+      Array.prototype.push.apply(sourceMapping, mapping);
+  }
+
+  return sourceMapping;
+}
+
+function replaceWithShorthand(properties, candidateComponents, name, sourceMaps, validator) {
+  var descriptor = compactable[name];
+  var newValuePlaceholder = [[name], [descriptor.defaultValue]];
+  var all;
+
+  var newProperty = wrapSingle(newValuePlaceholder);
+  newProperty.shorthand = true;
+  newProperty.dirty = true;
+
+  populateComponents([newProperty], validator, []);
+
+  for (var i = 0, l = descriptor.components.length; i < l; i++) {
+    var component = candidateComponents[descriptor.components[i]];
+    var canOverride = compactable[component.name].canOverride;
+
+    if (hasInherit(component))
+      return;
+
+    if (!everyCombination(canOverride, newProperty.components[i], component, validator))
+      return;
+
+    newProperty.components[i] = deepClone(component);
+    newProperty.important = component.important;
+
+    all = component.all;
+  }
+
+  for (var componentName in candidateComponents) {
+    candidateComponents[componentName].unused = true;
+  }
+
+  if (sourceMaps) {
+    var sourceMapping = componentSourceMaps(candidateComponents);
+    if (sourceMapping.length > 0)
+      newValuePlaceholder[0].push(sourceMapping);
+  }
+
+  newProperty.position = all.length;
+  newProperty.all = all;
+  newProperty.all.push(newValuePlaceholder);
+
+  properties.push(newProperty);
+}
+
+function invalidateOrCompact(properties, position, candidates, sourceMaps, validator) {
+  var property = properties[position];
+
+  for (var name in candidates) {
+    if (undefined !== property && name == property.name)
+      continue;
+
+    var descriptor = compactable[name];
+    var candidateComponents = candidates[name];
+    if (descriptor.components.length > Object.keys(candidateComponents).length) {
+      delete candidates[name];
+      continue;
+    }
+
+    if (mixedImportance(candidateComponents))
+      continue;
+
+    replaceWithShorthand(properties, candidateComponents, name, sourceMaps, validator);
+  }
+}
+
+function compactShortands(properties, sourceMaps, validator) {
+  var candidates = {};
+
+  if (properties.length < 3)
+    return;
+
+  for (var i = 0, l = properties.length; i < l; i++) {
+    var property = properties[i];
+    if (property.unused)
+      continue;
+
+    if (property.hack)
+      continue;
+
+    if (property.variable)
+      continue;
+
+    var descriptor = compactable[property.name];
+    if (!descriptor || !descriptor.componentOf)
+      continue;
+
+    if (property.shorthand) {
+      invalidateOrCompact(properties, i, candidates, sourceMaps, validator);
+    } else {
+      var componentOf = descriptor.componentOf;
+      candidates[componentOf] = candidates[componentOf] || {};
+      candidates[componentOf][property.name] = property;
+    }
+  }
+
+  invalidateOrCompact(properties, i, candidates, sourceMaps, validator);
+}
+
+module.exports = compactShortands;

node_modules/clean-css/lib/properties/validator.js

@@ -0,0 +1,197 @@
+// Validates various CSS property values
+
+var split = require('../utils/split');
+
+var widthKeywords = ['thin', 'thick', 'medium', 'inherit', 'initial'];
+var allUnits = ['px', '%', 'em', 'in', 'cm', 'mm', 'ex', 'pt', 'pc', 'ch', 'rem', 'vh', 'vm', 'vmin', 'vmax', 'vw'];
+var cssUnitRegexStr = '(\\-?\\.?\\d+\\.?\\d*(' + allUnits.join('|') + '|)|auto|inherit)';
+var cssCalcRegexStr = '(\\-moz\\-|\\-webkit\\-)?calc\\([^\\)]+\\)';
+var cssFunctionNoVendorRegexStr = '[A-Z]+(\\-|[A-Z]|[0-9])+\\(.*?\\)';
+var cssFunctionVendorRegexStr = '\\-(\\-|[A-Z]|[0-9])+\\(.*?\\)';
+var cssVariableRegexStr = 'var\\(\\-\\-[^\\)]+\\)';
+var cssFunctionAnyRegexStr = '(' + cssVariableRegexStr + '|' + cssFunctionNoVendorRegexStr + '|' + cssFunctionVendorRegexStr + ')';
