diff --git a/.travis.yml b/.travis.yml
index dc62637..b2d289f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,9 @@
 language: node_js
 node_js:
-  - "4"
-  - "5"
-  - "6"
+  - "9"
+  - "10"
 before_install:
   - npm install -g gulp
 before_script:
   - npm i
-  - node_modules/gulp/bin/gulp.js build
\ No newline at end of file
+  - node_modules/gulp/bin/gulp.js build
diff --git a/README.md b/README.md
index 6a074a0..8435de5 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ particles.js is a lightweight, dependency-free and responsive javascript plugin
 There are several ways to install particles.js:
 - [Download the latest version](https://github.com/marcbruederlin/particles.js/archive/master.zip)
 - Install with npm: `npm install particlesjs --save`
-- Use the CDN: `https://cdnjs.cloudflare.com/ajax/libs/particlesjs/2.2.2/particles.min.js`
+- Use the CDN: `https://cdnjs.cloudflare.com/ajax/libs/particlesjs/2.2.3/particles.min.js`
 
 ## Usage
 Include the minified JS in your HTML (right before the closing body tag).
diff --git a/dist/particles.js b/dist/particles.js
index 5b81ec5..0f60e6b 100644
--- a/dist/particles.js
+++ b/dist/particles.js
@@ -2,7 +2,7 @@
  * A lightweight, dependency-free and responsive javascript plugin for particle backgrounds.
  *
  * @author Marc Bruederlin <hello@marcbruederlin.com>
- * @version 2.2.2
+ * @version 2.2.3
  * @license MIT
  * @see https://github.com/marcbruederlin/particles.js
  */
@@ -88,7 +88,7 @@ var Particles = (function(window, document) {
 
   /**
    * Public method to destroy the plugin.
-   * 
+   *
    * @public
    */
   Plugin.prototype.destroy = function() {
@@ -123,12 +123,12 @@ var Particles = (function(window, document) {
                         _.context.oBackingStorePixelRatio || _.context.backingStorePixelRatio || 1;
 
     _.ratio = devicePixelRatio / backingStoreRatio;
+    _.element.width = (_.element.offsetParent) ? _.element.offsetParent.clientWidth * _.ratio : _.element.clientWidth * _.ratio;
 
-    _.element.width = _.element.offsetParent.clientWidth * _.ratio;
-    if (_.element.offsetParent.nodeName === 'BODY') {
+    if (_.element.offsetParent && _.element.offsetParent.nodeName === 'BODY') {
       _.element.height = window.innerHeight * _.ratio;
     } else {
-      _.element.height = _.element.offsetParent.clientHeight * _.ratio;
+      _.element.height = (_.element.offsetParent) ? _.element.offsetParent.clientHeight * _.ratio : _.element.clientHeight * _.ratio;
     }
     _.element.style.width = '100%';
     _.element.style.height = '100%';
@@ -249,12 +249,12 @@ var Particles = (function(window, document) {
   Plugin.prototype._resize = function() {
     var _ = this;
 
-    _.element.width = _.element.offsetParent.clientWidth * _.ratio;
+    _.element.width = (_.element.offsetParent) ? _.element.offsetParent.clientWidth * _.ratio : _.element.clientWidth * _.ratio;
 
-    if (_.element.offsetParent.nodeName === 'BODY') {
+    if (_.element.offsetParent && _.element.offsetParent.nodeName === 'BODY') {
       _.element.height = window.innerHeight * _.ratio;
     } else {
-      _.element.height = _.element.offsetParent.clientHeight * _.ratio;
+      _.element.height = (_.element.offsetParent) ? _.element.offsetParent.clientHeight * _.ratio : _.element.clientHeight * _.ratio;
     }
 
     _.context.scale(_.ratio, _.ratio);
@@ -322,12 +322,12 @@ var Particles = (function(window, document) {
   Plugin.prototype._draw = function() {
     var _ = this,
         element = _.element,
-        parentWidth = element.offsetParent.clientWidth,
-        parentHeight = element.offsetParent.clientHeight,
+        parentWidth = (element.offsetParent) ? element.offsetParent.clientWidth : element.clientWidth,
+        parentHeight = (element.offsetParent) ? element.offsetParent.clientHeight :  element.clientHeight,
         showParticles = _.options.showParticles,
         storage = _.storage;
 
-    if (element.offsetParent.nodeName === 'BODY') {
+    if (element.offsetParent && element.offsetParent.nodeName === 'BODY') {
       parentHeight = window.innerHeight;
     }
 
@@ -336,7 +336,7 @@ var Particles = (function(window, document) {
 
     for(var i = storage.length; i--;) {
       var particle = storage[i];
-      
+
       if (showParticles) {
         particle._draw();
       }
@@ -459,12 +459,12 @@ var Particles = (function(window, document) {
     _.options = options;
 
     var canvas = document.querySelector(options.selector);
-    _.x = random() * canvas.offsetParent.clientWidth;
+    _.x = (canvas.offsetParent) ? random() * canvas.offsetParent.clientWidth : random() * canvas.clientWidth;
 
-    if (canvas.offsetParent.nodeName === 'BODY') {
+    if (canvas.offsetParent && canvas.offsetParent.nodeName === 'BODY') {
       _.y = random() * window.innerHeight;
     } else {
-      _.y = random() * canvas.offsetParent.clientHeight;
+      _.y = (canvas.offsetParent) ? random() * canvas.offsetParent.clientHeight : random() * canvas.clientHeight;
     }
 
