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diff --git a/node_modules/stylus/lib/nodes/rgba.js b/node_modules/stylus/lib/nodes/rgba.js
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+
+/*!
+ * Stylus - RGBA
+ * Copyright (c) Automattic <developer.wordpress.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var Node = require('./node')
+  , HSLA = require('./hsla')
+  , functions = require('../functions')
+  , adjust = functions.adjust
+  , nodes = require('./');
+
+/**
+ * Initialize a new `RGBA` with the given r,g,b,a component values.
+ *
+ * @param {Number} r
+ * @param {Number} g
+ * @param {Number} b
+ * @param {Number} a
+ * @api public
+ */
+
+var RGBA = exports = module.exports = function RGBA(r,g,b,a){
+  Node.call(this);
+  this.r = clamp(r);
+  this.g = clamp(g);
+  this.b = clamp(b);
+  this.a = clampAlpha(a);
+  this.name = '';
+  this.rgba = this;
+};
+
+/**
+ * Inherit from `Node.prototype`.
+ */
+
+RGBA.prototype.__proto__ = Node.prototype;
+
+/**
+ * Return an `RGBA` without clamping values.
+ * 
+ * @param {Number} r
+ * @param {Number} g
+ * @param {Number} b
+ * @param {Number} a
+ * @return {RGBA}
+ * @api public
+ */
+
+RGBA.withoutClamping = function(r,g,b,a){
+  var rgba = new RGBA(0,0,0,0);
+  rgba.r = r;
+  rgba.g = g;
+  rgba.b = b;
+  rgba.a = a;
+  return rgba;
+};
+
+/**
+ * Return a clone of this node.
+ * 
+ * @return {Node}
+ * @api public
+ */
+
+RGBA.prototype.clone = function(){
+  var clone = new RGBA(
+      this.r
+    , this.g
+    , this.b
+    , this.a);
+  clone.raw = this.raw;
+  clone.name = this.name;
+  clone.lineno = this.lineno;
+  clone.column = this.column;
+  clone.filename = this.filename;
+  return clone;
+};
+
+/**
+ * Return a JSON representation of this node.
+ *
+ * @return {Object}
+ * @api public
+ */
+
+RGBA.prototype.toJSON = function(){
+  return {
+    __type: 'RGBA',
+    r: this.r,
+    g: this.g,
+    b: this.b,
+    a: this.a,
+    raw: this.raw,
+    name: this.name,
+    lineno: this.lineno,
+    column: this.column,
+    filename: this.filename
+  };
+};
+
+/**
+ * Return true.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+RGBA.prototype.toBoolean = function(){
+  return nodes.true;
+};
+
+/**
+ * Return `HSLA` representation.
+ *
+ * @return {HSLA}
+ * @api public
+ */
+
+RGBA.prototype.__defineGetter__('hsla', function(){
+  return HSLA.fromRGBA(this);
+});
+
+/**
+ * Return hash.
+ *
+ * @return {String}
+ * @api public
+ */
+
+RGBA.prototype.__defineGetter__('hash', function(){
+  return this.toString();
+});
+
+/**
+ * Add r,g,b,a to the current component values.
+ *
+ * @param {Number} r
+ * @param {Number} g
+ * @param {Number} b
+ * @param {Number} a
+ * @return {RGBA} new node
+ * @api public
+ */
+
+RGBA.prototype.add = function(r,g,b,a){
+  return new RGBA(
+      this.r + r
+    , this.g + g
+    , this.b + b
+    , this.a + a);
+};
+
+/**
+ * Subtract r,g,b,a from the current component values.
+ *
+ * @param {Number} r
+ * @param {Number} g
+ * @param {Number} b
+ * @param {Number} a
+ * @return {RGBA} new node
+ * @api public
+ */
+
+RGBA.prototype.sub = function(r,g,b,a){
+  return new RGBA(
+      this.r - r
+    , this.g - g
+    , this.b - b
+    , a == 1 ? this.a : this.a - a);
+};
+
+/**
+ * Multiply rgb components by `n`.
+ *
+ * @param {String} n
+ * @return {RGBA} new node
+ * @api public
+ */
+
+RGBA.prototype.multiply = function(n){
+  return new RGBA(
+      this.r * n
+    , this.g * n
+    , this.b * n
+    , this.a); 
+};
+
+/**
+ * Divide rgb components by `n`.
+ *
+ * @param {String} n
+ * @return {RGBA} new node
+ * @api public
+ */
+
+RGBA.prototype.divide = function(n){
+  return new RGBA(
+      this.r / n
+    , this.g / n
+    , this.b / n
+    , this.a); 
+};
+
+/**
+ * Operate on `right` with the given `op`.