+var cssUnitOrCalcRegexStr = '(' + cssUnitRegexStr + '|' + cssCalcRegexStr + ')';
+var cssUnitAnyRegexStr = '(none|' + widthKeywords.join('|') + '|' + cssUnitRegexStr + '|' + cssVariableRegexStr + '|' + cssFunctionNoVendorRegexStr + '|' + cssFunctionVendorRegexStr + ')';
+
+var cssFunctionNoVendorRegex = new RegExp('^' + cssFunctionNoVendorRegexStr + '$', 'i');
+var cssFunctionVendorRegex = new RegExp('^' + cssFunctionVendorRegexStr + '$', 'i');
+var cssVariableRegex = new RegExp('^' + cssVariableRegexStr + '$', 'i');
+var cssFunctionAnyRegex = new RegExp('^' + cssFunctionAnyRegexStr + '$', 'i');
+var cssUnitRegex = new RegExp('^' + cssUnitRegexStr + '$', 'i');
+var cssUnitOrCalcRegex = new RegExp('^' + cssUnitOrCalcRegexStr + '$', 'i');
+var cssUnitAnyRegex = new RegExp('^' + cssUnitAnyRegexStr + '$', 'i');
+
+var backgroundRepeatKeywords = ['repeat', 'no-repeat', 'repeat-x', 'repeat-y', 'inherit'];
+var backgroundAttachmentKeywords = ['inherit', 'scroll', 'fixed', 'local'];
+var backgroundPositionKeywords = ['center', 'top', 'bottom', 'left', 'right'];
+var backgroundSizeKeywords = ['contain', 'cover'];
+var backgroundBoxKeywords = ['border-box', 'content-box', 'padding-box'];
+var styleKeywords = ['auto', 'inherit', 'hidden', 'none', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset'];
+var listStyleTypeKeywords = ['armenian', 'circle', 'cjk-ideographic', 'decimal', 'decimal-leading-zero', 'disc', 'georgian', 'hebrew', 'hiragana', 'hiragana-iroha', 'inherit', 'katakana', 'katakana-iroha', 'lower-alpha', 'lower-greek', 'lower-latin', 'lower-roman', 'none', 'square', 'upper-alpha', 'upper-latin', 'upper-roman'];
+var listStylePositionKeywords = ['inside', 'outside', 'inherit'];
+
+function Validator(compatibility) {
+  var validUnits = allUnits.slice(0).filter(function (value) {
+    return !(value in compatibility.units) || compatibility.units[value] === true;
+  });
+
+  var compatibleCssUnitRegexStr = '(\\-?\\.?\\d+\\.?\\d*(' + validUnits.join('|') + '|)|auto|inherit)';
+  this.compatibleCssUnitRegex = new RegExp('^' + compatibleCssUnitRegexStr + '$', 'i');
+  this.compatibleCssUnitAnyRegex = new RegExp('^(none|' + widthKeywords.join('|') + '|' + compatibleCssUnitRegexStr + '|' + cssVariableRegexStr + '|' + cssFunctionNoVendorRegexStr + '|' + cssFunctionVendorRegexStr + ')$', 'i');
+
+  this.colorOpacity = compatibility.colors.opacity;
+}
+
+Validator.prototype.isValidHexColor = function (s) {
+  return (s.length === 4 || s.length === 7) && s[0] === '#';
+};
+
+Validator.prototype.isValidRgbaColor = function (s) {
+  s = s.split(' ').join('');
+  return s.length > 0 && s.indexOf('rgba(') === 0 && s.indexOf(')') === s.length - 1;
+};
+
+Validator.prototype.isValidHslaColor = function (s) {
+  s = s.split(' ').join('');
+  return s.length > 0 && s.indexOf('hsla(') === 0 && s.indexOf(')') === s.length - 1;
+};
+
+Validator.prototype.isValidNamedColor = function (s) {
+  // We don't really check if it's a valid color value, but allow any letters in it
+  return s !== 'auto' && (s === 'transparent' || s === 'inherit' || /^[a-zA-Z]+$/.test(s));
+};
+
+Validator.prototype.isValidVariable = function (s) {
+  return cssVariableRegex.test(s);
+};
+
+Validator.prototype.isValidColor = function (s) {
+  return this.isValidNamedColor(s) ||
+    this.isValidColorValue(s) ||
+    this.isValidVariable(s) ||
+    this.isValidVendorPrefixedValue(s);
+};
+
+Validator.prototype.isValidColorValue = function (s) {
+  return this.isValidHexColor(s) ||
+    this.isValidRgbaColor(s) ||
+    this.isValidHslaColor(s);
+};
+
+Validator.prototype.isValidUrl = function (s) {
+  // NOTE: at this point all URLs are replaced with placeholders by clean-css, so we check for those placeholders