     _.vx = random() * speed * 2 - speed;
@@ -502,7 +502,7 @@ var Particles = (function(window, document) {
    */
   Particle.prototype._updateCoordinates = function(parentWidth, parentHeight) {
     var _ = this,
-    
+
         x = _.x + this.vx,
         y = _.y + this.vy,
         radius = _.radius;
@@ -531,7 +531,7 @@ var Particles = (function(window, document) {
   window.requestAnimFrame = (function() {
     var _ = this,
     requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
-    
+
     if (requestAnimationFrame) {
       return requestAnimationFrame;
     }
diff --git a/dist/particles.min.js b/dist/particles.min.js
index e313036..df0021d 100644
--- a/dist/particles.min.js
+++ b/dist/particles.min.js
@@ -2,8 +2,8 @@
  * A lightweight, dependency-free and responsive javascript plugin for particle backgrounds.
  *
  * @author Marc Bruederlin <hello@marcbruederlin.com>
- * @version 2.2.2
+ * @version 2.2.3
  * @license MIT
  * @see https://github.com/marcbruederlin/particles.js
  */
-var Particles=function(t,e){"use strict";var n,i={};function o(t,e){return t.x<e.x?-1:t.x>e.x?1:t.y<e.y?-1:t.y>e.y?1:0}return(n=function(){return function(){var t=this;t.defaults={responsive:null,selector:null,maxParticles:100,sizeVariations:3,showParticles:!0,speed:.5,color:"#000000",minDistance:120,connectParticles:!1},t.element=null,t.context=null,t.ratio=null,t.breakpoints=[],t.activeBreakpoint=null,t.breakpointSettings=[],t.originalSettings=null,t.storage=[],t.usingPolyfill=!1}}()).prototype.init=function(t){var e=this;return e.options=e._extend(e.defaults,t),e.originalSettings=JSON.parse(JSON.stringify(e.options)),e._animate=e._animate.bind(e),e._initializeCanvas(),e._initializeEvents(),e._registerBreakpoints(),e._checkResponsive(),e._initializeStorage(),e._animate(),e},n.prototype.destroy=function(){var e=this;e.storage=[],e.element.remove(),t.removeEventListener("resize",e.listener,!1),t.clearTimeout(e._animation),cancelAnimationFrame(e._animation)},n.prototype._initializeCanvas=function(){var n,i,o=this;if(!o.options.selector)return console.warn("particles.js: No selector specified! Check https://github.com/marcbruederlin/particles.js#options"),!1;o.element=e.querySelector(o.options.selector),o.context=o.element.getContext("2d"),n=t.devicePixelRatio||1,i=o.context.webkitBackingStorePixelRatio||o.context.mozBackingStorePixelRatio||o.context.msBackingStorePixelRatio||o.context.oBackingStorePixelRatio||o.context.backingStorePixelRatio||1,o.ratio=n/i,o.element.width=o.element.offsetParent.clientWidth*o.ratio,"BODY"===o.element.offsetParent.nodeName?o.element.height=t.innerHeight*o.ratio:o.element.height=o.element.offsetParent.clientHeight*o.ratio,o.element.style.width="100%",o.element.style.height="100%",o.context.scale(o.ratio,o.ratio)},n.prototype._initializeEvents=function(){var e=this;e.listener=function(){e._resize()}.bind(this),t.addEventListener("resize",e.listener,!1)},n.prototype._initializeStorage=function(){var t=this;t.storage=[];for(var e=t.options.maxParticles;e--;)t.storage.push(new i(t.context,t.options))},n.prototype._registerBreakpoints=function(){var t,e,n,i=this,o=i.options.responsive||null;if("object"==typeof o&&null!==o&&o.length){for(t in o)if(n=i.breakpoints.length-1,e=o[t].breakpoint,o.hasOwnProperty(t)){for(;n>=0;)i.breakpoints[n]&&i.breakpoints[n]===e&&i.breakpoints.splice(n,1),n--;i.breakpoints.push(e),i.breakpointSettings[e]=o[t].options}i.breakpoints.sort(function(t,e){return e-t})}},n.prototype._checkResponsive=function(){var e,n=this,i=!1,o=t.innerWidth;if(n.options.responsive&&n.options.responsive.length&&null!==n.options.responsive){for(e in i=null,n.breakpoints)n.breakpoints.hasOwnProperty(e)&&o<=n.breakpoints[e]&&(i=n.breakpoints[e]);null!==i?(n.activeBreakpoint=i,n.options=n._extend(n.options,n.breakpointSettings[i])):null!==n.activeBreakpoint&&(n.activeBreakpoint=null,i=null,n.options=n._extend(n.options,n.originalSettings))}},n.prototype._refresh=function(){this._initializeStorage(),this._draw()},n.prototype._resize=function(){var e=this;e.element.width=e.element.offsetParent.clientWidth*e.ratio,"BODY"===e.element.offsetParent.nodeName?e.element.height=t.innerHeight*e.ratio:e.element.height=e.element.offsetParent.clientHeight*e.ratio,e.context.scale(e.ratio,e.ratio),clearTimeout(e.windowDelay),e.windowDelay=t.setTimeout(function(){e._checkResponsive(),e._refresh()},50)},n.prototype._animate=function(){var e=this;e._draw(),e._animation=t.requestAnimFrame(e._animate)},n.prototype.resumeAnimation=function(){this._animation||this._animate()},n.prototype.pauseAnimation=function(){var e=this;if(e._animation){if(e.usingPolyfill)t.clearTimeout(e._animation);else(t.cancelAnimationFrame||t.webkitCancelAnimationFrame||t.mozCancelAnimationFrame)(e._animation);e._animation=null}},n.prototype._draw=function(){var e=this,n=e.element,i=n.offsetParent.clientWidth,r=n.offsetParent.clientHeight,a=e.options.showParticles,s=e.storage;"BODY"===n.offsetParent.nodeName&&(r=t.innerHeight),e.context.clearRect(0,0,n.width,n.height),e.context.beginPath();for(var l=s.length;l--;){var c=s[l];a&&c._draw(),c._updateCoordinates(i,r)}e.options.connectParticles&&(s.sort(o),e._updateEdges())},n.prototype._updateEdges=function(){for(var t=this,e=t.options.minDistance,n=Math.sqrt,i=Math.abs,o=t.storage,r=o.length,a=0;a<r;a++)for(var s=o[a],l=a+1;l<r;l++){var c,p=o[l],u=s.x-p.x,f=s.y-p.y;if(c=n(u*u+f*f),i(u)>e)break;c<=e&&t._drawEdge(s,p,1.2-c/e)}},n.prototype._drawEdge=function(t,e,n){var i=this,o=i.context.createLinearGradient(t.x,t.y,e.x,e.y),r=this._hex2rgb(t.color),a=this._hex2rgb(e.color);o.addColorStop(0,"rgba("+r.r+","+r.g+","+r.b+","+n+")"),o.addColorStop(1,"rgba("+a.r+","+a.g+","+a.b+","+n+")"),i.context.beginPath(),i.context.strokeStyle=o,i.context.moveTo(t.x,t.y),i.context.lineTo(e.x,e.y),i.context.stroke(),i.context.fill(),i.context.closePath()},n.prototype._extend=function(t,e){return Object.keys(e).forEach(function(n){t[n]=e[n]}),t},n.prototype._hex2rgb=function(t){var e=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(t);return e?{r:parseInt(e[1],16),g:parseInt(e[2],16),b:parseInt(e[3],16)}:null},(i=function(n,i){var o=this,r=Math.random,a=i.speed,s=i.color instanceof Array?i.color[Math.floor(Math.random()*i.color.length)]:i.color;o.context=n,o.options=i;var l=e.querySelector(i.selector);o.x=r()*l.offsetParent.clientWidth,"BODY"===l.offsetParent.nodeName?o.y=r()*t.innerHeight:o.y=r()*l.offsetParent.clientHeight,o.vx=r()*a*2-a,o.vy=r()*a*2-a,o.radius=r()*r()*i.sizeVariations,o.color=s,o._draw()}).prototype._draw=function(){var t=this;t.context.save(),t.context.translate(t.x,t.y),t.context.moveTo(0,0),t.context.beginPath(),t.context.arc(0,0,t.radius,0,2*Math.PI,!1),t.context.fillStyle=t.color,t.context.fill(),t.context.restore()},i.prototype._updateCoordinates=function(t,e){var n=this,i=n.x+this.vx,o=n.y+this.vy,r=n.radius;i+r>t?i=r:i-r<0&&(i=t-r),o+r>e?o=r:o-r<0&&(o=e-r),n.x=i,n.y=o},t.requestAnimFrame=function(){var e=t.requestAnimationFrame||t.webkitRequestAnimationFrame||t.mozRequestAnimationFrame;return e||(this._usingPolyfill=!0,function(e){return t.setTimeout(e,1e3/60)})}(),new n}(window,document);!function(){"use strict";"function"==typeof define&&define.amd?define("Particles",function(){return Particles}):"undefined"!=typeof module&&module.exports?module.exports=Particles:window.Particles=Particles}();
\ No newline at end of file