+ *
+ * @param {String} op
+ * @param {Node} right
+ * @return {Node}
+ * @api public
+ */
+
+RGBA.prototype.operate = function(op, right){
+  if ('in' != op) right = right.first
+
+  switch (op) {
+    case 'is a':
+      if ('string' == right.nodeName && 'color' == right.string) {
+        return nodes.true;
+      }
+      break;
+    case '+':
+      switch (right.nodeName) {
+        case 'unit':
+          var n = right.val;
+          switch (right.type) {
+            case '%': return adjust(this, new nodes.String('lightness'), right);
+            case 'deg': return this.hsla.adjustHue(n).rgba;
+            default: return this.add(n,n,n,0);
+          }
+        case 'rgba':
+          return this.add(right.r, right.g, right.b, right.a);
+        case 'hsla':
+          return this.hsla.add(right.h, right.s, right.l);
+      }
+      break;
+    case '-':
+      switch (right.nodeName) {
+        case 'unit':
+          var n = right.val;
+          switch (right.type) {
+            case '%': return adjust(this, new nodes.String('lightness'), new nodes.Unit(-n, '%'));
+            case 'deg': return this.hsla.adjustHue(-n).rgba;
+            default: return this.sub(n,n,n,0);
+          }
+        case 'rgba':
+          return this.sub(right.r, right.g, right.b, right.a);
+        case 'hsla':
+          return this.hsla.sub(right.h, right.s, right.l);
+      }
+      break;
+    case '*':
+      switch (right.nodeName) {
+        case 'unit':
+          return this.multiply(right.val);
+      }
+      break;
+    case '/':
+      switch (right.nodeName) {
+        case 'unit':
+          return this.divide(right.val);
+      }
+      break;
+  }
+  return Node.prototype.operate.call(this, op, right);
+};
+
+/**
+ * Return #nnnnnn, #nnn, or rgba(n,n,n,n) string representation of the color.
+ *
+ * @return {String}
+ * @api public
+ */
+
+RGBA.prototype.toString = function(){
+  function pad(n) {
+    return n < 16
+      ? '0' + n.toString(16)
+      : n.toString(16);
+  }
+
+  // special case for transparent named color
+  if ('transparent' == this.name)
+    return this.name;
+
+  if (1 == this.a) {
+    var r = pad(this.r)
+      , g = pad(this.g)
+      , b = pad(this.b);
+
+    // Compress
+    if (r[0] == r[1] && g[0] == g[1] && b[0] == b[1]) {
+      return '#' + r[0] + g[0] + b[0];
+    } else {
+      return '#' + r + g + b;
+    }
+  } else {
+    return 'rgba('
+      + this.r + ','
+      + this.g + ','
+      + this.b + ','
+      + (+this.a.toFixed(3)) + ')';
+  }
+};
+
+/**
+ * Return a `RGBA` from the given `hsla`.
+ *
+ * @param {HSLA} hsla
+ * @return {RGBA}
+ * @api public
+ */
+
+exports.fromHSLA = function(hsla){
+  var h = hsla.h / 360
+    , s = hsla.s / 100
+    , l = hsla.l / 100
+    , a = hsla.a;
+
+  var m2 = l <= .5 ? l * (s + 1) : l + s - l * s
+    , m1 = l * 2 - m2;
+
+  var r = hue(h + 1/3) * 0xff
+    , g = hue(h) * 0xff
+    , b = hue(h - 1/3) * 0xff;
+
+  function hue(h) {
+    if (h < 0) ++h;
+    if (h > 1) --h;
+    if (h * 6 < 1) return m1 + (m2 - m1) * h * 6;
+    if (h * 2 < 1) return m2;
+    if (h * 3 < 2) return m1 + (m2 - m1) * (2/3 - h) * 6;
+    return m1;
+  }
+  
+  return new RGBA(r,g,b,a);
+};
+
+/**
+ * Clamp `n` >= 0 and <= 255.
+ *
+ * @param {Number} n
+ * @return {Number}
+ * @api private
+ */
+
+function clamp(n) {
+  return Math.max(0, Math.min(n.toFixed(0), 255));
+}
+
+/**
+ * Clamp alpha `n` >= 0 and <= 1.
+ *
+ * @param {Number} n
+ * @return {Number}
+ * @api private
+ */
+
+function clampAlpha(n) {
+  return Math.max(0, Math.min(n, 1));
+}