+  return s.indexOf('__ESCAPED_URL_CLEAN_CSS') === 0;
+};
+
+Validator.prototype.isValidUnit = function (s) {
+  return cssUnitAnyRegex.test(s);
+};
+
+Validator.prototype.isValidUnitWithoutFunction = function (s) {
+  return cssUnitRegex.test(s);
+};
+
+Validator.prototype.isValidAndCompatibleUnit = function (s) {
+  return this.compatibleCssUnitAnyRegex.test(s);
+};
+
+Validator.prototype.isValidAndCompatibleUnitWithoutFunction = function (s) {
+  return this.compatibleCssUnitRegex.test(s);
+};
+
+Validator.prototype.isValidFunctionWithoutVendorPrefix = function (s) {
+  return cssFunctionNoVendorRegex.test(s);
+};
+
+Validator.prototype.isValidFunctionWithVendorPrefix = function (s) {
+  return cssFunctionVendorRegex.test(s);
+};
+
+Validator.prototype.isValidFunction = function (s) {
+  return cssFunctionAnyRegex.test(s);
+};
+
+Validator.prototype.isValidBackgroundRepeat = function (s) {
+  return backgroundRepeatKeywords.indexOf(s) >= 0 || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidBackgroundAttachment = function (s) {
+  return backgroundAttachmentKeywords.indexOf(s) >= 0 || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidBackgroundBox = function (s) {
+  return backgroundBoxKeywords.indexOf(s) >= 0 || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidBackgroundPositionPart = function (s) {
+  return backgroundPositionKeywords.indexOf(s) >= 0 || cssUnitOrCalcRegex.test(s) || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidBackgroundPosition = function (s) {
+  if (s === 'inherit')
+    return true;
+
+  var parts = s.split(' ');
+  for (var i = 0, l = parts.length; i < l; i++) {
+    if (parts[i] === '')
+      continue;
+    if (this.isValidBackgroundPositionPart(parts[i]) || this.isValidVariable(parts[i]))
+      continue;
+
+    return false;
+  }
+
+  return true;
+};
+
+Validator.prototype.isValidBackgroundSizePart = function (s) {
+  return backgroundSizeKeywords.indexOf(s) >= 0 || cssUnitRegex.test(s) || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidBackgroundPositionAndSize = function (s) {
+  if (s.indexOf('/') < 0)
+    return false;
+
+  var twoParts = split(s, '/');
+  return this.isValidBackgroundSizePart(twoParts.pop()) && this.isValidBackgroundPositionPart(twoParts.pop());
+};
+
+Validator.prototype.isValidListStyleType = function (s) {
+  return listStyleTypeKeywords.indexOf(s) >= 0 || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidListStylePosition = function (s) {
+  return listStylePositionKeywords.indexOf(s) >= 0 || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidStyle = function (s) {
+  return this.isValidStyleKeyword(s) || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidStyleKeyword = function (s) {
+  return styleKeywords.indexOf(s) >= 0;
+};
+
+Validator.prototype.isValidWidth = function (s) {
+  return this.isValidUnit(s) || this.isValidWidthKeyword(s) || this.isValidVariable(s);
+};
+
+Validator.prototype.isValidWidthKeyword = function (s) {
+  return widthKeywords.indexOf(s) >= 0;
+};
+
+Validator.prototype.isValidVendorPrefixedValue = function (s) {
+  return /^-([A-Za-z0-9]|-)*$/gi.test(s);
+};
+
+Validator.prototype.areSameFunction = function (a, b) {
+  if (!this.isValidFunction(a) || !this.isValidFunction(b))
+    return false;
+
+  var f1name = a.substring(0, a.indexOf('('));
+  var f2name = b.substring(0, b.indexOf('('));
+
+  return f1name === f2name;
+};
+
+module.exports = Validator;

node_modules/clean-css/lib/properties/vendor-prefixes.js

@@ -0,0 +1,26 @@
+var VENDOR_PREFIX_PATTERN = /$\-moz\-|\-ms\-|\-o\-|\-webkit\-/;
+
+function prefixesIn(tokens) {
+  var prefixes = [];
+
+  for (var i = 0, l = tokens.length; i < l; i++) {
+    var token = tokens[i];
+
+    for (var j = 0, m = token.value.length; j < m; j++) {