+var Particles=function(e,t){"use strict";var n,i={};function o(e,t){return e.x<t.x?-1:e.x>t.x?1:e.y<t.y?-1:e.y>t.y?1:0}return(n=function(){return function(){var e=this;e.defaults={responsive:null,selector:null,maxParticles:100,sizeVariations:3,showParticles:!0,speed:.5,color:"#000000",minDistance:120,connectParticles:!1},e.element=null,e.context=null,e.ratio=null,e.breakpoints=[],e.activeBreakpoint=null,e.breakpointSettings=[],e.originalSettings=null,e.storage=[],e.usingPolyfill=!1}}()).prototype.init=function(e){var t=this;return t.options=t._extend(t.defaults,e),t.originalSettings=JSON.parse(JSON.stringify(t.options)),t._animate=t._animate.bind(t),t._initializeCanvas(),t._initializeEvents(),t._registerBreakpoints(),t._checkResponsive(),t._initializeStorage(),t._animate(),t},n.prototype.destroy=function(){var t=this;t.storage=[],t.element.remove(),e.removeEventListener("resize",t.listener,!1),e.clearTimeout(t._animation),cancelAnimationFrame(t._animation)},n.prototype._initializeCanvas=function(){var n,i,o=this;if(!o.options.selector)return console.warn("particles.js: No selector specified! Check https://github.com/marcbruederlin/particles.js#options"),!1;o.element=t.querySelector(o.options.selector),o.context=o.element.getContext("2d"),n=e.devicePixelRatio||1,i=o.context.webkitBackingStorePixelRatio||o.context.mozBackingStorePixelRatio||o.context.msBackingStorePixelRatio||o.context.oBackingStorePixelRatio||o.context.backingStorePixelRatio||1,o.ratio=n/i,o.element.width=o.element.offsetParent?o.element.offsetParent.clientWidth*o.ratio:o.element.clientWidth*o.ratio,o.element.offsetParent&&"BODY"===o.element.offsetParent.nodeName?o.element.height=e.innerHeight*o.ratio:o.element.height=o.element.offsetParent?o.element.offsetParent.clientHeight*o.ratio:o.element.clientHeight*o.ratio,o.element.style.width="100%",o.element.style.height="100%",o.context.scale(o.ratio,o.ratio)},n.prototype._initializeEvents=function(){var t=this;t.listener=function(){t._resize()}.bind(this),e.addEventListener("resize",t.listener,!1)},n.prototype._initializeStorage=function(){var e=this;e.storage=[];for(var t=e.options.maxParticles;t--;)e.storage.push(new i(e.context,e.options))},n.prototype._registerBreakpoints=function(){var e,t,n,i=this,o=i.options.responsive||null;if("object"==typeof o&&null!==o&&o.length){for(e in o)if(n=i.breakpoints.length-1,t=o[e].breakpoint,o.hasOwnProperty(e)){for(;n>=0;)i.breakpoints[n]&&i.breakpoints[n]===t&&i.breakpoints.splice(n,1),n--;i.breakpoints.push(t),i.breakpointSettings[t]=o[e].options}i.breakpoints.sort(function(e,t){return t-e})}},n.prototype._checkResponsive=function(){var t,n=this,i=!1,o=e.innerWidth;if(n.options.responsive&&n.options.responsive.length&&null!==n.options.responsive){for(t in i=null,n.breakpoints)n.breakpoints.hasOwnProperty(t)&&o<=n.breakpoints[t]&&(i=n.breakpoints[t]);null!==i?(n.activeBreakpoint=i,n.options=n._extend(n.options,n.breakpointSettings[i])):null!==n.activeBreakpoint&&(n.activeBreakpoint=null,i=null,n.options=n._extend(n.options,n.originalSettings))}},n.prototype._refresh=function(){this._initializeStorage(),this._draw()},n.prototype._resize=function(){var t=this;t.element.width=t.element.offsetParent?t.element.offsetParent.clientWidth*t.ratio:t.element.clientWidth*t.ratio,t.element.offsetParent&&"BODY"===t.element.offsetParent.nodeName?t.element.height=e.innerHeight*t.ratio:t.element.height=t.element.offsetParent?t.element.offsetParent.clientHeight*t.ratio:t.element.clientHeight*t.ratio,t.context.scale(t.ratio,t.ratio),clearTimeout(t.windowDelay),t.windowDelay=e.setTimeout(function(){t._checkResponsive(),t._refresh()},50)},n.prototype._animate=function(){var t=this;t._draw(),t._animation=e.requestAnimFrame(t._animate)},n.prototype.resumeAnimation=function(){this._animation||this._animate()},n.prototype.pauseAnimation=function(){var t=this;if(t._animation){if(t.usingPolyfill)e.clearTimeout(t._animation);else(e.cancelAnimationFrame||e.webkitCancelAnimationFrame||e.mozCancelAnimationFrame)(t._animation);t._animation=null}},n.prototype._draw=function(){var t=this,n=t.element,i=n.offsetParent?n.offsetParent.clientWidth:n.clientWidth,r=n.offsetParent?n.offsetParent.clientHeight:n.clientHeight,a=t.options.showParticles,s=t.storage;n.offsetParent&&"BODY"===n.offsetParent.nodeName&&(r=e.innerHeight),t.context.clearRect(0,0,n.width,n.height),t.context.beginPath();for(var l=s.length;l--;){var c=s[l];a&&c._draw(),c._updateCoordinates(i,r)}t.options.connectParticles&&(s.sort(o),t._updateEdges())},n.prototype._updateEdges=function(){for(var e=this,t=e.options.minDistance,n=Math.sqrt,i=Math.abs,o=e.storage,r=o.length,a=0;a<r;a++)for(var s=o[a],l=a+1;l<r;l++){var c,f=o[l],p=s.x-f.x,h=s.y-f.y;if(c=n(p*p+h*h),i(p)>t)break;c<=t&&e._drawEdge(s,f,1.2-c/t)}},n.prototype._drawEdge=function(e,t,n){var i=this,o=i.context.createLinearGradient(e.x,e.y,t.x,t.y),r=this._hex2rgb(e.color),a=this._hex2rgb(t.color);o.addColorStop(0,"rgba("+r.r+","+r.g+","+r.b+","+n+")"),o.addColorStop(1,"rgba("+a.r+","+a.g+","+a.b+","+n+")"),i.context.beginPath(),i.context.strokeStyle=o,i.context.moveTo(e.x,e.y),i.context.lineTo(t.x,t.y),i.context.stroke(),i.context.fill(),i.context.closePath()},n.prototype._extend=function(e,t){return Object.keys(t).forEach(function(n){e[n]=t[n]}),e},n.prototype._hex2rgb=function(e){var t=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(e);return t?{r:parseInt(t[1],16),g:parseInt(t[2],16),b:parseInt(t[3],16)}:null},(i=function(n,i){var o=this,r=Math.random,a=i.speed,s=i.color instanceof Array?i.color[Math.floor(Math.random()*i.color.length)]:i.color;o.context=n,o.options=i;var l=t.querySelector(i.selector);o.x=l.offsetParent?r()*l.offsetParent.clientWidth:r()*l.clientWidth,l.offsetParent&&"BODY"===l.offsetParent.nodeName?o.y=r()*e.innerHeight:o.y=l.offsetParent?r()*l.offsetParent.clientHeight:r()*l.clientHeight,o.vx=r()*a*2-a,o.vy=r()*a*2-a,o.radius=r()*r()*i.sizeVariations,o.color=s,o._draw()}).prototype._draw=function(){var e=this;e.context.save(),e.context.translate(e.x,e.y),e.context.moveTo(0,0),e.context.beginPath(),e.context.arc(0,0,e.radius,0,2*Math.PI,!1),e.context.fillStyle=e.color,e.context.fill(),e.context.restore()},i.prototype._updateCoordinates=function(e,t){var n=this,i=n.x+this.vx,o=n.y+this.vy,r=n.radius;i+r>e?i=r:i-r<0&&(i=e-r),o+r>t?o=r:o-r<0&&(o=t-r),n.x=i,n.y=o},e.requestAnimFrame=function(){var t=e.requestAnimationFrame||e.webkitRequestAnimationFrame||e.mozRequestAnimationFrame;return t||(this._usingPolyfill=!0,function(t){return e.setTimeout(t,1e3/60)})}(),new n}(window,document);!function(){"use strict";"function"==typeof define&&define.amd?define("Particles",function(){return Particles}):"undefined"!=typeof module&&module.exports?module.exports=Particles:window.Particles=Particles}();
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index cde44b0..69088f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "particlesjs",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -55,8 +55,8 @@
       "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
       "dev": true,
       "requires": {
-        "micromatch": "2.3.11",
-        "normalize-path": "2.1.1"
+        "micromatch": "^2.1.5",
+        "normalize-path": "^2.0.0"
       },
       "dependencies": {
         "arr-diff": {
@@ -65,7 +65,7 @@
           "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
           "dev": true,
           "requires": {
-            "arr-flatten": "1.1.0"
+            "arr-flatten": "^1.0.1"
           }
         },
         "array-unique": {
@@ -80,9 +80,9 @@
           "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=",
           "dev": true,
           "requires": {
-            "expand-range": "1.8.2",
-            "preserve": "0.2.0",
-            "repeat-element": "1.1.2"
+            "expand-range": "^1.8.1",
+            "preserve": "^0.2.0",
+            "repeat-element": "^1.1.2"
           }
         },
         "expand-brackets": {
@@ -91,7 +91,7 @@
           "integrity": "sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=",
           "dev": true,
           "requires": {
-            "is-posix-bracket": "0.1.1"
+            "is-posix-bracket": "^0.1.0"
           }
         },
         "extglob": {
@@ -100,7 +100,7 @@
           "integrity": "sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=",
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
+            "is-extglob": "^1.0.0"
           }
         },
         "is-extglob": {
@@ -115,7 +115,7 @@
           "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
           "dev": true,
           "requires": {
-            "is-extglob": "1.0.0"
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+        "dom-serializer": "0",
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@@ -744,7 +744,7 @@
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@@ -859,9 +859,9 @@
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@@ -887,11 +887,11 @@
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           "dev": true,
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-            "isobject": "2.1.0",
-            "randomatic": "1.1.7",
-            "repeat-element": "1.1.2",
-            "repeat-string": "1.6.1"
+            "is-number": "^2.1.0",
+            "isobject": "^2.0.0",
+            "randomatic": "^1.1.3",
+            "repeat-element": "^1.1.2",
+            "repeat-string": "^1.5.2"
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@@ -900,7 +900,7 @@
           "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
           "dev": true,
           "requires": {
-            "kind-of": "3.2.2"
+            "kind-of": "^3.0.2"
           }
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         "isarray": {
@@ -924,7 +924,7 @@
           "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
           "dev": true,
           "requires": {
-            "is-buffer": "1.1.6"
+            "is-buffer": "^1.1.5"
           }
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       }
@@ -935,13 +935,13 @@
       "integrity": "sha1-l+gBqgUt8CRU3kawK/YhZCzchQI=",
       "dev": true,
       "requires": {
-        "homedir-polyfill": "1.0.1"
+        "homedir-polyfill": "^1.0.1"
       }
     },
     "extend": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
       "dev": true
     },
     "extend-shallow": {
@@ -950,7 +950,7 @@
       "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
       "dev": true,
       "requires": {
-        "is-extendable": "0.1.1"
+        "is-extendable": "^0.1.0"
       }
     },
     "extglob": {
@@ -959,14 +959,14 @@
       "integrity": "sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==",
       "dev": true,
       "requires": {
-        "array-unique": "0.3.2",
-        "define-property": "1.0.0",
-        "expand-brackets": "2.1.4",
-        "extend-shallow": "2.0.1",
-        "fragment-cache": "0.2.1",
-        "regex-not": "1.0.0",
-        "snapdragon": "0.8.1",
-        "to-regex": "3.0.1"
+        "array-unique": "^0.3.2",
+        "define-property": "^1.0.0",
+        "expand-brackets": "^2.1.4",
+        "extend-shallow": "^2.0.1",
+        "fragment-cache": "^0.2.1",
+        "regex-not": "^1.0.0",
+        "snapdragon": "^0.8.1",
+        "to-regex": "^3.0.1"
       }
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     "fancy-log": {
@@ -975,9 +975,9 @@
       "integrity": "sha1-9BEl49hPLn2JpD0G2VjI94vha+E=",
       "dev": true,
       "requires": {
-        "ansi-gray": "0.1.1",
-        "color-support": "1.1.3",
-        "time-stamp": "1.1.0"
+        "ansi-gray": "^0.1.1",
+        "color-support": "^1.1.3",
+        "time-stamp": "^1.0.0"
       }
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     "filename-regex": {
@@ -992,10 +992,10 @@
       "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
       "dev": true,
       "requires": {
-        "extend-shallow": "2.0.1",
-        "is-number": "3.0.0",
-        "repeat-string": "1.6.1",
-        "to-regex-range": "2.1.1"
+        "extend-shallow": "^2.0.1",
+        "is-number": "^3.0.0",
+        "repeat-string": "^1.6.1",
+        "to-regex-range": "^2.1.0"
       }
     },
     "find-index": {
@@ -1010,7 +1010,7 @@
       "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
       "dev": true,
       "requires": {
-        "locate-path": "2.0.0"
+        "locate-path": "^2.0.0"
       }
     },
     "findup-sync": {
@@ -1019,10 +1019,10 @@
       "integrity": "sha1-kyaxSIwi0aYIhlCoaQGy2akKLLw=",
       "dev": true,
       "requires": {
-        "detect-file": "1.0.0",
-        "is-glob": "3.1.0",
-        "micromatch": "3.1.5",
-        "resolve-dir": "1.0.1"
+        "detect-file": "^1.0.0",
+        "is-glob": "^3.1.0",
+        "micromatch": "^3.0.4",
+        "resolve-dir": "^1.0.1"
       }
     },
     "fined": {
@@ -1031,11 +1031,11 @@
       "integrity": "sha1-s33IRLdqL15wgeiE98CuNE8VNHY=",
       "dev": true,
       "requires": {
-        "expand-tilde": "2.0.2",
-        "is-plain-object": "2.0.4",
-        "object.defaults": "1.1.0",
-        "object.pick": "1.3.0",
-        "parse-filepath": "1.0.2"
+        "expand-tilde": "^2.0.2",
+        "is-plain-object": "^2.0.3",
+        "object.defaults": "^1.1.0",
+        "object.pick": "^1.2.0",
+        "parse-filepath": "^1.0.1"
       }
     },
     "first-chunk-stream": {
@@ -1062,7 +1062,7 @@
       "integrity": "sha1-xjMy9BXO3EsE2/5wz4NklMU8tEs=",
       "dev": true,
       "requires": {
-        "for-in": "1.0.2"
+        "for-in": "^1.0.1"
       }
     },
     "fragment-cache": {
@@ -1071,7 +1071,7 @@
       "integrity": "sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=",
       "dev": true,
       "requires": {
-        "map-cache": "0.2.2"
+        "map-cache": "^0.2.2"
       }
     },
     "fs.realpath": {
@@ -1087,8 +1087,8 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "nan": "2.8.0",
-        "node-pre-gyp": "0.6.39"
+        "nan": "^2.3.0",
+        "node-pre-gyp": "^0.6.39"
       },
       "dependencies": {
         "abbrev": {
@@ -1103,8 +1103,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "co": "4.6.0",
-            "json-stable-stringify": "1.0.1"
+            "co": "^4.6.0",
+            "json-stable-stringify": "^1.0.1"
           }
         },
         "ansi-regex": {
@@ -1124,8 +1124,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.2.9"
+            "delegates": "^1.0.0",
+            "readable-stream": "^2.0.6"
           }
         },
         "asn1": {
@@ -1169,7 +1169,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "tweetnacl": "0.14.5"
+            "tweetnacl": "^0.14.3"
           }
         },
         "block-stream": {
@@ -1177,7 +1177,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "inherits": "2.0.3"
+            "inherits": "~2.0.0"
           }
         },
         "boom": {
@@ -1185,7 +1185,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "hoek": "2.16.3"
+            "hoek": "2.x.x"
           }
         },
         "brace-expansion": {
@@ -1193,7 +1193,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "0.4.2",
+            "balanced-match": "^0.4.1",
             "concat-map": "0.0.1"
           }
         },
@@ -1224,7 +1224,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "delayed-stream": "1.0.0"
+            "delayed-stream": "~1.0.0"
           }
         },
         "concat-map": {
@@ -1247,7 +1247,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "boom": "2.10.1"
+            "boom": "2.x.x"
           }
         },
         "dashdash": {
@@ -1256,7 +1256,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "assert-plus": "1.0.0"
+            "assert-plus": "^1.0.0"
           },
           "dependencies": {
             "assert-plus": {
@@ -1305,7 +1305,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "jsbn": "0.1.1"
+            "jsbn": "~0.1.0"
           }
         },
         "extend": {
@@ -1331,9 +1331,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "asynckit": "0.4.0",
-            "combined-stream": "1.0.5",
-            "mime-types": "2.1.15"
+            "asynckit": "^0.4.0",
+            "combined-stream": "^1.0.5",
+            "mime-types": "^2.1.12"
           }
         },
         "fs.realpath": {
@@ -1346,10 +1346,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "4.1.11",
-            "inherits": "2.0.3",
-            "mkdirp": "0.5.1",
-            "rimraf": "2.6.1"
+            "graceful-fs": "^4.1.2",
+            "inherits": "~2.0.0",
+            "mkdirp": ">=0.5 0",
+            "rimraf": "2"
           }
         },
         "fstream-ignore": {
@@ -1358,9 +1358,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "fstream": "1.0.11",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4"
+            "fstream": "^1.0.0",
+            "inherits": "2",
+            "minimatch": "^3.0.0"
           }
         },
         "gauge": {
@@ -1369,14 +1369,14 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "aproba": "1.1.1",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.2"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
+            "object-assign": "^4.1.0",
+            "signal-exit": "^3.0.0",
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wide-align": "^1.1.0"
           }
         },
         "getpass": {
@@ -1385,7 +1385,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "assert-plus": "1.0.0"
+            "assert-plus": "^1.0.0"
           },
           "dependencies": {
             "assert-plus": {