+      var match = VENDOR_PREFIX_PATTERN.exec(token.value[j][0]);
+
+      if (match && prefixes.indexOf(match[0]) == -1)
+        prefixes.push(match[0]);
+    }
+  }
+
+  return prefixes;
+}
+
+function same(left, right) {
+  return prefixesIn(left).sort().join(',') == prefixesIn(right).sort().join(',');
+}
+
+module.exports = {
+  same: same
+};

node_modules/clean-css/lib/properties/wrap-for-optimizing.js

@@ -0,0 +1,118 @@
+var BACKSLASH_HACK = '\\';
+var IMPORTANT_WORD = 'important';
+var IMPORTANT_TOKEN = '!'+IMPORTANT_WORD;
+var IMPORTANT_WORD_MATCH = new RegExp(IMPORTANT_WORD+'$', 'i');
+var IMPORTANT_TOKEN_MATCH = new RegExp(IMPORTANT_TOKEN+'$', 'i');
+var STAR_HACK = '*';
+var UNDERSCORE_HACK = '_';
+var BANG_HACK = '!';
+
+function wrapAll(properties) {
+  var wrapped = [];
+
+  for (var i = properties.length - 1; i >= 0; i--) {
+    if (typeof properties[i][0] == 'string')
+      continue;
+
+    var single = wrapSingle(properties[i]);
+    single.all = properties;
+    single.position = i;
+    wrapped.unshift(single);
+  }
+
+  return wrapped;
+}
+
+function isMultiplex(property) {
+  for (var i = 1, l = property.length; i < l; i++) {
+    if (property[i][0] == ',' || property[i][0] == '/')
+      return true;
+  }
+
+  return false;
+}
+
+function hackType(property) {
+  var type = false;
+  var name = property[0][0];
+  var lastValue = property[property.length - 1];
+
+  if (name[0] == UNDERSCORE_HACK) {
+    type = 'underscore';
+  } else if (name[0] == STAR_HACK) {
+    type = 'star';
+  } else if (lastValue[0][0] == BANG_HACK && !lastValue[0].match(IMPORTANT_WORD_MATCH)) {
+    type = 'bang';
+  } else if (lastValue[0].indexOf(BANG_HACK) > 0 && !lastValue[0].match(IMPORTANT_WORD_MATCH)) {
+    type = 'bang';
+  } else if (lastValue[0].indexOf(BACKSLASH_HACK) > 0 && lastValue[0].indexOf(BACKSLASH_HACK) == lastValue[0].length - BACKSLASH_HACK.length - 1) {
+    type = 'backslash';
+  } else if (lastValue[0].indexOf(BACKSLASH_HACK) === 0 && lastValue[0].length == 2) {
+    type = 'backslash';
+  }
+
+  return type;
+}
+
+function isImportant(property) {
+  if (property.length > 1) {
+    var p = property[property.length - 1][0];
+    if (typeof(p) === 'string') {
+      return IMPORTANT_TOKEN_MATCH.test(p);
+    }
+  }
+  return false;
+}
+
+function stripImportant(property) {
+  if (property.length > 0)
+    property[property.length - 1][0] = property[property.length - 1][0].replace(IMPORTANT_TOKEN_MATCH, '');
+}
+
+function stripPrefixHack(property) {
+  property[0][0] = property[0][0].substring(1);
+}
+
+function stripSuffixHack(property, hackType) {
+  var lastValue = property[property.length - 1];
+  lastValue[0] = lastValue[0]
+    .substring(0, lastValue[0].indexOf(hackType == 'backslash' ? BACKSLASH_HACK : BANG_HACK))
+    .trim();
+
+  if (lastValue[0].length === 0)
+    property.pop();
+}
+
+function wrapSingle(property) {
+  var _isImportant = isImportant(property);
+  if (_isImportant)
+    stripImportant(property);
+
+  var _hackType = hackType(property);
+  if (_hackType == 'star' || _hackType == 'underscore')
+    stripPrefixHack(property);
+  else if (_hackType == 'backslash' || _hackType == 'bang')
+    stripSuffixHack(property, _hackType);
+
+  var isVariable = property[0][0].indexOf('--') === 0;
+
+  return {
+    block: isVariable && property[1] && Array.isArray(property[1][0][0]),
+    components: [],
+    dirty: false,
+    hack: _hackType,
+    important: _isImportant,
+    name: property[0][0],
+    multiplex: property.length > 2 ? isMultiplex(property) : false,
+    position: 0,
+    shorthand: false,
+    unused: property.length < 2,
+    value: property.slice(1),
+    variable: isVariable
+  };
+}
+
+module.exports = {
+  all: wrapAll,
+  single: wrapSingle
+};