@@ -1401,12 +1401,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
           }
         },
         "graceful-fs": {
@@ -1426,8 +1426,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "ajv": "4.11.8",
-            "har-schema": "1.0.5"
+            "ajv": "^4.9.1",
+            "har-schema": "^1.0.5"
           }
         },
         "has-unicode": {
@@ -1441,10 +1441,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "boom": "2.10.1",
-            "cryptiles": "2.0.5",
-            "hoek": "2.16.3",
-            "sntp": "1.0.9"
+            "boom": "2.x.x",
+            "cryptiles": "2.x.x",
+            "hoek": "2.x.x",
+            "sntp": "1.x.x"
           }
         },
         "hoek": {
@@ -1458,9 +1458,9 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "assert-plus": "0.2.0",
-            "jsprim": "1.4.0",
-            "sshpk": "1.13.0"
+            "assert-plus": "^0.2.0",
+            "jsprim": "^1.2.2",
+            "sshpk": "^1.7.0"
           }
         },
         "inflight": {
@@ -1468,8 +1468,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
+            "wrappy": "1"
           }
         },
         "inherits": {
@@ -1488,7 +1488,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "is-typedarray": {
@@ -1514,7 +1514,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "jsbn": "0.1.1"
+            "jsbn": "~0.1.0"
           }
         },
         "jsbn": {
@@ -1535,7 +1535,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "jsonify": "0.0.0"
+            "jsonify": "~0.0.0"
           }
         },
         "json-stringify-safe": {
@@ -1580,7 +1580,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "mime-db": "1.27.0"
+            "mime-db": "~1.27.0"
           }
         },
         "minimatch": {
@@ -1588,7 +1588,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "1.1.7"
+            "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
@@ -1616,17 +1616,17 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "detect-libc": "1.0.2",
+            "detect-libc": "^1.0.2",
             "hawk": "3.1.3",
-            "mkdirp": "0.5.1",
-            "nopt": "4.0.1",
-            "npmlog": "4.1.0",
-            "rc": "1.2.1",
+            "mkdirp": "^0.5.1",
+            "nopt": "^4.0.1",
+            "npmlog": "^4.0.2",
+            "rc": "^1.1.7",
             "request": "2.81.0",
-            "rimraf": "2.6.1",
-            "semver": "5.3.0",
-            "tar": "2.2.1",
-            "tar-pack": "3.4.0"
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
+            "tar": "^2.2.1",
+            "tar-pack": "^3.4.0"
           }
         },
         "nopt": {
@@ -1635,8 +1635,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "abbrev": "1.1.0",
-            "osenv": "0.1.4"
+            "abbrev": "1",
+            "osenv": "^0.1.4"
           }
         },
         "npmlog": {
@@ -1645,10 +1645,10 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "are-we-there-yet": "1.1.4",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
           }
         },
         "number-is-nan": {
@@ -1673,7 +1673,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1.0.2"
+            "wrappy": "1"
           }
         },
         "os-homedir": {
@@ -1694,8 +1694,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
+            "os-homedir": "^1.0.0",
+            "os-tmpdir": "^1.0.0"
           }
         },
         "path-is-absolute": {
@@ -1732,10 +1732,10 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "deep-extend": "0.4.2",
-            "ini": "1.3.4",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "~0.4.0",
+            "ini": "~1.3.0",
+            "minimist": "^1.2.0",
+            "strip-json-comments": "~2.0.1"
           },
           "dependencies": {
             "minimist": {
@@ -1751,13 +1751,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "buffer-shims": "1.0.0",
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "1.0.7",
-            "string_decoder": "1.0.1",
-            "util-deprecate": "1.0.2"
+            "buffer-shims": "~1.0.0",
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~1.0.6",
+            "string_decoder": "~1.0.0",
+            "util-deprecate": "~1.0.1"
           }
         },
         "request": {
@@ -1766,28 +1766,28 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "aws-sign2": "0.6.0",
-            "aws4": "1.6.0",
-            "caseless": "0.12.0",
-            "combined-stream": "1.0.5",
-            "extend": "3.0.1",
-            "forever-agent": "0.6.1",
-            "form-data": "2.1.4",
-            "har-validator": "4.2.1",
-            "hawk": "3.1.3",
-            "http-signature": "1.1.1",
-            "is-typedarray": "1.0.0",
-            "isstream": "0.1.2",
-            "json-stringify-safe": "5.0.1",
-            "mime-types": "2.1.15",
-            "oauth-sign": "0.8.2",
-            "performance-now": "0.2.0",
-            "qs": "6.4.0",
-            "safe-buffer": "5.0.1",
-            "stringstream": "0.0.5",
-            "tough-cookie": "2.3.2",
-            "tunnel-agent": "0.6.0",
-            "uuid": "3.0.1"
+            "aws-sign2": "~0.6.0",
+            "aws4": "^1.2.1",
+            "caseless": "~0.12.0",
+            "combined-stream": "~1.0.5",
+            "extend": "~3.0.0",
+            "forever-agent": "~0.6.1",
+            "form-data": "~2.1.1",
+            "har-validator": "~4.2.1",
+            "hawk": "~3.1.3",
+            "http-signature": "~1.1.0",
+            "is-typedarray": "~1.0.0",
+            "isstream": "~0.1.2",
+            "json-stringify-safe": "~5.0.1",
+            "mime-types": "~2.1.7",
+            "oauth-sign": "~0.8.1",
+            "performance-now": "^0.2.0",
+            "qs": "~6.4.0",
+            "safe-buffer": "^5.0.1",
+            "stringstream": "~0.0.4",
+            "tough-cookie": "~2.3.0",
+            "tunnel-agent": "^0.6.0",
+            "uuid": "^3.0.0"
           }
         },
         "rimraf": {
@@ -1795,7 +1795,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob": "7.1.2"
+            "glob": "^7.0.5"
           }
         },
         "safe-buffer": {
@@ -1826,7 +1826,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "hoek": "2.16.3"
+            "hoek": "2.x.x"
           }
         },
         "sshpk": {
@@ -1835,15 +1835,15 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "asn1": "0.2.3",
-            "assert-plus": "1.0.0",
-            "bcrypt-pbkdf": "1.0.1",
-            "dashdash": "1.14.1",
-            "ecc-jsbn": "0.1.1",
-            "getpass": "0.1.7",
-            "jodid25519": "1.0.2",
-            "jsbn": "0.1.1",
-            "tweetnacl": "0.14.5"
+            "asn1": "~0.2.3",
+            "assert-plus": "^1.0.0",
+            "bcrypt-pbkdf": "^1.0.0",
+            "dashdash": "^1.12.0",
+            "ecc-jsbn": "~0.1.1",
+            "getpass": "^0.1.1",
+            "jodid25519": "^1.0.0",
+            "jsbn": "~0.1.0",
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@@ -1869,7 +1869,7 @@
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@@ -1883,7 +1883,7 @@
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@@ -1897,9 +1897,9 @@
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@@ -1924,7 +1924,7 @@
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@@ -1933,7 +1933,7 @@
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@@ -1974,7 +1974,7 @@
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@@ -1990,7 +1990,7 @@
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@@ -2017,10 +2017,10 @@
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@@ -2029,8 +2029,8 @@
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@@ -2039,7 +2039,7 @@
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@@ -2054,7 +2054,7 @@
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@@ -2065,8 +2065,8 @@
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@@ -2075,12 +2075,12 @@
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@@ -2113,7 +2113,7 @@
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@@ -2122,7 +2122,7 @@
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@@ -2142,11 +2142,11 @@
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@@ -2155,9 +2155,9 @@
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@@ -2166,9 +2166,9 @@
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@@ -2189,8 +2189,8 @@
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@@ -2201,7 +2201,7 @@
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@@ -2210,7 +2210,7 @@
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@@ -2219,19 +2219,19 @@
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-        "tildify": "1.2.0",
-        "v8flags": "2.1.1",
-        "vinyl-fs": "0.3.14"
+        "archy": "^1.0.0",
+        "chalk": "^1.0.0",
+        "deprecated": "^0.0.1",
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@@ -2240,11 +2240,11 @@
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-        "vinyl": "2.1.0"
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@@ -2271,12 +2271,12 @@
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@@ -2306,7 +2306,7 @@
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@@ -2323,13 +2323,13 @@
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@@ -2346,24 +2346,24 @@
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-        "multipipe": "0.1.2",
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@@ -2372,16 +2372,16 @@
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-        "vinyl": "2.1.0",
-        "vinyl-file": "2.0.0"
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@@ -2414,13 +2414,13 @@
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@@ -2435,7 +2435,7 @@
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@@ -2444,12 +2444,12 @@
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@@ -2460,7 +2460,7 @@
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@@ -2469,7 +2469,7 @@
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@@ -2478,7 +2478,7 @@
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@@ -2487,9 +2487,9 @@
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           }
@@ -4777,9 +4766,9 @@
           "integrity": "sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==",
           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "0.1.6",
-            "is-data-descriptor": "0.1.4",
-            "kind-of": "5.1.0"
+            "is-accessor-descriptor": "^0.1.6",
+            "is-data-descriptor": "^0.1.4",
+            "kind-of": "^5.0.0"
           }
         },
         "kind-of": {
@@ -4808,7 +4797,7 @@
       "integrity": "sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=",
       "dev": true,
       "requires": {
-        "user-home": "1.1.1"
+        "user-home": "^1.1.1"
       }
     },
     "vinyl": {
@@ -4817,8 +4806,8 @@
       "integrity": "sha1-sEVbOPxeDPMNQyUTLkYZcMIJHN4=",
       "dev": true,
       "requires": {
-        "clone": "1.0.3",
-        "clone-stats": "0.0.1",
+        "clone": "^1.0.0",
+        "clone-stats": "^0.0.1",
         "replace-ext": "0.0.1"
       }
     },
@@ -4828,12 +4817,12 @@
       "integrity": "sha1-p+v1/779obfRjRQPyweyI++2dRo=",
       "dev": true,
       "requires": {
-        "graceful-fs": "4.1.11",
-        "pify": "2.3.0",
-        "pinkie-promise": "2.0.1",
-        "strip-bom": "2.0.0",
-        "strip-bom-stream": "2.0.0",
-        "vinyl": "1.2.0"
+        "graceful-fs": "^4.1.2",
+        "pify": "^2.3.0",
+        "pinkie-promise": "^2.0.0",
+        "strip-bom": "^2.0.0",
+        "strip-bom-stream": "^2.0.0",
+        "vinyl": "^1.1.0"
       },
       "dependencies": {
         "graceful-fs": {
@@ -4848,7 +4837,7 @@
           "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
           "dev": true,
           "requires": {
-            "is-utf8": "0.2.1"
+            "is-utf8": "^0.2.0"
           }
         },
         "vinyl": {
@@ -4857,8 +4846,8 @@
           "integrity": "sha1-XIgDbPVl5d8FVYv8kR+GVt8hiIQ=",
           "dev": true,
           "requires": {
-            "clone": "1.0.3",
-            "clone-stats": "0.0.1",
+            "clone": "^1.0.0",
+            "clone-stats": "^0.0.1",
             "replace-ext": "0.0.1"
           }
         }
@@ -4870,14 +4859,14 @@
       "integrity": "sha1-mmhRzhysHBzqX+hsCTHWIMLPqeY=",
       "dev": true,
       "requires": {
-        "defaults": "1.0.3",
-        "glob-stream": "3.1.18",
-        "glob-watcher": "0.0.6",
-        "graceful-fs": "3.0.11",
-        "mkdirp": "0.5.1",
-        "strip-bom": "1.0.0",
-        "through2": "0.6.5",
-        "vinyl": "0.4.6"
+        "defaults": "^1.0.0",
+        "glob-stream": "^3.1.5",
+        "glob-watcher": "^0.0.6",
+        "graceful-fs": "^3.0.0",
+        "mkdirp": "^0.5.0",
+        "strip-bom": "^1.0.0",
+        "through2": "^0.6.1",
+        "vinyl": "^0.4.0"
       },
       "dependencies": {
         "clone": {
@@ -4892,10 +4881,10 @@
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
           "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.1",
             "isarray": "0.0.1",
-            "string_decoder": "0.10.31"
+            "string_decoder": "~0.10.x"
           }
         },
         "through2": {
@@ -4904,8 +4893,8 @@
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
           "requires": {
-            "readable-stream": "1.0.34",
-            "xtend": "4.0.1"
+            "readable-stream": ">=1.0.33-1 <1.1.0-0",
+            "xtend": ">=4.0.0 <4.1.0-0"
           }
         },
         "vinyl": {
@@ -4914,8 +4903,8 @@
           "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
           "dev": true,
           "requires": {
-            "clone": "0.2.0",
-            "clone-stats": "0.0.1"
+            "clone": "^0.2.0",
+            "clone-stats": "^0.0.1"
           }
         }
       }
@@ -4926,7 +4915,7 @@
       "integrity": "sha1-q2VJ1h0XLCsbh75cUI0jnI74dwU=",
       "dev": true,
       "requires": {
-        "source-map": "0.5.7"
+        "source-map": "^0.5.1"
       }
     },
     "which": {
@@ -4935,7 +4924,7 @@
       "integrity": "sha512-xcJpopdamTuY5duC/KnTTNBraPK54YwpenP4lzxU8H91GudWpFv38u0CKjclE1Wi2EH2EDz5LRcHcKbCIzqGyg==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -4950,8 +4939,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       },
       "dependencies": {
         "is-fullwidth-code-point": {
@@ -4960,7 +4949,7 @@
           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
           "requires": {
-            "number-is-nan": "1.0.1"
+            "number-is-nan": "^1.0.0"
           }
         },
         "string-width": {
@@ -4969,9 +4958,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         }
       }
@@ -5006,18 +4995,18 @@
       "integrity": "sha512-Rjp+lMYQOWtgqojx1dEWorjCofi1YN7AoFvYV7b1gx/7dAAeuI4kN5SZiEvr0ZmsZTOpDRcCqrpI10L31tFkBw==",
       "dev": true,
       "requires": {
-        "cliui": "4.0.0",
-        "decamelize": "1.2.0",
-        "find-up": "2.1.0",
-        "get-caller-file": "1.0.2",
-        "os-locale": "2.1.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "9.0.2"
+        "cliui": "^4.0.0",
+        "decamelize": "^1.1.1",
+        "find-up": "^2.1.0",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^2.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^9.0.2"
       }
     },
     "yargs-parser": {
@@ -5026,7 +5015,7 @@
       "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0"
+        "camelcase": "^4.1.0"
       }
     }
   }
diff --git a/package.json b/package.json
index c5c2c61..d5fd8c0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "particlesjs",
-  "version": "2.2.2",
+  "version": "2.2.3",
   "description": "A lightweight, dependency-free and responsive javascript plugin for particle backgrounds.",
   "main": "dist/particles.min.js",
   "repository": {
@@ -20,6 +20,10 @@
     "background",
     "responsive"
   ],
+  "scripts": {
+    "build": "node ./node_modules/gulp/bin/gulp build",
+    "build:watch": "node ./node_modules/gulp/bin/gulp build --watch"
+  },
   "devDependencies": {
     "gulp": "3.9.1",
     "gulp-clean": "0.4.0",
diff --git a/src/particles.js b/src/particles.js
index 5b81ec5..0f60e6b 100644
--- a/src/particles.js
+++ b/src/particles.js
@@ -2,7 +2,7 @@
  * A lightweight, dependency-free and responsive javascript plugin for particle backgrounds.
  *
  * @author Marc Bruederlin <hello@marcbruederlin.com>
- * @version 2.2.2
+ * @version 2.2.3
  * @license MIT
  * @see https://github.com/marcbruederlin/particles.js
  */
@@ -88,7 +88,7 @@ var Particles = (function(window, document) {
 
   /**
    * Public method to destroy the plugin.
-   * 
+   *
    * @public
    */
   Plugin.prototype.destroy = function() {
@@ -123,12 +123,12 @@ var Particles = (function(window, document) {
                         _.context.oBackingStorePixelRatio || _.context.backingStorePixelRatio || 1;
 
     _.ratio = devicePixelRatio / backingStoreRatio;
+    _.element.width = (_.element.offsetParent) ? _.element.offsetParent.clientWidth * _.ratio : _.element.clientWidth * _.ratio;
 
-    _.element.width = _.element.offsetParent.clientWidth * _.ratio;
-    if (_.element.offsetParent.nodeName === 'BODY') {
+    if (_.element.offsetParent && _.element.offsetParent.nodeName === 'BODY') {
       _.element.height = window.innerHeight * _.ratio;
     } else {
-      _.element.height = _.element.offsetParent.clientHeight * _.ratio;
+      _.element.height = (_.element.offsetParent) ? _.element.offsetParent.clientHeight * _.ratio : _.element.clientHeight * _.ratio;
     }
     _.element.style.width = '100%';
     _.element.style.height = '100%';
@@ -249,12 +249,12 @@ var Particles = (function(window, document) {
   Plugin.prototype._resize = function() {
     var _ = this;
 
-    _.element.width = _.element.offsetParent.clientWidth * _.ratio;
+    _.element.width = (_.element.offsetParent) ? _.element.offsetParent.clientWidth * _.ratio : _.element.clientWidth * _.ratio;
 
-    if (_.element.offsetParent.nodeName === 'BODY') {
+    if (_.element.offsetParent && _.element.offsetParent.nodeName === 'BODY') {
       _.element.height = window.innerHeight * _.ratio;
     } else {
-      _.element.height = _.element.offsetParent.clientHeight * _.ratio;
+      _.element.height = (_.element.offsetParent) ? _.element.offsetParent.clientHeight * _.ratio : _.element.clientHeight * _.ratio;
     }
 
     _.context.scale(_.ratio, _.ratio);
@@ -322,12 +322,12 @@ var Particles = (function(window, document) {
   Plugin.prototype._draw = function() {
     var _ = this,
         element = _.element,
-        parentWidth = element.offsetParent.clientWidth,
-        parentHeight = element.offsetParent.clientHeight,
+        parentWidth = (element.offsetParent) ? element.offsetParent.clientWidth : element.clientWidth,
+        parentHeight = (element.offsetParent) ? element.offsetParent.clientHeight :  element.clientHeight,
         showParticles = _.options.showParticles,
         storage = _.storage;
 
-    if (element.offsetParent.nodeName === 'BODY') {
+    if (element.offsetParent && element.offsetParent.nodeName === 'BODY') {
       parentHeight = window.innerHeight;
     }
 
@@ -336,7 +336,7 @@ var Particles = (function(window, document) {
 
     for(var i = storage.length; i--;) {
       var particle = storage[i];
-      
+
       if (showParticles) {
         particle._draw();
       }
@@ -459,12 +459,12 @@ var Particles = (function(window, document) {
     _.options = options;
 
     var canvas = document.querySelector(options.selector);
-    _.x = random() * canvas.offsetParent.clientWidth;
+    _.x = (canvas.offsetParent) ? random() * canvas.offsetParent.clientWidth : random() * canvas.clientWidth;
 
-    if (canvas.offsetParent.nodeName === 'BODY') {
+    if (canvas.offsetParent && canvas.offsetParent.nodeName === 'BODY') {
       _.y = random() * window.innerHeight;
     } else {
-      _.y = random() * canvas.offsetParent.clientHeight;
+      _.y = (canvas.offsetParent) ? random() * canvas.offsetParent.clientHeight : random() * canvas.clientHeight;
     }
 
     _.vx = random() * speed * 2 - speed;
@@ -502,7 +502,7 @@ var Particles = (function(window, document) {
    */
   Particle.prototype._updateCoordinates = function(parentWidth, parentHeight) {
     var _ = this,
-    
+
         x = _.x + this.vx,
         y = _.y + this.vy,
         radius = _.radius;
@@ -531,7 +531,7 @@ var Particles = (function(window, document) {
   window.requestAnimFrame = (function() {
     var _ = this,
     requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
-    
+
     if (requestAnimationFrame) {
       return requestAnimationFrame;
     }